| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 220216000 | Floating closure | 31 |
| 20080314901 | METHOD OF SECURING ELONGATED OBJECTS TO A FLOATING COVER - A method of securing elongated objects, such as weights or floats to a floating cover. A first step involves providing a sheet form substrate. A second step involves forming elongated retention pockets on the substrate. A third step involves inserting elongated objects into the elongated retention pockets. This method allows thinner lower cost substrates to be used, while still facilitating secure attachment of weights or floats. | 12-25-2008 |
| 20090223957 | Welded full contact floating roof and method - A sealed floating roof for a storage tank, comprising a frame and roof panels, in which the frame provides a guide for directing an automatic welder along said structure to allow for automated welding of the roof panels to the frame, and a method of forming such a roof. | 09-10-2009 |
| 20090283524 | Blood components separator disk - A separator disk for use in centrifugal separation of components is designed to automatically position itself during separation at the interface between the supernatant and the remaining components. Preferably the interface is between plasma and red blood cells. | 11-19-2009 |
| 20120211490 | FLOATING COVER ROOF FOR A STORAGE TANK - A floating cover roof for a storage tank has a frame assembly and multiple floating units. The frame assembly has a holding frame and an outer rim. The holding frame has multiple longitudinal beams and transverse beams. Each longitudinal beam has a connecting seat, a first holding segment and a second holding segment. Two of the transverse beams are connected to two adjacent longitudinal beams to form a locating area between the beams. The floating units are mounted in the locating areas of the frame assembly, are connected to the beams of the holding frame and each has an outer casing and a body. The outer casing is mounted in one of the locating areas of the holding frame, is connected to the adjacent beams and has a casing body and a top board. The body is mounted in the outer casing between the casing body and the top board. | 08-23-2012 |
| 20120211491 | OIL TANK FLOATING ROOF DEVICE - The present invention is an oil tank floating roof device, including a plurality of connecting bars and a plurality of floating units, which are respectively secured to the plurality of connecting bars by means a plurality of longitudinal and crosswise holding spaces collectively encircling the floating units. A plurality of locking members are fitted on the peripheries of the floating units, and two sides of the connecting bars respectively form at least one joining groove. The joining grooves respectively enable each of the floating units to longitudinally or crosswisely insert therein. The top portions of the connecting bars form at least one pressure resistant reinforcing plate, and the pressure resistant reinforcing plate is fitted with a plurality of locking portions. Bolts are used to respectively correspondingly pass through the locking portions and bolt into the locking members on the longitudinal or crosswise sides of the base of the floating units. | 08-23-2012 |
| 20130284740 | WELDED FULL CONTACT FLOATING ROOF AND METHOD - A sealed floating roof for a storage tank, comprising a frame and roof panels, in which the frame provides a guide for directing an automatic welder along said structure to allow for automated welding of the roof panels to the frame, and a method of forming such a roof. | 10-31-2013 |
| 20130284741 | FLOATING BODY - A floating body which is accommodated in a float chamber of a floating roof of a floating roof-type tank includes a main body made of a metal in which an opening is formed in at least one location and which has an internal space, and a lid made of a metal which covers the opening and has an edge portion attached to the opening by a seaming. Between the opening and the edge portion, a first gap which allows a communication between an external space and the internal space of the main body, and permits a movement of an approach and separation between the main body and the lid is provided, and a first contact portion which blocks the first gap when the lid is closest to the main body is provided. | 10-31-2013 |
| 20130327773 | Internal Floating Roof for Covering Fluid Bodies in Storage Tanks - An internal floating roof for use in large volatile or hazardous liquid storage tanks constructed of a plurality of open-top panel systems including C-shaped sidewalls having flanges extending inward along the top and bottom of the sidewall and another flange extending downward from the bottom. The panel systems are secured together using top and bottom bracket means to construct a rigid, non-flexing roof structure to contain the hazardous gases and vapors beneath the floating roof. | 12-12-2013 |
| 20140027455 | Non-Entry Tank Cleaning - A method for removing sludge from a crude oil storage tank comprising a bottom and a moveable roof configured to float on the top of a quantity of crude oil disposed in said storage tank, where the method includes reducing a volume of crude oil in the storage tank to about a level of a sludge sediment in the storage tank, measuring a topology of the sludge disposed on said bottom, reliquefying asphaltene deposits, pumping the reliquefying asphaltene deposits out of the storage tank, wherein the method is performed without the entry of one or more persons into said storage tank. | 01-30-2014 |
| 20140103042 | LIQUID STORAGE, ISOLATION AND DISPENSING ASSEMBLY - A liquid storage, isolation and dispensing assembly includes a container, which defines an axis and has an inner surface, top and float. The top is mountable to the upper end with a sealing element engaging the inner surface at a liquid sealing position. The open upper end is least partially unobstructed when the top is at the liquid pouring position. The float includes a top portion, a bottom portion and a sealing edge sized to create a minimal gap between the sealing edge and the interior surface when floating on the liquid surface with the axis generally vertical. Tilting the container creates a gap between the float and the inner surface permitting the liquid to pass the sealing edge and out of the open upper end. | 04-17-2014 |
| 20140231431 | Internal Floating Roof for Covering Fluid Bodies in Storage Tanks - An internal floating roof for use in large volatile or hazardous liquid storage tanks constructed of a plurality of open-top panel systems including C-shaped beams each having a vertical sidewall and flanges extending inward along the top and bottom of the beams with a bottom flange extending the vertical wall downward beyond the bottom. The panel systems are secured together using top and bottom brackets to construct a rigid, non-flexing roof structure to contain the hazardous gases and vapors beneath the floating roof without creating alternative escape pathways along the respective joints or seams between the panel systems. An additional seal in the form of a weld or resilient sealing member may be used along the joint between adjacent beams to further secure against leaking. | 08-21-2014 |
| 20150129590 | Cover Systems With Fusion Welds - A cover system for a storage pond formed using a liner is disclosed. A cover flap, a liner flap and an anchor flap are preassembled either off-site at a factory or on-site. The anchor flap is disposed in an anchor trench and the anchor trench is backfilled. The liner is deployed and the perimeter is welded to the liner flap. The cover is deployed and the perimeter is welded to the cover flap. The above welding is preferably fusion welding and could take place in any order. | 05-14-2015 |
| 20150129591 | FLOATING COVER - A floating cover for covering a liquid storage comprises an inflatable bladder kept under continuous positive gas pressure. A preferred embodiment has a plurality of discrete inflatable bladder segments positioned on a common plane in abutting relation to form an inflatable bladder assembly. A gas communication conduit extends between the bladder segments for communication of positive gas pressure between the bladder segments. | 05-14-2015 |
| 20160101932 | CHEMICAL RESISTANT EVAPORATION CONTROL STRUCTURES - The invention relates to chemically resistant structures that float on top of a liquid to reduce the level of evaporation from the liquid. The liquid could be in a small container or vat, or in a larger pool, pond, or reservoir. The structure is preferably a foamed material of a polyamide or fluoropolymer, or may be a hollow or foamed structure having a polyamide or fluoropolymer outer layer. The structures covering the liquid may consist of a single structure or two or more discrete structures that partially or fully cover the surface of a liquid. The covering is especially useful where the fluid contains toxic, reactive or corrosive substances. One preferred structure is a polyvinylidene fluoride foam structure (such as a KYNAR from Arkema Inc) at about 0.1-36 inches in length/diameter. | 04-14-2016 |
| 220217000 | With liquid gasket | 1 |
| 20090206081 | System and Method for Inhibiting Vaporization from Liquids - A liquid tank such as a liquid fuel tank, as well as a method of operating such a tank and a structure for implementation in such a tank, are disclosed. In at least one embodiment, the liquid tank is a liquid fuel tank that includes a housing have an inner chamber capable of containing liquid fuel as well as an air space above an upper surface of the liquid fuel, and a floating member included within the inner chamber, where the floating member is configured to float proximate the upper surface of the liquid fuel when the liquid fuel is present within the inner chamber. The floating member includes at least one tapered surface, and the floating member covers a majority of the upper surface of the liquid fuel, whereby the liquid fuel evaporates to a lesser degree than would occur if the floating member was absent. | 08-20-2009 |
| 220218000 | Sectional, relatively moveable | 4 |
| 20140166653 | SYSTEM FOR SECURING COVERS WITHIN TANKS - A system for covering liquids stored within an open-topped liquid storage tank having a peripheral wall has a cover for extending across at least a portion of stored liquids, and two or more guide assemblies spaced about the peripheral wall for securing the cover to the peripheral wall and for permitting the cover to freely travel substantially vertically up and down within the interior space. Each assembly has a vertical guide, a clamping member, and an upper and a lower delimiting stop. The cover can be operatively secured to the assembly by a restraining tether. | 06-19-2014 |
| 20150060447 | Buoyant Liquid Cover Members - Systems and methods for covering the surface of a body of liquid, including a plurality of buoyant members, each having the shape of a rhombic dodecahedron including twelve identical quadrilateral faces, configured to float on the surface of the body of liquid and to substantially cover the surface of the body of liquid. The plurality of buoyant members naturally align when floating on the surface of the body of liquid with a quadrilateral face of a rhombic dodecahedron abutting a quadrilateral face of an adjacent rhombic dodecahedron and the plurality of buoyant members form a closely packed floating arrangement of face-to-face abutting rhombic dodecahedrons that substantially covers the surface of the body of liquid. | 03-05-2015 |
| 20150076150 | INSULATING TANK COVER - An insulative cover for large tanks containing a fluid. The insulative cover utilizes rectangular panels to cover a majority of the fluid surface and trapezoidal or wedge shaped panels to form a ring around the rectangular panels. Each panel utilizes a locking rim to allow the panels to interlock when installed. In this way the rectangular panels cover the main surface but leaves spaces where the rectangular panels do not match with the curvature of the tank. These spaces are covered by the trapezoidal panels. | 03-19-2015 |
| 20160096661 | EXPANDABLE FLUID PRESERVATION SYSTEM AND METHOD FOR USE - A fluid preservation device, for preserving a liquid within a container, which includes an elongated member with a proximal end and a distal end and an inner shaft and an outer shaft. The outer shaft and inner shaft are attached to an expandable sealing member. The expandable sealing member has an expanded state and a collapsed state and a state change mechanism attached to the proximal end of the elongated member to change the state of the expandable sealing member between the expanded state and the collapsed state. When the expandable sealing member is in the collapsed state, it can pass through an opening of a container and when the expandable sealing member is in the expanded state it is big enough to contact the inner surface of the container near the surface of the liquid. | 04-07-2016 |
| 220219000 | With surface water receiver (e.g., drain) | 3 |
| 20100258561 | Storage tank with floating roof emergency draining system and spherical rotor fume sealing valve - A combination liquid petroleum storage tank and emergency drainage system for draining rain water accumulated on the roof of the storage tank, including:
| 10-14-2010 |
| 20120152950 | BUOYANT PLUG FOR EMERGENCY DRAIN IN FLOATING ROOF TANK - A floating plug emergency drain valve for a floating roof used with a storage tank for volatile fluid, where the floating roof includes vertically spaced apart top and bottom surfaces and a duct having open top and bottom ends that extends through the roof for drainage through the roof of water accumulated atop the roof, the valve having an open state for allowing the accumulated water to drain downward through the duct and a closed state for blocking vapors from rising upward through the duct, the valve including:
| 06-21-2012 |
| 20130153573 | STORAGE TANK FLOATING ROOF SUMP WITH EMERGENCY OVERFLOW - A floating roof and emergency overflow drainage system for water accumulated on the floating roof covering liquid in a storage tank, including: | 06-20-2013 |
| 220220000 | With support for aground closure | 1 |
| 20120091135 | FLOATING ROOF SUPPORT LEGS WITH VAPOR SEALS - A support column assembly for supporting a floating roof used with a storage tank for containing a volatile fluid, including:
| 04-19-2012 |
| 220221000 | With gasket means intermediate closure rim and receptacle | 5 |
| 220222000 | Attached to closure | 5 |
| 20090321447 | VERTICAL ROUND CONTAINER FOR STORING LIQUIDS, AND ARRANGEMENT COMPRISING A PLURALITY OF CONTAINERS - A vertical round container ( | 12-31-2009 |
| 20140190967 | SYSTEMS AND METHODS FOR REDUCING VAPOR EMISSION FROM FLOATING ROOF STORAGE VESSELS - Floating roof storage vessels including a vapor emission reduction system designed to be inserted into deck leg apertures, when the legs have been removed during hydrocarbon storage. | 07-10-2014 |
| 220224000 | Mechanical means urges gasket towards receptacle | 3 |
| 20090266817 | Method And Apparatus For Abating Fugitive Emissions From A Volatile Liquid Storage Tank - A fugitive emissions abatement system for use a storage tank | 10-29-2009 |
| 20140091091 | RIM SPACE SEAL SYSTEM FOR USE WITH INTERNAL FLOATING ROOF - A rim seal system between the outer periphery of an internal floating roof and the bulk liquid tank wall including a laterally deployed first resilient or flexible seal member and a second laterally deployed rigid seal member interposed between the distal end of the first seal member and the tank wall where the rigid seal member provides protection from abrasion of the resilient or flexible seal member by frictional contact with the tank wall. An outwardly expanding hanger assembly mounted above the seal system maintains the rigid seal member in contact with the tank wall. | 04-03-2014 |
| 20160031637 | Floating Roof Seal - Various implementations described herein are directed to a floating roof seal. In one implementation, a seal assembly for use in a storage tank may include a shoe seal configured to engage with a floating roof disposed in the storage tank and configured to be positioned in a rim space of the storage tank, the shoe seal having a shoe plate configured to slidably engage an inner diameter of the storage tank. The seal assembly may also include a liquid-mounted seal coupled to the shoe plate and configured to be disposed between the shoe plate and the floating roof, where the shoe plate is configured to shield the liquid-mounted seal from the inner diameter of the storage tank. | 02-04-2016 |
| 220227000 | With vent means | 3 |
| 20100072203 | Fuel cutoff valve - In a fuel cutoff valve | 03-25-2010 |
| 20120024853 | FUEL TANK VALVE DEVICE AND FUEL TANK VENTILATION DEVICE - A fuel tank valve device equipped with a casing, and a valve mechanism. The valve mechanism has a first valve unit having a first valve connecting hole, and a second valve unit that opens and closes the first valve connecting hole. The first valve unit completely closes the valve flow path by moving by the force in the valve closing direction when the pressure of the second communication path exceeds a preset first pressure value. In a state when the first valve unit is closing the valve flow path, when the pressure of the second communication path exceeds a preset second pressure value that is greater than the first pressure value, the second valve unit receives the pressure from the first valve connecting hole and moves to open the first valve connecting hole, communicating with the valve flow path. | 02-02-2012 |
| 20150321807 | Storage Container - A storage device ( | 11-12-2015 |
