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| Number | Title | Issue Date |
| 7367789 | Device for maintaining a static seal of a high pressure pump A pressure enclosure includes a first component having an opening, a second component coupled to the first component in a position over the opening, a third component positioned between the first and second components and covering the opening, and a load chamber def... | 05/06/2008 |
| 7360558 | Control valve for drinking water fountain A control valve for a drinking water fountain includes a valve housing having an inside formed with a receiving chamber, and a valve seat mounted in the receiving chamber of the valve housing. The valve seat is forced into the receiving chamber of the valve housing ... | 04/22/2008 |
| 7347286 | Drill string valve assembly A drill string valve assembly includes a tubular valve body, including an outer surface and an inner bore for housing a valve mechanism to control fluid flow through the bore; and an axial load support releasably securable to the outer surface of the valve body, the... | 03/25/2008 |
| 7341435 | Fluid end A fluid end for a high-pressure pump including a unitary body with a plurality of horizontal passages each for receiving a reciprocating plunger at one of its ends and a pressure relief valve at the other of its ends. The body is provided with a corresponding number... | 03/11/2008 |
| 7185671 | Angled dual check valve Poppet valve installation or removal is simplified through the use of a unitary poppet assembly that may be accurately placed into a valve body through an access opening and wherein the poppet is slidably mounted in a stem in an insert while being permanently affixe... | 03/06/2007 |
| 7175157 | Fluid controller A fluid controller, wherein the recessed port (25) of a body (22) is formed of larger diameter part (25a) near an opening and a small diameter part (25c) continued to the lower part of the large diameter part (25a | 02/13/2007 |
| 7108243 | Ball valve A ball valve includes a housing, a valve member, and a grip. The housing has a valve chamber in the center portion for containing a valve portion of the valve member consisting of the valve portion and a shaft portion extending up from the valve portion and out of t... | 09/19/2006 |
| 7066201 | Valve device having solid engaging structure A valve device includes a housing including a peripheral valve seat extended into a chamber, to separate the chamber into two separated spaces. A valve member includes an outer peripheral groove to receive a sealing ring for engaging with the peripheral valve seat o... | 06/27/2006 |
| 7048079 | Mud saver valve A three-part sub-assembly comprising a wire line retrievable spear. The spear having two fluid chambers. A diverter valve having a truncated, inverted cone valve seat is preferably threaded into the interior of the spear. A diverter valve stem, having back-to-back c... | 05/23/2006 |
| 7040342 | Fire hydrant lock A fire hydrant security arrangement includes a center post which is retained on the operating nut of the fire hydrant by a central bolt which is threaded into the operating nut. The center post has a pentagonal recess therein which receives an insert, the insert hav... | 05/09/2006 |
| 7004214 | Hydraulic system line bleeding tool A hand tool apparatus for bleeding a hydraulic line at a fitting, including a fitting engagement portion, a fitting pressure portion, a laterally oriented fitting torquing portion and a fluid conducting portion wherein the fitting engagement portion is an open jaw w... | 02/28/2006 |
| 6923074 | Ball valve with flow-rate gauge incorporated directly in the ball A fluid-flow measuring ball valve includes a replaceable ball within a housing. The replaceable ball includes a flow restriction calibrated to the characteristics of the fluid. Pressure ports on either side of the ball provide for obtaining pressure readings which c... | 08/02/2005 |
| 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 |
| 6866064 | Coupling assembly having a coupling member removably securable in an apparatus A coupling assembly is provided that includes a first coupling member removably securable in an apparatus having a port that includes a receiving groove, a retaining surface and a resilient locking member receivable in the receiving groove. The first coupling member... | 03/15/2005 |
| 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 |
| 6675829 | Diagnostic adapter for pressure testing a cooling system A modular cooling system adapter for coupling to an orifice and applying pressure from a source of pressurized gas. The adapter includes a universal cooling orifice fitting for attaching the device to cooling system orifices of various sizes and configura... | 01/13/2004 |
| 6662822 | One-way nut fastener A novel, one-way nut fastener including a nut body with a side wall that is internally threaded and lobes that extend from the side wall of the nut body. Each lobe has a flat portion that extends substantially radially away from the side wall and a curved... | 12/16/2003 |
| 6543467 | Method for limiting access to a valve for vehicle tires A theft resistant valve cap including a liner adapted for threaded engagement with a standard pneumatic tire stem valve, a sleeve rotatably mounted with the liner to shroud it and an interlocking feature to selectively prevent axial displacement between t... | 04/08/2003 |
| 6227225 | Method for pulling a valve seat An apparatus for pulling a valve member from a pump. The apparatus comprises a puller stem containing external threads and a bushing having an inner surface, and wherein the puller stem is disposed through the bushing. Also included is a first halve nut c... | 05/08/2001 |
| 6189862 | Replaceable valve seat A valve having a housing and a valve member located in the housing for controlling the flow of a fluid or fluid pressure directed through the housing. The valve further includes a removable valve seat located in the housing and against which the valve mem... | 02/20/2001 |
| 6176255 | Keyed theft resistant valve cap A theft resistant valve cap including a liner adapted for threaded engagement with a standard pneumatic tire stem valve, a sleeve rotatably mounted with the liner to shroud it and an interlocking feature to selectively prevent axial displacement between t... | 01/23/2001 |
| 6113072 | Access port or drain plug with valve for liquid containers An access port or drain for liquids held in a container, having a port member having a bore communicating with the interior of the container. A valve member seals the bore. A spigot member having an internal bore is adapted to connect by complementary con... | 09/05/2000 |
| 6105615 | Control valve A valve device for selectively controlling the flow of high-pressure fluid from a source to either of a dump, or discharge, mechanism or to a gun used for water blasting; said valve device includes opposed valve seats and a valve member movable between sa... | 08/22/2000 |
| 6070609 | Plaster guard for concealed valves A plaster guard for a concealed sanitary valve which can be controlled by means of a valve control element such as a valve spindle or a valve control disc. The plaster guard is equipped with a tool to operate the valve control element.... | 06/06/2000 |
| 5871030 | Curb box locking device A curb box locking device has a core unit with a head at its upper end and a foot at its lower end. A sleeve surrounds and is shiftable axially in relation to the core unit. Claw members are carried on the core unit for pivotal movement through side openi... | 02/16/1999 |
| 5871031 | Removable three position valve The invention provides a valve for regulating fluid flow. The valve having a collar, a plug and a flapper seal. The collar defining an aperture and having a base with an opening therein, with a shaft extending from the base within the aperture. The plug b... | 02/16/1999 |
| 5871156 | Sprinkler with removable valve seat An irrigation sprinkler of the type having an inlet control valve is provided with a removable valve seat formed integrally with an inlet filter screen. The valve seat is positioned to engage a valve head to normally prevent water inflow to a sprinkler ca... | 02/16/1999 |
| 5791371 | Valve lock The present invention relates generally to a valve lock for use in conjunction with a valve stem contained on an inflatable tire. The device comprises a hollow tubular component that receives the valve stem. A plurality of fingers are attached to the inne... | 08/11/1998 |
| 5597010 | Safety cap for fluid valve A safety cap for preventing unauthorized access to a refrigerant valve is described. The safety cap has a locking piece that attaches to the valve's threaded portion and covers the valve's access port. A collar surrounds the locking piece and is mechanica... | 01/28/1997 |
| 5553638 | Pressure-loaded cylinder valve insert A cylinder valve insert is used to be mounted within the outlet of a cylinder valve of a cylinder to allow a fluid to pass through the valve when a male fitting is sufficiently engaged with the outlet, and to prevent such fluid flow when the male fitting ... | 09/10/1996 |
| 5497802 | Vandalproof cap for flush valve check valve A control stop for use in a plumbing supply line includes a body having an inlet and an outlet. There is a valve seat in the body and a valve member movable toward and away from the valve seat to control flow from the inlet to the outlet. There is an open... | 03/12/1996 |
| 5469898 | Gas tank evacuator A gas tank evacuator (10) comprises an evacuator housing (12) into which a neck (80) of a gas tank (82) can be screwed and an elongated valve-removal rod (14) for slidably passing through the evacuator housing and engaging and unscrewing a stem-actuated v... | 11/28/1995 |
| 5421380 | Gas tank evacuator A gas tank evacuator (10) comprises an evacuator housing (12) into which a neck (80) of a gas tank (82) can be screwed and an elongated valve-removal rod (14) for slidably passing through the evacuator housing and engaging and unscrewing a stem-actuated v... | 06/06/1995 |
| 5233976 | Second stage regulator hose with built-in cone adjusting tool A built-in regulator cone adjusting tool for a second stage regulator having a housing, an inlet port in the housing, and a cone having a front end and being disposed in the inlet port for reciprocal axial movement, the tool including a tubular body confi... | 08/10/1993 |
| 5222520 | Fuel hose breakaway unit A breakaway unit which is adapted to be mounted in series flow relation with a fuel nozzle. The breakaway unit comprises a flex section which assures an axial transmission of forces to a valve section which is separated when a vehicle drives away from a d... | 06/29/1993 |
| 5107882 | Valve assembly with removable packing A valve assembly includes a self-contained, packing removal means for removing the valve packing. The valve assembly includes a valve stem connected at one end to a valve, a bonnet for mounting the valve stem on a valve body having a valve seat engageable... | 04/28/1992 |
| 5082245 | Spill proof check valve apparatus A check valve apparatus is provided for use in connecting two fluid passageways, such as between which have multiple fluid passageways. The check valve manifolds and servovalves apparatus includes a poppet seal and a spring which engages and biases the po... | 01/21/1992 |
| 5067515 | Compact spray gun A compact spray gun using a single air supply port to actuate two piston valves and act as an air refinement system. An externally adjustable cartridge type packaging assembly needle piston valve seals the resin. A spool valve portion of a catalyst piston... | 11/26/1991 |
| 5031657 | Vandal-proof cover for a faucet A cover for a single lever faucet having a body with a spout extending therefrom and a control handle for controlling the amount and mixture of water flowing out of the spout. The faucet includes a threaded opening extending into the body and through an u... | 07/16/1991 |
| 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 |
