| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 251129010 |
ELECTRICALLY ACTUATED VALVE
| 1112 |
| 251318000 |
RECIPROCATING VALVE
| 547 |
| 251304000 |
ROTARY VALVES
| 408 |
| 251012000 |
FLUID ACTUATED OR RETARDED
| 388 |
| 251356000 |
VALVE
| 343 |
| 251213000 |
MECHANICAL MOVEMENT ACTUATOR
| 338 |
| 251142000 |
WITH CORRELATED FLOW PATH
| 100 |
| 251065000 |
PERMANENT OR CONSTANTLY ENERGIZED MAGNET ACTUATOR
| 86 |
| 251157000 |
WITH MEANS TO INCREASE HEAD AND SEAT CONTACT PRESSURE
| 73 |
| 251118000 |
WITH MATERIAL GUIDE OR RESTRICTOR
| 72 |
| 251100100 |
BLOW-OUT PREVENTERS (I.E., COOPERATING SEGMENTS OF ANNULUS)
| 69 |
| 251089000 |
WITH MEANS FOR BLOCKING OR DISABLING ACTUATOR
| 62 |
| 251336000 |
BIASED VALVE
| 55 |
| 251004000 |
TUBE COMPRESSORS
| 50 |
| 251298000 |
PIVOTED VALVES
| 49 |
| 251011000 |
HEAT OR BUOYANCY MOTOR ACTUATED
| 49 |
| 251205000 |
WITH SELECTIVE FLOW REGULATION
| 38 |
| 251284000 |
LIMIT STOP
| 27 |
| 251066000 |
BIASED TRIP
| 21 |
| 251281000 |
BALANCED VALVES
| 20 |
| 251291000 |
DETACHABLE ACTUATOR
| 15 |
| 251335100 |
HERMETIC FLEXIBLE WALL SEAL FOR ACTUATOR
| 15 |
| 251212000 |
RELATIVELY MOVABLE VALVE ELEMENTS FORM SINGLE PORT CLOSURE (E.G., IRIS DIAPHRAGM)
| 14 |
| 251293000 |
EXTENSION FOR ACTUATOR
| 8 |
| 251077000 |
LOST MOTION BETWEEN ACTUATOR AND VALVE
| 7 |
| 251084000 |
VALVE HEAD MOVABLY CONNECTED FOR ACCOMMODATION TO SEAT
| 6 |
| 251341000 |
VALVE ACTUATOR IS VALVE CASING OR EXTENSION THEREOF | 5 |
| 20080302994 | Modular Rotary Union - A modular rotary union and method of fabricating the same. The modular rotary union includes a housing and a rotor. The rotor includes a shaft portion rotatably supported in an axial bore of the housing. The rotor further includes a head portion secured to one end of said shaft portion. The shaft portion is selected from a quantity of shafts of a predetermined size and of a predetermined number of ports machined from a first quantity of material. The head portion is selected from a quantity of heads of a predetermined type, size, number of ports and port type machined from a second quantity of material. | 12-11-2008 |
| 20140166919 | VALVE - Disclosed herein is a valve. The valve includes a first member having a first port therethrough, a second member in operable communication with the first member having a sealing surface thereon on an inner radial surface of the second member and a second port therethrough that is movable relative to the first member. The valve also has a seal sealingly engaged with the first member and slidably sealingly engagable with the second member, and a support member movably disposed relative to the first member and the second member. The support member has a support surface dimensioned similarly to the sealing surface, and is movable with the second member relative to the first member so that upon such movement the seal is continuously supported by at least one of the sealing surface and the support surface. | 06-19-2014 |
| 20120241661 | VALVE STRUCTURE FOR A MICROFLUIDIC CHANNEL - The invention relates to a valve structure for a microfluidic channel, where the valve serves the opening and closing of a channel ( | 09-27-2012 |
| 20110240901 | Coupling an actuator to a valve using a retaining element engaging in a recess - A device is described for mechanically coupling an actuator to a valve which is adjustable by a plunger that is displaceable along a z-axis. The device has (a) a retaining element which can be mounted on a connecting chassis of the actuator and which is embodied for engaging on two opposite sides of a connection piece of a valve body in a recess incorporated in the connection piece, and (b) a clamping device which is disposed on a section of the retaining element and which is embodied in such a way that when the clamping device is actuated the section of the retaining element is displaced parallel to the z-axis relative to the connecting chassis such that the connecting chassis bears against the connection piece. An actuator having a coupling device of said kind and a method for mechanically coupling an actuator to a valve are also described. | 10-06-2011 |
| 20130001458 | TANK DUMP VALVE - This invention relates to a dump valve for a liquid retaining tank having an outlet with a valve seat disposed over the outlet and a valve member displaceable between an open position spaced from the valve to release the liquid from the tank and a closed position for contacting the valve seat to seal the outlet, with an actuator to move the valve member between the open and closed positions. The valve member includes spaced upper and lower plates with deformable material there between to contact the valve seat. The upper plate also including stopper pins. | 01-03-2013 |
| 251355000 |
WITH ACTUATION LUBRICATING MEANS | 4 |
| 20100102264 | SHEAR VALVE APPARATUS AND METHODS TO IMPROVE LEAKAGE AND WEAR - A shear valve assembly includes a stationary valve manifold having a manifold planar surface containing a plurality of manifold input ports and one or more manifold output ports, a movable valve switch having a switch planar surface in slidable, interactive contact with the manifold planar surface forming an interactive contact junction, the switch planar surface having a fluid switching channel capable of connecting one of the plurality of manifold input ports with one of the one or more manifold output ports, a surface modifying component disposed at the interactive contact junction that provides a period of extended useful life of the manifold planar surface and the switch planar surface beyond the useful life of pre-lubricated interactive contact junction, a drive shaft connected to the valve switch, and a valve housing supporting the stationary valve manifold, the movable valve switch, and the drive shaft. | 04-29-2010 |
| 20110278489 | MOVABLE VALVE APPARATUS HAVING CONDITIONED LUBRICATING SURFACES - Movable valve apparatus having conditioned lubricating surfaces are described. An example valve includes a valve packing having a graphite packing ring disposed within a bonnet of the fluid valve and a stem or shaft has a conditioned surface to hold a lubricating material. The conditioned surface of the stem or shaft is disposed within the bonnet and moves the lubricating material relative to and in contact with the graphite packing ring during operation of the fluid valve. | 11-17-2011 |
| 20140097373 | MOVABLE VALVE APPARATUS HAVING CONDITIONED LUBRICATING SURFACES - Movable valve apparatus having conditioned lubricating surfaces are described. An example valve includes a valve packing having a graphite packing ring disposed within a bonnet of the fluid valve and a stem or shaft has a conditioned surface to hold a lubricating material. The conditioned surface of the stem or shaft is disposed within the bonnet and moves the lubricating material relative to and in contact with the graphite packing ring during operation of the fluid valve. | 04-10-2014 |
| 20140197348 | Method for Greasing the Mated Threads of a Threaded Connector and Related Device - A method for greasing the mated threads of a valve stem and a stem nut of a motor-operated valve without the need to actuate the valve and without the need for an internal grease path within the stem nut includes pressurizing one end of the thread interface defined by the mating threads with pressurized grease. A device for carrying out the method may include a thread lubricator that has a bore that receives the free end of the valve stem and an adapter nut that attaches the thread lubricator to the valve housing. Pressurized grease flows into the thread lubricator and to the one end of the tread interface. | 07-17-2014 |
| 251076000 |
IMPACT TYPE ACTUATOR | 3 |
| 20110127452 | Switching Valve and Method for Switching a Switching Valve - A switching valve includes a fluid housing, at least one switching element within the fluid housing, and an actuator outside the fluid housing, wherein the actuator is configured to cause a pulse-like transmission of force on the switching element by means of an impact-like force effect on the fluid housing, so as to move the switching element from a first position to a second position, the switching element in the first position defining a first fluidic state of a fluid path through the fluid housing, and the switching element in the second position defining a second fluidic state of a fluid path through the fluid housing, which second fluidic state differs from the first fluidic state. | 06-02-2011 |
| 20110175001 | GRAVITY DRIVEN VALVE SWITCH - A gravity driven valve switch includes an acted component, which defines an internal receiving space having a bottom forming a through hole; an acting component, which is received in the acted component; and a driving component, which is arranged below the acted component in a movable manner and forms at least one through hole. The acting component forms a coupling portion and the driving component forms a connection section that is received through the through hole of the acted component whereby the coupling portion and the connection section are engageable with each other to allow for easy coupling and separation of the acting component and the driving component and whereby the driving component provides a weight that, together with a gravitational force acting on the acting component, drives the acting component downward to precisely and tightly seal the through hole of the acted component. | 07-21-2011 |
| 20180023358 | DOWNHOLE ACTUATOR DEVICE, APPARATUS, SETTING TOOL AND METHODS OF USE | 01-25-2018 |
| 251064000 |
WITH NON-FLUID RETARDER | 3 |
| 20120205566 | THROTTLE VALVE DEVICE - A throttle valve device ideal for small, inexpensive implements is provided. The throttle valve device having a damping member for slowly closing a throttle valve. The throttle valve device ( | 08-16-2012 |
| 20120223261 | SWITCHING VALVE HAVING A VALVE ELEMENT MOVABLE IN A HOUSING - The invention provides a switching valve having a valve element which is movable in a housing, an actuating apparatus acting on the valve element in a first direction and a spring apparatus charging the valve element in a second direction. According to the invention, the first and second directions are in opposition and the spring apparatus has a progressive spring characteristic. | 09-06-2012 |
| 20140367595 | SOLENOID VALVE - A stator is located in a coil. A movable body is attracted toward the stator when the stator is magnetized by the coil. A valve element is movable integrally with the movable body to open and close a fluid passage when the coil is activated and de-activated. A regulating member is opposed to the movable body to regulate movement of the movable body. An elastic member is equipped to one of the regulating member and the movable body and is elastically deformable between the movable body and the regulating member when the movable body is attracted toward the stator. The elastic member is located at a position shifted in a radial direction relative to the regulating member or the movable body. The elastic member is in an asymmetrical shape relative to an axial rotational direction. | 12-18-2014 |
| 251339000 |
VALVE ACTUATOR EXTENDING THROUGH FLUID INLET OR OUTLET | 2 |
| 20090267013 | ROD ACTIVATED VALVE FOR SAVING WATER - An application for a rod activated water valve includes a valve base that mates with a standard water faucet. The top end has a ridge for capturing a washer. A valve housing attaches to the second end of the valve base, and has an inner diameter and an inward protruding lip at a bottom end. The valve includes a water flow chamber with a solid cylindrical outer surface and a substantially flat foraminous surface at one end. An aperture is located central to the flat foraminous surface and a top edge of the water flow chamber has a lip for holding an upper plate o-ring. A rod having a rod head at one end passes through the aperture and is held in place by the rod head. There is a valve stem for selectively blocking the flow of water from the water faucet to the water flow chamber, activated by the rod head and providing a gradual stopping of the flow of water, thereby reducing water hammer. | 10-29-2009 |
| 20110240900 | ROD ACTIVATED VALVE FOR SAVING WATER WITH TAMPER-RESISTANT SECURITY FEATURE - A rod activated water valve includes a valve base that mates with a standard water faucet. One end of the valve base attaches to a cylindrical valve housing which has an inward protruding lip, at least two key holes at a bottom end and an outer groove. A rod activated valve mechanism is housed within the cylindrical valve housing. A cylindrical outer sleeve is rotatably held onto the cylindrical valve housing by a C-shaped spring member and substantially covers the cylindrical valve housing thereby preventing removal of the cylindrical outer sleeve from the cylindrical valve housing and allowing free rotation of the cylindrical outer sleeve with respect to the cylindrical valve housing. A tool is required to be inserted into the key holes for installation and removal of the rod activated water valve with tamper-resistant security feature to/from a faucet. | 10-06-2011 |
| 251349000 |
VALVE ACTUATOR IS INLET OR OUTLET | 2 |
| 20090050836 | Connection device for quickly connecting pneumatic hose - A connecting device includes an inner tube having a plurality of elongate holes and a plurality of oval-shaped beads are movably engaged with the elongate holes. A plurality of openings are defined in an inner surface of the inner tube and communicate with the elongate holes respectively. A valve unit is movably located in the inner tube and includes a collar which removably closes the openings. An outer tube is movably mounted to an outer surface of the inner tube. An inlet member is connected to a first end of the inner tube. A part in short axis of each of the beads protrudes beyond the opening of the inner tube so as to provide a larger contact area with the head of hose when the head of hose is inserted into the inner tube to push the collar away from the openings. | 02-26-2009 |
| 20090194729 | DISCHARGE VALVE FOR DOWNHOLE PUMPS - A discharge valve comprising a valve body, a valve member, and a valve seat. The valve body has a first end; a second end; a central axis therebetween; an inlet formed through the first end; a flow channel extending from the inlet to the second end; a valve channel extending from the inlet and terminating within the valve body; and at least one discharge port extending from the valve channel to an outer surface of the valve body. The valve member is substantially-spherical and movably disposed within the valve channel. The valve seat is disposed adjacent the first end of the valve channel. The valve seat has an orifice defined therethrough The valve member is movable between a first position, engaging the valve seat to substantially seal the orifice, and a second position adjacent the second end of the valve channel to permit fluid to flow through the orifice. | 08-06-2009 |
| 251294000 |
FLEXIBLE ACTUATOR (E.G., BOWDEN WIRE; CHAIN) | 2 |
| 20120313024 | Compact reed valve - Compact reeds maximize flexural length by efficiently utilizing available space surrounding the port. Maximum length arms are disposed at the perimeter of the housing inlet port. Stresses at the ends of the arms are mitigated by utilizing compound radius transitions. The transitions are constructed by two or more arcs of different radii, which produce lower stresses at such junctures than if single radius transitions were used. The arms are disposed close to the reed sealing surface edge to orient the flow streamlines to be aligned with the arm width, thereby minimizing frontal drag area. The reduced frontal area reduces drag forces and related stresses on the arms, and reduces the overall flow related pressure drop across the reed. | 12-13-2012 |
| 20170234438 | FLUID CONTROLLER | 08-17-2017 |
| 251075000 |
WITH SNAP ACTION | 1 |
| 20150316166 | FLUID REGULATOR WITH FIELD CONVERTIBLE SLAM-SHUT DEVICE - A fluid regulator includes an actuator assembly and a body secured to the actuator assembly. The body defines an inlet, an outlet, and a fluid passage disposed between the inlet and the outlet and includes a first opening and a second opening. The first opening is dimensioned to receive a portion of a slam-shut device and is formed through a first side of the body between the inlet and the outlet. The second opening is dimensioned to receive a portion of the slam-shut device and is formed through a second side of the body, opposite the first side, between the inlet and the outlet. A slam-shut device is positioned at least partially within the first opening, extends into the body, and is secured to the body and a plate is positioned over the second opening and secured to the body. | 11-05-2015 |
| 251128000 |
WITH DETACHABLE ACTUATOR AND MEANS TO PREVENT LEAKAGE WHEN ACTUATOR IS DETACHED | 1 |
| 20140183385 | QUICK CONNECT VALVE ACTUATOR - An actuator for operating a linear valve, such as a gate valve, includes a quick connect coupling between the housing and at least one of a bonnet and a power head assembly. In embodiments, the quick connect coupling includes a plurality of lugs spaced apart around an annular actuator housing surface, and a plurality of lugs spaced apart around an annular surface of another member such as a bonnet or power head, each of the lugs defining a plurality of slots therebetween. The lugs pass through corresponding slots, and then the housing is rotated relative to the other member until at least a portion of the lugs of each component are axially aligned in a locked position. The rotation is less than one full revolution of the rotated component. A latch prevents the component from rotating out of the locked position. | 07-03-2014 |
| 251296000 |
PLURAL MOTIONS OF ACTUATOR | 1 |
| 20140034858 | VALVE ACTUATOR FOR ROTARY VALVE - A valve actuator for a rotary valve includes a piston and housing assembly, wherein axial movement of the piston along a bore of the housing causes an actuator rod to twist or rotate about an axis of the bore. The rotary motion of the actuator rod is caused in some arrangements by axial rotation of the piston along a helical housing wall and/or by axial rotation of a generally helical shape of the actuator rod engaged with a central opening through the piston. | 02-06-2014 |
| 251289000 |
VALVE ACTUABLE FROM PLURAL POSITIONS | 1 |
| 20100155642 | Offset Handle and Dual Connected Handle and Valves - A handle and a valve actuated by the handle. The handle includes first and second handle portions offset from one another in one or two directions and joined by a linking portion. Offset handle portions allow one handle portion to be aligned with the centerline of the valve, or to be placed on an opposite side of the valve from the other handle portion. | 06-24-2010 |
| 251340000 |
VALVE ACTUATOR SURROUNDING PIPE, INLET OR OUTLET | 1 |
| 20090173904 | Channeled Shaft Check Valve Assemblies - A channeled shaft check valve assembly includes a conduit with an internal valve seat with a central opening. An actuating member is contained inside the conduit between an outlet fixture and the valve seat. A valve member mounted within the sleeve includes a disc on the opposite side of the valve seat from the outlet end of the conduit and a channeled shaft extending outward from the center of the disc and through the central opening in the internal valve seat. The opposite end of the channeled shaft may also have a disc mounted thereto, allowing for a three position valve. The valve is urged closed under pressure unless an outlet fixture urges the valve open allowing fluid flow along the channeled shaft and through the central opening in the valve seat. In a two disc valve member, the valve may have two closed positions and one open position. | 07-09-2009 |
