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| Number | Title | Issue Date |
| 7398955 | Gripping valve seat The valve seat of the present invention is configured for attachment to the valve housing after the valve housing has been coated with a protective coating. The valve seat is configured to grip the valve housing, thereby providing a secure attachment. In its simples... | 07/15/2008 |
| 7353842 | Air fitting with an integral check valve An air fitting with an integral check valve includes a housing having an inlet and at least one outlet, a passage extending between the inlet and the at least one outlet with a valve seat being formed in the passage adjacent the at least one outlet with a portion be... | 04/08/2008 |
| 7347206 | Control group of a second-stage regulator for scuba divers A group for controlling a second-stage regulator for scuba divers. The regulator comprises a regulator body with an inlet conduit for connection to a first-stage regulator which supplies a breathable gaseous mixture at a constant pressure and an outlet conduit for c... | 03/25/2008 |
| 7275530 | Paintball gun A removable air bleed assembly for use with between a paintball gun and an auxiliary system includes a pin having an elongated pin channel extending through a majority of the pin to bleed pressurized air from the paintball gun. An air conduit is coupled between and ... | 10/02/2007 |
| 7231912 | Valve for air tank A valve, possibly for use in a paintball marker, has a longer threaded portion that insures a canister that engages the valve must undergo many twists to become unscrewed from the valve. Alternatively, the valve has an elongated threaded portion with gas bleed chann... | 06/19/2007 |
| 7201363 | Valve A valve body (12) has an inlet opening (22) and an outlet opening (24) interconnected by a fluid passageway (28, 30) having a flow aperture (34). The valve comprises a diaphragm (14) (typically of the duckbill type) that is ... | 04/10/2007 |
| 7175158 | Tub valve having versatile mounting structure A valve assembly for installation into deck-mounted tubs includes a valve body, a top plate that engages with the valve body, a bottom plate, and an adjustment member that bears against the valve body and engages with the bottom plate. The adjustment member is acces... | 02/13/2007 |
| 7168678 | Needle valve construction A valve including a valve body, the valve body providing an inlet and an outlet, a valve seat between the inlet and the outlet, a valve member, the valve member and valve seat being relatively movable to control flow through the valve, the valve member engaging the ... | 01/30/2007 |
| 7080820 | Elliptical sealing surface for butterfly valve A reduced component wear valve is comprised of a valve body having a passage therethrough and a disc attached to a rotatable shaft. The disc is utilized with a seal forming a gap between the disc and the seal proximate to the rotational axis of the disc. When the di... | 07/25/2006 |
| 7077384 | Integrated post-guided seat ring assembly A control valve having a seat ring assembly constructed from a unitary piece of material is disclosed. The seat ring assembly may include a base which serves as a valve seat for the valve plug of the valve, and which includes a plurality of exterior threads adapted ... | 07/18/2006 |
| 7069946 | Slow-release check valve A slow-release check valve for a pneumatic system including a compressed gas source and a pneumatic device includes a body with a proximal, supply end and a distal, power end. Supply and power couplings are mounted on the body supply and power ends respectively and ... | 07/04/2006 |
| 7066447 | Sleeve valve with adjustable flow characteristics A sleeve valve has a valve body and a flow passage through the valve body. The flow passage has a longitudinal axis, a valve plug positioned therein, and a slidable sleeve received therein. The sleeve is movable in an axial direction between an opened and a closed p... | 06/27/2006 |
| 7051994 | Control valve with detachable descrete curtain valve assembly Valves, particularly useful for controlling flow of heat transfer fluids in various heating, air conditioning and ventilation systems, are provided. The valves are of the curtain valve type and operate at very low torque and provide easy assembly and repair. The val... | 05/30/2006 |
| 7051635 | Ball-lock insert assemblies The invention provides a ball-lock insert assembly adapted to be mounted axially in a mount opening formed in a holder plate having a desired thickness. The ball-lock insert assembly comprises an insert body having an axis and an elongated interior recess extending ... | 05/30/2006 |
| 7017605 | Valve assembly A valve assembly (112) includes a first member (120) having a cavity (136). A poppet (142) is located in the cavity (136) in the first member (120). The poppet (142) is axially movable relative to the first member ( | 03/28/2006 |
| 7014170 | Seat ring for valves A valve seat assembly includes a valve body defining a cavity having an axis, the cavity having a threaded receiving portion and a conical contact surface substantially concentric with the threaded receiving portion. The valve seat assembly further includes a seat r... | 03/21/2006 |
| 7004448 | Trim insert for choke assembly A trim insert for a choke assembly is disclosed, wherein the trim insert is a tubular member with a substantially constant inner diameter. A first end of the device is positioned within an adjacent upstream sleeve and a second end is sealingly retained within the di... | 02/28/2006 |
| 6923423 | Small bore gate valve A gate valve comprises a valve body, a stem bore which extends through the valve body, a stem which is disposed in the stem bore and which includes a first stem portion that is sealed to the stem bore, a second, smaller diameter stem portion that is sealed to the st... | 08/02/2005 |
| 6918377 | Inward-opening variable fuel injection nozzle A fuel injection nozzle is proposed, in which an inner nozzle needle and an outer nozzle needle can be actuated independently of one another. Upon opening of the outer nozzle needle, a stream of fuel is injected into the combustion chamber in the direction of the lo... | 07/19/2005 |
| 6889702 | Replaceable valve seat ring with enhanced flow design A replaceable valve seat ring for a valve assembly has an annular ring body and an open flow passage extending through the ring body. A seating surface is provided on the ring body adjacent one end of the flow passage. A tool accepting region of the flow passage is ... | 05/10/2005 |
| 6886762 | Nozzle insert for dual mode fuel injector A nozzle insert that is capable of being irreversibly attached to a needle valve tube such that the resulting needle valve member can be used in a nested needle valve configuration for a dual mode fuel injector. ... | 05/03/2005 |
| 6830230 | Air blast device The invention relates to an air blast device comprising an air flow control device disposed between an inlet conduit and an outlet conduit. The control device comprises an evacuation valve (16) that controls the flow of the air contained in a rear chamber to ... | 12/14/2004 |
| 6817594 | Grooved valve seat with inlay A valve seat includes a seat body with an inlay and at least one groove. The seat body has a passage which extends from a first opening to a second opening in the seat body. A channel is located in the seat body adjacent the first opening and extends around at least... | 11/16/2004 |
| 6789784 | Seat ring for valves An improved seat ring, valve body, and seat ring valve assembly have self-aligning characteristics that reduce leakage without the need for an unacceptably high level of assembly torque. The seat ring includes at least one annular thrust bearing surface rim for rece... | 09/14/2004 |
| 6786471 | Diaphragm valve A diaphragm valve assembly comprising a body defining a valve chamber and first and second passageways through said, a removable, annular valve seat installed in the valve chamber around of said passageways, seat holding means comprising a seat holder shaped to surr... | 09/07/2004 |
| 6752377 | Pressure relief valve with selectable orifice size Method and apparatus for configuring a pressure relief valve to have a desired internal orifice size. A population of nominally identical inserts are provided having different internal orifice diameters. A resilient seal ring is placed upon a selected insert and bot... | 06/22/2004 |
| 6698449 | Replaceable valve seat ring with enhanced flow design A replaceable valve seat ring for a valve assembly has an annular ring body and an open flow passage extending through the ring body. A seating surface is provided on the ring body adjacent one end of the flow passage. A tool accepting region of the flow ... | 03/02/2004 |
| 6666433 | Grooved valve seat with inlay A valve seat includes a seat body with an inlay and at least one groove. The seat body has a passage which extends from a first opening to a second opening in the seat body. A channel is located in the seat body adjacent the first opening and extends arou... | 12/23/2003 |
| 6612537 | Cartridge gate valve The present invention is directed to a compact and modular gate valve comprising an elongated body which comprises first and second ends, a hole which extends longitudinally between the first and second ends, a first opening which communicates with the ho... | 09/02/2003 |
| 6517049 | Method and valve for controlling fluid flow, and method of servicing valve A gate valve for controlling fluid flow through a housing is disclosed. The gate valve includes a frusto-conical shaped internal cavity having a fluid inlet and a fluid outlet formed in the wall thereof. Fluid flow through the cavity (from inlet to outlet... | 02/11/2003 |
| 6427711 | Inline check valve An inline check valve having a piston member and a seat in a valve body having a larger diameter at the end thereof away from the piston. The seat is retained within a groove by a seat retainer which prevents removal of the seat from the groove without de... | 08/06/2002 |
| 6409150 | Pin valve with removable valve body cover The invention is a pin valve having a detachable valve body cover which makes the valve stem assembly accessible from the end of the valve in which the valve stem protrudes. The removable valve body cover can be replaced independently if this end of the v... | 06/25/2002 |
| 6378840 | Electromagnetic valve In an electromagnetic valve, a seat member has a protruding portion having two parallel surfaces provided in the seat member. When the seat member is fixed to the base member by inserting molding, the two parallel surfaces of the protruding portion may be... | 04/30/2002 |
| 6357721 | Valve arrangement Valve arrangement, in particular as pulse width modulated expansion valve of a refrigeration system, comprising the following elements: a valve body (1) with a passage opening (5), an armature tube (2) which is inserted into one end of the passage opening... | 03/19/2002 |
| 6152423 | Control valve main seal retainer with an assembly and removal tool A system for sealing a head end of a cylinder to prevent a material flow through the cylinder. An o-ring inside the cylinder surrounds a piston when the piston is in a closed position inside the cylinder to prevent material from leaking into the cylinder ... | 11/28/2000 |
| 6135132 | Valve seat arrangement A valve seat arrangement that uses a TEFLON valve seat. The seat is held in place and kept from cold flowing in undesired ways by an outlet guide and a retainer. The valve seat arrangement is assembled using interference fits to avoid damage to the TEFLON... | 10/24/2000 |
| 6024125 | Rotary valve A rotary valve provides a casing have an inlet and an outlet and a shaft mounted plug that selectively covers the inlet. A seat ring having an inner seating shoulder that is eccentric relative to the body bore of the inlet is provided. The seat ring can b... | 02/15/2000 |
| 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 |
| 5911407 | Metal valve housing In the case of cast housing bodies with highly stressed regions of the housing, and in particular in the case of housings for valves with control pistons, the regions of the housings subjected to high stresses are developed as independent parts from a mat... | 06/15/1999 |
| 5897099 | Expansion valve and refrigerating system An expansion valve comprises an orifice 30 formed in a valve body 10 and a valve member 9 fixed to a movable member 18. Movement of a diaphragm 4 is transmitted to an actuating rod 17 via a member 16, and the actuating rod 17 actuates the movable member 1... | 04/27/1999 |
