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| Number | Title | Issue Date |
| 6089543 | Two-piece slit valve door with molded-in-place seal for a vacuum processing system A vacuum processing system may have a two-piece slit valve door, including a seal plate mounted on a mounting member, for closing the slit valve in a vacuum chamber. The seal plate, the piece that actually contacts the slit valve, may have a molded-in-pla... | 07/18/2000 |
| 6056270 | Valve gasket formed of composite materials and process A valve gasket includes a main body portion formed of an elastomeric material having a high hardness durometer. The main body portion has recesses located on its opposite sides and at least one opening through the body connecting the recesses. The opposed... | 05/02/2000 |
| 6017016 | Flapper valve A bimorph piezoelectric flapper element is mounted at one end in a valve casing so that it extends into a valve chamber as a cantilever. The flapper element tapers to the unsupported end on which a fluorosilicone blocking plate is mounted. An outlet port ... | 01/25/2000 |
| 6007049 | High pressure gas valve having an inverted stem/seat design and a soft seated removable stem cartridge An improved shutoff valve has an inverted stem/seat design with a removable cartridge including a stem designed to include a high performance polymer tip for use with a compressed fluid cylinder. The high performance polymer tip reduces the likelihood of ... | 12/28/1999 |
| 5996966 | Snap-on valve gasket A sanitary valve assembly including a valve with a field replaceable gasket. The gasket is formed with an opening capable of deformation to a shape which deforms sufficiently to slide over a noncircular retaining surface of the valve head. The valve head ... | 12/07/1999 |
| 5984268 | Sealing member and a valve closure member incorporating same A sealing member 10 for a valve 12 includes a body 14 defining a cavity 16 and, a resiliently deformable membrane 18 extending across a lower end 20 of the body 14. The membrane 18 is provided with an aperture 22 through which fluid can flow to enter the ... | 11/16/1999 |
| 5967181 | Pressure regulator for watering system A pressure regulator for a drinking system for birds or other animals that includes a housing and first and second engaging members for engaging the elongated supports for the fluid supply conduit of the drinking system. The first engaging member includes... | 10/19/1999 |
| 5941266 | Angle entry rotary valve Straight line flow rotary valves with the valve member flow passage (21) turned away from the pipeline flow axis (22), to dispose the valve internals to an access port (50) located downstream on the same flow axis of the valve member (11). Another embodim... | 08/24/1999 |
| 5901749 | Three-way poppet valve A high pressure poppet valve having a valve body defining inlet, outlet and vent passages, and with a valve cage in sealed relation within the valve body which defines an internal seat projection having spaced circular seat shoulders. A seal carrier, whic... | 05/11/1999 |
| 5890513 | Non-wearing washer for fluid valve A non-wearing washer for fluid valve is non-fixedly mounted between washer retainer means disposed at a bottom end of a valve stem and the valve seat. The washer is retained in its operative position by configuring its top end to non-fixedly engage the wa... | 04/06/1999 |
| 5839716 | Device for transferring liquid under simple or accelerated gravity by means of a valve Device for transferring liquid under simple or accelerated gravity of a tubular-type stopper device equipped with an external thread having the same diameter and pitch as the internal screw thread of a tapped drain hole of a container. The tubular-type st... | 11/24/1998 |
| 5826618 | Bonded elastomer seal valve assembly A valve for regulating a flow of pressurized gas in a torch includes a valve body having a central bore and a connected outlet bore for passage of gas from a source to a torch tube. A valve needle is disposed in the central bore and is movable to open and... | 10/27/1998 |
| 5746198 | Valve for a first stage regulator having an encapsulated head A movable valve member is disposed within a first stage regulator within a regulator body for receipt of pressurized gas. The movable valve member is formed of a metal having an enlarged head and an attached stem with a shoulder integral with the stem adj... | 05/05/1998 |
| 5655752 | System with imperviousness joint compressed between two non-parallel bearings Imperviousness system composed of a metallic toric joint (9) compressed between two bearings (27, 28) which together form an acute angle () so as to produce a sliding and polishing of the skin of the joint and reduce the local levellings which woul... | 08/12/1997 |
| 5603485 | Valve plate for a thermostatic valve A valve plate in the form of a sheet metal preform is disclosed for a thermostatic valve. The preform includes an edge with a surrounding ring groove accommodating a rectangular cross section sealing ring. An exterior wall defining the ring groove is bent... | 02/18/1997 |
| 5562116 | Angle entry rotary valve Straight line flow rotary valves with the valve member flow passage (21) turned away from the pipeline flow axis (22), to dispose the valve internals to an access port (50) located downstream on the same flow axis of the valve member (11 ). Another embodi... | 10/08/1996 |
| 5549278 | Parallel-slide gate valve A parallel-slide gate valve with a sealing liner in two parts, comprises a semicircular lower housing part which can also be used as a mounting segment (30), and an upper housing part (31). The sealing liner (5) is also in two parts, wherein a transverse ... | 08/27/1996 |
| 5540413 | Aircraft pressure-fueling nozzle Described is a set of improvements and added features to the commercial article a nozzle to connect a pressurized fuel carrying hose to a standardized aircraft fueling adapter. The adapter has a spring loaded poppet located centrally in its entrance openi... | 07/30/1996 |
| 5505225 | Valve assembly A valve assembly 30 includes a pressure balancer 38 and a water mixing control element 150. Hot and cold water flow through pressure balancer 38 and a throttle plate 200 and into a mixing chamber 144 where selected amounts of the hot and cold water are mi... | 04/09/1996 |
| 5413096 | Regulator with improved high pressure seat due to a plastic-covered valve body The invention disclosed herein comprises a self-contained breathing apparatus regulator having a valve seat for overlying the crown of an orifice wherein high pressure gas is regulated by said valve seat into said orifice. The valve seat has a valve seat ... | 05/09/1995 |
| 5393034 | Air shutoff valve for a hopper gun Disclosed is a new air shutoff valve for a hopper gun for on/off control of inlet air synchronized to existing on/off control of texture coating mixture. The air shutoff valve comprises a tubular valve stem disposed within the air stem of the hopper gun. ... | 02/28/1995 |
| 5385334 | Fluid flow valve In a preferred embodiment, in a fluid flow valve having a body and having a movable member with lower face, the movable member being movable between a position spaced from a sealing position in the body when the valve is in an open position and movable to... | 01/31/1995 |
| 5379984 | Gate valve for vacuum processing system A vacuum gate valve includes a valve body having an opening therethrough and a valve seat surrounding the opening, and a swing gate assembly rotatable about a pivot axis between an open position and a closed position. The swing gate assembly includes a sw... | 01/10/1995 |
| 5350090 | Beverage dispenser A dispenser for use with a pressurizable fluid container. The dispenser comprises a head removably connectable with the container. The head includes an inlet, an outlet, a valve seat, a cavity and a chamber for fluid communication between the inlet and ou... | 09/27/1994 |
| 5273071 | Dry disconnect couplings A dry disconnect coupling comprises an adapter connected to a liquid conduit and a coupler connected to another liquid conduit. The adapter and coupler each have poppets which seal passageway outlets thereof when they are disconnected. When connected, mea... | 12/28/1993 |
| 5263514 | Boom control valve A control valve assembly designed to allow operation with minimum power requirements and a rapid response to a "shut off" command. The assembly includes a pair of seal elements which operate in tandem. When the valve is open, fluid passes through a series... | 11/23/1993 |
| 5242148 | Upper valve part An axially movable valve piston (3) and a rotatable spindle (2), which are connected with one another via a thread (24; 32), are guided in a headpiece (1). A sealing ring (5), which projects beyond the end face of the headpiece (1) facing the suppy duct, ... | 09/07/1993 |
| 5219149 | Valves for fluid passage A valve for fluids with arrangements of O-rings on the mantle (lateral surface) of the valve stem, which permit the utilization of a variety of geometrical shapes of revolution for the design of the stem. This invention makes possible the reduction of the... | 06/15/1993 |
| 5181492 | Shaft-rotated throttle disk A shaft-rotated throttle disk for use in the intake pipe of an internal combustion engine. The shaft is solid and the disk comprises a body (2) of material around it. The throttle disk offers little resistance to the flowing mixture and allows precise adj... | 01/26/1993 |
| 5152504 | Vacuum valve A vacuum valve that forms a tight vacuum seal is disclosed. The valve incorporates a hollow, malleable, metallic O-ring that deforms and conforms readily under pressure to seal the space between a movable valve member and a valve seat. When the valve is c... | 10/06/1992 |
| 5104093 | Fuel control device, valve member therefor and methods of making the same A fuel control device, valve member therefor and methods of making the same are provided, the valve member comprising a rigid tubular part carrying a resilient polymeric part and having opposed ends one of which has an opening therethrough for receiving p... | 04/14/1992 |
| 5081972 | Engine throttle blade sealing The throttle blade is made to have a resilient outer margin whose outside diameter is circular and essentially equal to the diameter of the throttle bore within which the blade is disposed. The blade can maintain control even at engine idle. Several embod... | 01/21/1992 |
| 5036894 | Material handling system An intermediate bulk container (I.B.C.) system for handling a flowable material such as a pharmaceutical powder comprises, a discharge station, a transportable station for holding and transporting the powder, and a seal arrangement of the two stations, th... | 08/06/1991 |
| 5035214 | Engine throttle blade sealing The throttle blade is made to have a resilient outer margin whose outside diameter is circular and essentially equal to the diameter of the throttle bore within which the blade is disposed. The blade can maintain control even at engine idle. Several embod... | 07/30/1991 |
| 5013009 | Top entry valve A cryogenic gate valve having a body with a full passage formed therein. A gate has opposed faces at an acute angle with a recess formed in one face of the gate. The recess receives a sealing means that is comprised of a sealing ring having a base flange ... | 05/07/1991 |
| 5000291 | Lubrication nozzle A lubrication nozzle has a body with a piston cavity formed therein. One end of the cavity is closed by an adjusting cap attached to a spring biased piston. The opposite end of the piston cavity has an orifice closed by a conical tip on the piston. Lubric... | 03/19/1991 |
| 4993451 | Valve for gas cylinders The valve is intended to contain a given residual pressure in the cylinder and is mounted in the cylindrical bore (16) of a connection piece (14) designed to be connected either to a circuit for using the gas, or to a circuit for filling or rinsing the cy... | 02/19/1991 |
| 4970484 | Composite elastomer-tipped tubular metallic device for armature and needle valve applications A composite elastomer-tipped tubular metallic device for armature and check valve applications has a hollow tubular metal body and a generally spherical elastomer ball fitted into an end of the body so as to project outwardly beyond the body end. Also, th... | 11/13/1990 |
| 4964432 | Method and means for mounting valve member on valve stem A method and means for removably connecting a valve member (62, 62A) on a valve stem (46, 46A) for movement between open and closed positions relative to a valve seat (24, 24A). The removable connection includes a split frustoconical connector (76, 76A) f... | 10/23/1990 |
| 4962819 | Mud saver valve with replaceable inner sleeve A mud saver valve for insertion within the drill string to retain mud in the drill pipe and prevent the mud column from flowing past the valve when pumping is interrupted. The valve body has a tubular body and a piston having an axial passage for the flow... | 10/16/1990 |
