| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 052184000 |
With additional building feature
| 18 |
| 052183000 |
Interconnected relatively movable components
| 16 |
| 052188000 |
Tread unit on horizontal tread member connected to riser
| 13 |
| 052187000 |
Helical type
| 6 |
| 052191000 |
Risers connected to common stringer | 5 |
| 20080229686 | Stringer and Step Support Kit for Stairways - The present staircases are constructed of modular stringers for the on-site Installation of the staircases in a residential, commercial or industrial setting. Kits for erecting the staircases will include matingly or cooperatively coupling step support units defining the staircase stringers, a set of steps adapted to be mounted thereon, as well as various finishing elements and modules to provide a finished look to the completed staircases. The staircases presented herein include self-supporting staircases, linear staircases, curling or spiralling staircases and adjustable variations thereof. Each kit is designed to provide an easy installation of the staircases while providing for the erection of solid finished staircases. | 09-25-2008 |
| 20090277105 | Stairway stringer and finished stairway skirt board - A stairway with a finished skirt/fascia board is formed using parallel stringers and tread/riser support brackets spaced and aligned along the stringers. The brackets are temporarily and pivotally attached to stringers and the stringers are moved parallel to and relative to each other to orient the stringers for the slope of the stairway. The pivotal attachment of the brackets to one of the stringers and the unattached stringer is moved into contact with the other stringer at mating faces. The brackets are them permanently attached to the parallel stringers. The mating faces of the stringers form a finished skirt/fascia board for the stairway. Several variations in contoured faces, including tongue and groove contours, for the mating surfaces provide for a smooth and clean looking skirt/fascia board on a finished stairway. | 11-12-2009 |
| 20090293385 | Boltless Metal Stair Step System for Indoor/Outdoor Staircase Installation - The invention is a boltless metal stair step system that provides a simple way to install an indoor/outdoor metal staircase. The result is a structurally sound, lightweight, fire retardant staircase that can ultimately be finished with various materials such as stone, brick, wood, etc. Ordinarily a staircase is constructed using wood, concrete, etc., and in most cases a skilled person is needed to repair or install a new staircase. This invention comes ready to assemble and no staircase building experience is necessary; and because of the unique interlocking or “snap in” connections and the minimal use of parts and screws, it eliminates the need for intricate measuring, cutting and special tools. Also, the specially designed “snap in” connections and the method of installing the steps makes the replacement of staircase parts simple and convenient. | 12-03-2009 |
| 20090308004 | STAIR STRINGER ASSEMBLY BENCH - A stair making apparatus is disclosed. The stair making apparatus comprising a bench adapted to support a plurality of members and a beam; a stop fixture connected to the bench, the stop fixture having a plurality of stops for individually engaging each of the plurality of members; and one or more fasteners connected with the bench, the one or more fasteners configured to cooperate with the plurality of stops to brace the beam and the plurality of members in a form of a stair stringer. | 12-17-2009 |
| 20110167740 | Method and Apparatus for Attaching a Rail Support Post to a Stair - A method and apparatus is disclosed for mounting a rail support post to the perimeter of a stairway having stingers at the edge of the stairway and treads, risers and possibly blocking laterally across the stairway. The apparatus includes a bracket member that is attached to or against the interior of a stringer and includes at least one hole for accommodating a fastener that passes through the stringer and into or through a post member at the outside surface of the stringer. The bracket includes flanges that attach to a rise or a tread and/or a block to secure the assembly together. | 07-14-2011 |
| 052189000 |
Precast stonelike component | 3 |
| 20090249714 | Precast concrete modular stairwell tower - A multi-story building is constructed by first erecting at least one modular stairwell tower on a concrete base pad. The tower includes a number of horizontally alternating precast concrete modular stairwell units arranged in a stack and corresponding to twice the number of floors in the building. Each stairwell unit includes a precast reinforced concrete tower section having opposite side walls and opposite end walls defining an open top and an open bottom and a height generally equal to one half the vertical distance between two adjacent floors. An inclined stairway and a horizontal landing platform are formed within each tower section and are rigidly connected to the walls. Anchor members are embedded in the base pad and in upper and lower portions of the walls of each tower section, and adjacent anchor members are connected by weld plates. Each stairwell unit has a handrail supported by the corresponding stairway. | 10-08-2009 |
| 20080263970 | ASSEMBLY AND METHOD FOR THE CONSTRUCTION OF MONOLITHIC TIERED CONCRETE SLABS - The assembly and method of the present invention is used for forming a monolithic tiered concrete slab or stairway. The assembly includes a plurality of foam blocks positioned adjacent one another and in a plurality of rows on a support base. The upper surfaces of the blocks are sloped and form a continuous included plane from the front row to the back row. Interface elements are attached to the upper surfaces so as to cover the joints between adjacent blocks. Riser ties are mounted on the interface elements, with riser face forms attached to the ties. After the blocks are positioned and the interface elements with riser ties and face forms assembled, concrete is poured under the blocks so as to cover the upper surface, the interface elements, and the ties, thereby forming a monolithic tiered series of risers and treads. | 10-30-2008 |
| 20170234014 | Modular Precast Concrete Steps | 08-17-2017 |
| Entries |
| Document | Title | Date |
|---|
| 20080196330 | Public Access Stair System - A public access stair assembly for use with a scaffold assembly and methods for assembling or installing such an assembly are disclosed. Advantageously, the stair assembly is connected in-line with the scaffold assembly to create an integrated public access stair system. The system and methods disclosed herein provide numerous benefits including, by way of example and not limitation, quick installation and dismantling. | 08-21-2008 |
| 20080229685 | Staircase protective step cover and or replacement step - A protective step cover that is both functional, decorative, and the versatility of protecting and or replacing the steps, rectangular in configuration, the top having a horizontal surface with grooves formed into the plastic for traction, the front and rear having a flat vertical surface, the bottom having a flat horizontal surface on each side of the parallel radius drip edges for eliminating moisture, with an open center section for detachably attached to said steps; and brackets, rectangular in configuration, the top having a flat horizontal supporting surface, the front and rear having a flat vertical surface, the bottom having a flat horizontal surface on each side of an open center section for allowing access, the sides having holes for attaching bolts through bracket to the supporting structure, for providing brackets for the protective step cover detachably attached to said brackets to replace the steps in their entirety. | 09-25-2008 |
| 20080244997 | Stairway stringer and finished stairway skirt board - A stairway with a finished skirt/fascia board is formed using parallel stringers and tread/riser support brackets spaced and aligned along the stringers. The brackets are temporarily and pivotally attached to stringers and the stringers are moved parallel to and relative to each other to orient the stringers for the slope of the stairway. The pivotal attachment of the brackets to one of the stringers and the unattached stringer is moved into contact with the other stringer at mating faces. The brackets are them permanently attached to the parallel stringers. The mating faces of the stringers form a finished skirt/fascia board for the stairway. Several variations in contoured faces, including tongue and groove contours, for the mating surfaces provide for a smooth and clean looking skirt/fascia board on a finished stairway. | 10-09-2008 |
| 20090031648 | DEMOUNTABLE SEATING AND METHOD FOR ERECTING A DEMOUNTABLE SEATING - Removable stand and method for constructing a removable stand. The method comprises constructing a support structure of posts and trusses that are positionable between the posts, and positioning a floor element on the support structure. Herein the floor element comprises a plurality of floor levels positioned behind each other and positioned at a distance in height and/or is the floor element, before it is positioned on the support structure, provided with at least one seat and/or bench and/or is floor element provided with connection means for connecting at least one seat and/or bench thereto. | 02-05-2009 |
| 20090139161 | Log staircase and a method of producing components for a log staircase - A log staircase is disclosed along with a method of producing components for the log staircase. The log staircase includes an elongated stringer capable of angularly extending from a lower level to an upper level. The stringer has an outer circumference with a notch formed therein. A protuberance extends upward from the notch. The log staircase also includes a tread having a semicircular periphery with a flat surface. An opening is formed in the semicircular periphery of the tread. The opening is designed to mate with the protuberance to retain the flat surface crossways to the stringer. The method includes cutting a number notches and protuberances in each of a pair of stringers, and cutting a pair of openings in a predetermined number of treads which are capable of mating with the protuberances to retain each of the treads crossways to the pair of stringers. | 06-04-2009 |
| 20090188182 | PANELS FOR USE IN STAIRCASES, GATES, FENCES AND BALCONIES AND THE METHOD OF MAKING PANELS THEREFORE - A method of making a barrier portion of ornamental staircases, balconies and fences is disclosed including the use of a cutting device to create a design panel from a sheet of material. The panels are cut from materials including steel, bronze, aluminum and other metals, alloys, plastics and wood by using cutting devices such as high energy lasers, water jets and routers guided by computer. The panels are cut to emulate wrought iron panels used in prior art staircase and balcony decorative elements without the problems of requiring a skilled installer to forge the elements and weld them together and then install the elements. The panels are pre-finished in factory and are easily assembled; useable in staircases having open and closed stringers such that they can be installed by the homeowner, meet required codes and have long lasting rust free characteristics at a low cost. | 07-30-2009 |
| 20100024327 | METHOD OF MANUFACTURING A STEPPED RISER, AN ELEMENT FOR FORMING INTO A STEPPED RISER AND A STEPPED RISER AND A MEMBER FOR CHANGING THE MECHANICAL DYNAMIC PERFORMANCE OF A STEPPED RISER - A method of manufacturing a stepped riser comprising providing a first sheet of metal with a layer of plastics or polymer material bonded to the metal with at least one indentation formed in the layer of plastics or polymer material thereby to allow bending of the sheet of metal along pre-determined lines substantially without inducing compression or tension through the thickness of the layer of plastics or polymer material. | 02-04-2010 |
| 20100132277 | Modular staircase system - A modular staircase system configured to form a curved staircase, support extremely heavy finishing materials, having higher design tolerances, and can be achieved at a relatively moderate cost. A plurality of stair modules are configured to secure to one another to form a complete staircase system, each which has an elaborate stringer of significant strength and moderate weight configurable to create floating staircases at an affordable cost. | 06-03-2010 |
| 20100218442 | DEEP-DRAWING DEVICE - The invention relates to a deep-drawing method and a corresponding deep-drawing device. The deep-drawing device has at least two projections ( | 09-02-2010 |
| 20100229478 | ADJUSTABLE STAIR RISER AND METHOD OF INSTALLING SAME - An adjustable stair riser includes a body portion made of a flexible material. An upper connecting portion is disposed adjacent to an upper end of the body portion. A lower connecting portion is disposed adjacent to a lower end of the body portion. A front surface of the body portion is concavely shaped between the upper and lower ends so as to create slack for moving the upper and lower ends toward or away from each other to accommodate spacing between adjacent treads of a stairway during installation. The concavely shaped front surface of the body portion additionally provides an obstruction free path of foot travel. | 09-16-2010 |
| 20100242383 | MODULAR ELEMENT FOR MAKING FIXED LADDERS - A modular element ( | 09-30-2010 |
| 20100281796 | STRUCTURAL MEMBER AND A STEPPED STRUCTURE - A structural member ( | 11-11-2010 |
| 20100319278 | Prefabricated staircase and finishing arrangement and installation method therefor - A staircase of skeletal form is prefabricated and is provided with prefabricated decorative cladding finishing plates for the treads, the risers and the stringer boards, the plates being pre-drilled for ease of assembly, a plurality of finishing plates can be preassembled, or factory assembled, together before installation over a portion of the prefabricated staircase, and the installation method thereof. | 12-23-2010 |
| 20110067328 | ARCHITECTURAL PAVEMENTS IN ELEVATED EXTERIOR DECK APPLICATIONS - A deck assembly uses plurality of joists preferably formed from metal located side by side and each having a web portion and a deck portion integrally formed with the web portion. The deck portion extends laterally from the web portion and the joists are spaced from one another such that the deck portions from a continuous deck surface with the joists being connected to one another. | 03-24-2011 |
| 20110271612 | STAIRWAY TREAD AND RISER ASSEMBLY - A stairway assembly includes a tread and riser panel attached together by a uniquely designed gusset to form a tread and riser assembly that can be integrally installed on the stringers. In one embodiment, a first portion of the gusset includes a first attachment structure connected to the lower surface of the tread, and a second portion of the gusset has a second attachment structure connected to the lower surface of the riser. The first portion of the gusset extends at an angle from the second portion, with the side edge of the riser overlapping and facing the upper surface of the tread, and said tread side edge faces said gusset. The gusset may include an elongated slot that forms a line of weakening in the gusset. The gusset may be bent about the line of weakening to move the tread and riser into the final position in which the tread is perpendicular to the riser. | 11-10-2011 |
| 20120011786 | STRUCTURAL STRINGER FOR STAIRWAYS - A stringer assembly for mounting to steps of a stairway, comprises first and second stringer members. The first stringer member are adapted to be secured to the steps with first fasteners that are driven through the first stringer member and then into the steps. The second stringer member is adapted to be positioned with respect to the first stringer member such as to conceal the first fastener and to be mounted thereto via second fasteners and glue, wherein the second fasteners are adapted to be driven through the first stringer member and then into the second stringer member. Decorative covers are provided for mounting onto exposed edges of the first and second stringer members. A method for assembling a stringer to steps of a stairway and a kit for producing a stringer assembly for use in stairways are also disclosed. | 01-19-2012 |
| 20120167494 | MODULAR STAIRCASE SYSTEMS - Modular staircases and staircase assemblies comprising components with notches that fit into and interweave with each other. Certain embodiments of modular staircases have at least two webs, wherein the perimeter of each web resembles a staircase with steps. The webs may be coupled together by a plurality of cross-beams. Each of the webs and the cross-beams may have notches that fit into and interweave with each other to form the basic structure of a staircase. The staircase may also be provided with cover pieces to cover the exposed webs and cross beams, and thus, to provide a surface for a user to sit or step on. Embodiments described herein are modular, in that they may be coupled together in various configurations and thus coupled to straight walls, curved walls, or any combination thereof. Additionally, embodiments described herein may be installed in either vinyl liner-type pools or concrete pools. | 07-05-2012 |
| 20120266550 | Architectural Pavements in Elevated Exterior Deck Applications - A deck assembly uses plurality of joists preferably formed from metal located side by side and each having a web portion and a deck portion integrally formed with the web portion. The deck portion extends laterally from the web portion and the joists are spaced from one another such that the deck portions from a continuous deck surface with the joists being connected to one another. | 10-25-2012 |
| 20130074429 | L-PROFILE SHAPED ELEMENT, THE USE OF SAME AND A METHOD FOR INSTALLING SAME - An L-profile shaped element is formed as a monolithic piece, and the L-profile shaped element includes a first and a second leg, wherein the legs are arranged to have substantially the same thicknesses, at least one edge of each leg is provided with joint parts functioning in the substantially same manner, and the element is turnable to a desired position. In addition, the invention relates to the use of the L-profile shaped element and to a method for installing L-profile shaped elements. | 03-28-2013 |
| 20130239496 | Stair System - A stair system ( | 09-19-2013 |
| 20130283711 | PRECISION BUILT STAIRCASE - A precision built staircase that includes a plurality of stringers that include a structural stringer, a decorative stringer and a winder stringer that are cut by a high precision machine, a universal skirt board, a plurality of risers with a pair of ends and a plurality of universal squares. The staircase also includes a plurality of winder treads wherein the stringers, the skirt board, the risers and the treads form a plurality of stairs, a recessed tread end cap, one or more cover joints and corner joints to cover a plurality of cuts, a decorative panel disposed on the back of staircase after the stairs are formed and a packaging box that stores a plurality of unassembled staircase components and that forms a cabinet or a closet when empty. | 10-31-2013 |
| 20140150358 | ANCHORING SYSTEM FOR SWIMMING POOL STAIRS - The invention provides a staircase arrangement for use within a swimming pool. The staircase arrangement comprises a staircase and at least one suction device. The staircase includes a set of stairs, a bottom-facing surface and a wall-facing surface. Each of the at least one suction devices comprises an attachment portion for attachment to at least one of the bottom-facing surface and the wall-facing surface of the staircase and a suction portion suitable for establishing a suction connection with an interior surface of the swimming pool so as to secure the staircase to the interior surface of the swimming pool. | 06-05-2014 |
| 20140260004 | POOL LINER RETAINER - A pool stair assembly includes step members having riser panels and tread panels, the step members joined together to form a multi-step structure. In illustrative embodiments, a spacer is located between a connection flange of a first step member and a riser panel of a second step member to form a channel therebetween, with one or more detents extending into the channel. A swimming pool liner includes locking tabs at predetermined locations that correspond to the channel, the locking tabs insertable into the channel to secure the liner to the step members. When the locking tab is inserted, a lip of the locking tab is compressed against the detent to move the locking tab past the detent when sufficient downward force is applied. The lip naturally biases back to its original position after passing the detent, preventing removal of the locking tab from the channel. | 09-18-2014 |
| 20140338274 | ANTI-SLIP STEP TREATMENT - A method for providing an anti-slip surface for a step comprising providing a thin thermoplastic material sheet matrix and a design appliqué of a contrasting material or materials, applying the matrix and the appliqué to a step and heat fusing the matrix to the step and the appliqué to the matrix, and an appliqué used in such a method. | 11-20-2014 |
| 20150082716 | PRECISION BUILT STAIRCASE - A precision built staircase kit is disclosed. The kit includes a plurality of stringers that include a structural stringer, a decorative stringer and a winder stringer that are cut by a high precision machine, a skirt board, a plurality of risers with a pair of ends and a plurality of squares. The staircase also includes a plurality of winder treads wherein the stringers, the skirt board, the risers and the treads form a plurality of stairs, a recessed tread end cap, one or more cover joints and corner joints to cover a plurality of cuts, a decorative panel disposed on the back of staircase after the stairs are formed and a packaging box that stores a plurality of unassembled staircase components and that forms a cabinet or a closet when empty. The staircase may be assembled from a kit with a method of assembling. | 03-26-2015 |
| 20150113890 | ATTIC STEP - A step for installation into an attic that is easily installed on the existing beams within a typical attic to provide a safer and easier means to maneuver within a home's attic space. The step is produced using a single piece of sheet metal. In addition, the step is installed into the attic by securing teeth on the bendable tabs of the step to the existing beams using a hammer with the optional use of additional fasteners. | 04-30-2015 |
| 20150292218 | POOL STAIR FORMS AND METHODS OF FORMING STAIRS - The disclosure provides for pool step forms and related methods for forming steps in a pool formed by wall panels. The step forms may include a wall panel insert configured for insertion between adjacent pool wall panels. The step forms may include one or more step form brace configured to couple with the wall panel insert and, thereby, the wall panels. The step forms may include riser forms that from riser portions of the stairs when the step forms and riser forms are coupled. The pool stair forms may be filled with filling material to form tread portions of the stairs. The pool stair forms may include liner support members coupled to the step form braces and/or the wall panels that facilitate the coupling of a liner to the stairs formed by the pool stair forms and filling material. | 10-15-2015 |
| 20160002931 | Stair Modules Which Co Operate to Form a Temporary Stair Case - A stair assembly comprising at least two stair modules with each connected to an adjacent module; the stair assembly comprising a first module having first and second side abutments and spanning therebetween a stair tread. There is at least one other abutment surface associated with said first and second side abutments and which provides a bearing surface to receive and retain an adjacent stair module. The second module includes a stair tread which when disposed adjacent the first module is disposed in an us elevated position relative to the stair tread of the first module, wherein the first and second stair module are interconnected via an auxiliary module. | 01-07-2016 |
| 20160010338 | STAIR ELEMENT AND METHOD FOR CLADDING THEREOF | 01-14-2016 |
