Matches 1 - 50 out of 107 1 2 3 >
Match Document Document Title
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...
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...
7467643 Fitting for fuel tanks  
A fuel-tank fitting includes a cylinder-shaped fitting body including a connecting end to be connected with a pipe and a free end to be disposed freely inside a fuel tank, a flange disposed on an...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
5211685 Fire hydrant base enclosure  
An improved procedure and apparatus for mounting and replacing fire hydrants including a hollow, box-like structure comprising a plastic cylinder which can enclose the hydrant-mounting flange to...
5163469 Unitary article comprising protective system components  
A unitary article is cut into sections to provide pieces that are configured for emplacement upon under-sink piping, as insulation against burn injury from contact with hot surfaces. Three pieces...
5145151 Internal tank valve with valve lock  
An internal valve for a mobile tank car having an opening with a valve seat positioned in the opening. A sealing valve element is positioned in the tank for coacting with the valve seat for opening...
5054513 Protective system for P-trap  
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 pieces cooperate...
4937019 Pressure vessel  
A pressure vessel has an excess pressure release device comprising a passage between the interior and the exterior of the pressure vessel, a bursting disc seated in the passage, and a flexible...
4905725 Underground access box and valve operating and protecting means  
An underground access box and valve operating and protecting means are disclosed. The access box comprises a pair of valve enclosing members adapted to be fitted together to enclose a valve and...
4903579 Pressure-release valve and conduit for preventing damage to seal of hydraulic power drive unit  
A hydraulic power drive unit for connection to the hydraulic system of an agricultural tractor is provided with a pressure release valve to protect the unit seal from damage if connected the wrong...
4860786 Shut off for a gas line  
The combination of a fluid conductive pipe line and an in-line valve adapted to open and close the fluid passage in said line, said valve having an external handle operatively connected to open and...
4794944 Plastic valve  
A service valve includes a valve body (12) having an upper chamber (18), a lower chamber (20), an open top end (22) and an open bottom end (24). The lower chamber (20) includes an inlet opening...
4790342 Fire hydrant valve actuator  
A fire hydrant comprising an upper portion and a lower portion. The lower portion contains a water inlet valve and an operating rod for selectively opening and closing the valve. The upper portion...
4765591 Gate valves  
A gate valve is provided having a valve body with a fluid passage therethrough and a riser passage at right angles to the fluid passage. A valve gate is included for opening and closing the fluid...
4741881 Chemical reactor  
A chemical reactor vessel is provided with a plurality of tubes filled with a heat exchange fluid. The tubes are disposed in a heat exchange relationship with the reactor contents and are coupled...
4708160 Post assembly for buried valve having an above ground actuator  
An improved post assembly for operating an inaccessible valve having upper and lower connecting shaft portions within respective upper and lower column sections wherein each of the shaft portions...
4702275 Post assembly for a buried valve  
A post assembly for a remotely placed valve and valve actuator includes a post with a hinged cover cap and multiple windows evenly spaced below the cap and a target axially movable past said...
4673537 Trap for the sump drain of an evaporative cooler  
A trap device for placement on the overflow standpipe provided in the sump of an evaporative cooler for blocking the high velocity inflow of sewer gasses or other contaminants through the standpipe...
4654191 Pressure release arrangement for the safety containment of a pressurized water nuclear reactor  
A pressure release arrangement for a pressure container such as a safety containment of a nuclear reactor, wherein a pressure release pipe extends through the containment walls and is closed at its...
4569365 Device for detecting the operation of a valve  
Device for detecting the operation of a valve, comprising a movable member (15) connected kinematically to a movable part (6) fastened to the closure member of the valve. A detector (24, 25, 26)...
Matches 1 - 50 out of 107 1 2 3 >