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| Number | Title | Issue Date |
| 7556063 | High overpressure vent structure having spring steel recloser panel Apparatus for protecting a confined space having a vent aperture for relief of an overpressure condition and provided with a vent unit having a pressure relief portion normally closing the vent aperture is provided with recloser structure for generally closing off t... | 07/07/2009 |
| 7506665 | Ball valve with interlocking stem A ball valve has a ball with resilient, opposed facing spaced-apart locking arms which engage a stem having outwardly projecting flanges to allow the stem to be inserted externally into the valve body and locked to the opposed locking arms of the ball. In one embodi... | 03/24/2009 |
| 7341240 | Valve A drain valve to be used with numerous drain applications, such as draining fluid from an engine, includes in an exemplary embodiment a valve body, a first and second o-ring and a valve sleeve. The drain valve eliminates the need for a tool, such as a wrench, to dra... | 03/11/2008 |
| 7322558 | Non-refillable valve A non-refillable valve is provided that allows for an initial filling of a container, but prevents subsequent refilling of the container. In one embodiment, the valve includes a valve core having a retaining means for maintaining the valve core in an open or non-sea... | 01/29/2008 |
| 7306010 | Ball valve with snap-in stem A ball valve has a ball with resilient, opposed facing spaced-apart locking arms which engage a stem having outwardly projecting flanges to allow the stem to be inserted externally into the valve body and snap-locked to the resilient opposed locking arms of the ball... | 12/11/2007 |
| 7124770 | Shear mechanism for backpressure relief in a choke valve The present invention relates to a mechanism for preventing damage to the actuator of a hydraulic choke valve in the event of excessive backpressure on the outlet of the choke. The backpressure relief device is applicable to a choke valve which meters flow from a hi... | 10/24/2006 |
| 7104727 | Piping system with transition coupling In a pipeline system having a plurality of pipe segments joining a fluid supply tank to a fluid dispenser, the invention includes a pipe coupling assembly for use on at least one terminal end of a fluid transfer pipe, where the transfer pipe has an inner tubular mem... | 09/12/2006 |
| 7040337 | Valve override system A valve override system for allowing a user to restore flow through a gate valve that has failed in the closed position. The valve override system includes an engagement assembly being designed for engaging a gate of the gate valve assembly whereby the engagement as... | 05/09/2006 |
| 7032615 | Pipe-covering member having tear-away portions The inside surfaces of pieces constituting an undersink pipe-covering system are formed with series of weakness zones, at spaced intervals and with associated distance scale indicia, to permit facile and convenient length determination and manual severance for adjus... | 04/25/2006 |
| 6955669 | Transfer set in particular for delivering a mixture of liquids for medical purposes A transfer set in particular for delivering a mixture of liquids for medical purposes, from a so-called flexible main bag containing a first liquid and from at least a so-called auxiliary bag containing a second liquid, connectable to the main bag through a pair of ... | 10/18/2005 |
| 6843506 | Safety device A safety device (23) for a fluid hose (14) having at one end one part (19) of a separable connector (18) by means of which the hose (14) may be connected to another pipe (21) carrying the other part (20) of the connec... | 01/18/2005 |
| 6810913 | Internal fuel vapor valve A device that is adapted to be mounted to an interior surface of a polymeric fuel tank includes a body, a weld foot adapted to be inserted into the molten inner surface of the fuel tank and having a support surface adapted to control insertion of the weld foot into ... | 11/02/2004 |
| 6810915 | Accumulator having a safety valve In an accumulator comprising a pressure vessel, a bellows dividing the interior of the pressure vessel into a gas chamber filled with pressurized gas and a liquid chamber which communicates with a liquid pressure circuit via a liquid introduction port, a stay member... | 11/02/2004 |
| 6789782 | Valve for gas systems An improved ball valve (1), in particular for gas systems, includes a tampering indicating seal (25) made by injection molding a synthetic or metal material into cavities (19; 21; 22) formed in the screw-clamping nut assembly (11, 13) and... | 09/14/2004 |
| 6722633 | Throttle body with insert-molded member In a throttle body, a cylindrical body member is made of resin, and a core is made of a material different from the body member and insert molded in the body member. A notch is provided on an outer surface of the body in a peripheral direction, in a proximity of the... | 04/20/2004 |
| 6588447 | Break-away water meter register retaining ring A break-away ring manufactured from a frangible material and removably received by a water meter of the type used to measure the volume of water consumed by a residence or a commercial facility. The break-away ring applies a holding pressure for retaining... | 07/08/2003 |
| 6499721 | Bulk container valve There is disclosed herein a bulk container valve for use with a bulk container having a tubular spout. The valve comprises a one piece plastic housing having an interior chamber connecting a front port to a rear port. The housing includes a rear fitting a... | 12/31/2002 |
| 6401747 | Gate valve The present invention is directed to a gate valve which in one embodiment comprises a valve body having an internal flow passage which extends between an inlet port and an outlet port; a pair of seats mounted in respective seat pockets formed in the body ... | 06/11/2002 |
| 6401745 | Fire hydrant automatic shut-off valve A fire hydrant automatic shut-off valve including a cylindrical sleeve having an open lower end and an open upper end. The open lower end receives a water supply stand pipe therein. The open upper end receives an open lower end of the fire hydrant thereon... | 06/11/2002 |
| 6138715 | One-piece ballkey A valve wherein the stem and valve element are a unitary structure and the stem includes a weakened section adjacent the exterior of the body. Preferably, the unitary structure is a one-piece molded plastic structure. The weakened section is exterior of t... | 10/31/2000 |
| 6138985 | Internal tank car valve with safety lock and interlocking lug A valve assembly having a body assembly mounted to a vessel opening. The body assembly includes a valve seat and a valve throughbore. A valve disk co-acts with the valve seat for opening and closing the valve throughbore. A receiver member having a receiv... | 10/31/2000 |
| 5960820 | Cover assembly having rapid installation features for covering undersink piping An insulative cover assembly for insulating a P-trap drain piping assembly comprises a unitary body including a first section and a second section joined together at a third section, the first section having an body configured to cover a pipe and having a... | 10/05/1999 |
| 5934329 | Peeling diaphragm fluid release device The preferred embodiment of the invention is a fluid pressure alleviating pneumatic or hydraulic system component. The invention is comprised of a diaphragm, carrier and a release mechanism. The diaphragm is attached to the carrier. The release mechanism ... | 08/10/1999 |
| 5931444 | Internal tank car valve with safety lock A valve assembly for a tank having an opening. The valve assembly includes a body assembly mounted to the tank opening. The body assembly has a valve seat and a valve throughbore. A valve disk coacts with the valve seat for opening and closing the valve t... | 08/03/1999 |
| 5803110 | Fire hydrant assembly An improved fire hydrant having a lower portion and an upper portion. Under normal circumstances the upper portion is simulated fire hydrant made of resilient plastic and connected to the lower hydrant by a special fitting attached to the rim of the hydra... | 09/08/1998 |
| 5797419 | Sewer line trap priming assembly and antisiphoning conduit component therefor An automatic sewer line trap priming assembly including a gap type, anti-siphoning conduit component. A shielded and directed jet at timed intervals directs priming water increments into a receiving funnel which communicates with the trap.... | 08/25/1998 |
| 5765587 | Automatic valves An automatically operating shut-off valve has a valve body (12) with a weakened zone (15) about which the body will break, in the event the valve is subjected to a shock load. A valve seat (25) is formed within the body (12) and a valve member (29) is piv... | 06/16/1998 |
| 5701929 | Cover assembly having rapid installation features for covering undersink piping An insulative cover assembly for insulating a P-trap drain piping assembly comprises a unitary body including a first section and a second section joined together at a third section, the first section having an body configured to cover a pipe and having a... | 12/30/1997 |
| 5649566 | Cover assembly and method for covering undersink piping A cover assembly and methods for covering undersink piping includes insulative cover pieces placed over respective pipe sections such that their ends are adjacent at pipe junctures. Collars are slidable over or inside the cover pieces to be moved to cover... | 07/22/1997 |
| 5588460 | Fire hydrant valve guide with locking sleeve and wrench therefor A hydrant protector for preventing unauthorized use of the hydrant includes an internally threaded tubular shleld around the valve stem. To prevent a collection of trash in the shield and to provide more security for the hydrant a threaded plug fits compl... | 12/31/1996 |
| 5544675 | Frangible valve handle A torque limiting valve handle for rotating a shaft of a valve is provided. The valve handle includes an elongated arm having a first opening therein adjacent to one end thereof forming an inner surface and a first channel formed in the inner surface. The... | 08/13/1996 |
| 5518032 | Pressure vessel safety relief A pressure vessel safety relief includes one or more recesses on a bottom wall section of the vessel. The thickness of the bottom wall section in areas directly over each recess is less than the thickness of remaining areas of the bottom wall section. Onc... | 05/21/1996 |
| 5439276 | Tamper-resistant independent brake valve device for locomotive air brake equipment A tamper-resistant independent brake valve device for use in a brake equipment on railway locomotives including a main body casing carrying a movable handle, a rotatable cam, a pivotal cam dog and an exhaust and supply valve assembly, a spring housing att... | 08/08/1995 |
| 5404909 | Coupling device A coupling device 10 includes a nozzle 11 and a receptacle 12. The receptacle 12 includes a poppet assembly 35 that is biased by a spring 41 to a closed position. The receptacle 12 also includes an interface sealing surface 31. The nozzle 11 includes a no... | 04/11/1995 |
| 5361799 | Waste water access fitting A watertight waste water access fitting that is placed below ground level to mate with a pipe from a waste water source and a pipe from a sewer system and with access to its inside from ground level. The fitting is a preformed, polyethylene, one piece hol... | 11/08/1994 |
| 5341830 | Cover assembly and method for covering undersink piping A cover assembly for undersink piping is presented having cover pieces for the various piping sections of an undersink P-trap drain assembly. The pieces are configured to cover the various pipe sections of the P-trap and have integral, flexible collars at... | 08/30/1994 |
| 5285814 | Valve-setting device Setting device for a valve for the manual control of the position of a valve body. The handle portion of the setting device is provided with two wing portions extending in opposite circumferential directions outside a central portion of the handle portion... | 02/15/1994 |
| 5259410 | System for P-trap protection Slit pieces of thermal insulating molded rubber are configured to conform to under-sink piping, so as to provide protection against burn injury from contact with hot surfaces. Three or four pieces are telescopically and rotatably interengaged with one ano... | 11/09/1993 |
| 5244181 | High flow internal emergency valve A high flow emergency valve contained within an interior of a storage tank having an opening and a valve seat about the opening including a housing member for sealing and unsealing the valve seat, a push rod member for engagement with and activation of th... | 09/14/1993 |
| 5213137 | Check valve shear fitting with test port A shear fitting for coupling a downstream vertical conduit to an upstream vertical conduit in, for example, an underground suction-type fuel delivery system, includes a hollow body defining a fluid flow passage between an inlet in an upstream body portion... | 05/25/1993 |
