Class 251/151 - Non-rotatable conduit coupling

Subclass of Class 251 - Valves and valve actuation
Definition: Subject matter wherein the pipe coupling may be assembled
No. of patents: 38
Last issue date: 09/26/2006

Number	Title	Issue Date
7111818	Safety valve A safety valve comprises a pressure receiving hole (20), an actuation chamber (21), a discharging hole (22) and an alloy accommodating chamber (25). An alloy (27) of a low-temperature melting point is accommodated within the alloy ...	09/26/2006
6484749	Fire-resistant flange spacer A composite flange spacer for articulation between a fluid control assembly and a pair of pipe flanges comprising a fire-resistant, relatively non-compressible, layer sandwiched between a pair of fire-resistant compressible layers....	11/26/2002
6416036	Sealing arrangement between flow regulator and shut-off valve attached to oxygen cylinder The present invention provides a sealing arrangement between a flow regulator and a shut-off valve attached to an oxygen cylinder. The shut-off valve includes a casing which is adapted to be mounted to an oxygen cylinder containing oxygen gas or an oxygen...	07/09/2002
6408885	Staked dual valve assembly A gas valve assembly for use with a gas grill includes a t-shaped manifold with an inlet fluid port that branches out into a pair of valve ports. A pair of gas valves each have an outwardly extending neck that is received within the valve ports of the man...	06/25/2002
6390127	Selection valve with ferrule cluster A multi-port injection/selection valve utilizes a ferrule cluster to connect tubes or capillaries to a common port in the valve. The use of micro ferrule clusters, as opposed to conventional connectors such as nuts and/or bolts, permits the capillary ends...	05/21/2002
6390447	Valved conduit and method of making a valved conduit A valved conduit includes two substantially flangeless pipes adhesively bonded end-to-end at respective end walls of the two pipes at a joint; a butterfly valve including a protruding stem and a protruding anti-rotation tab, the butterfly valve being disp...	05/21/2002
6267143	Selection valve with ferrule cluster A multi-port injection/selection valve utilizes a ferrule cluster to connect tubes or capillaries to a common port in the valve. The use of micro ferrule clusters, as opposed to conventional connectors such as nuts and/or bolts, permits the capillary ends...	07/31/2001
6202981	Fluid control assembly with flange spacer A fluid control assembly including a fluid control device having a main body, annular shoulders extending from opposite sides of the main body, and a tubular, relatively compressible liner extending out of opposite sides of the body through and axially be...	03/20/2001
6199589	Staked dual valve assembly A gas manifold assembly is disclosed which includes a manifold fitting connected to at least one gas valve. The manifold has an inlet fluid port which branches out into a delivery port. Each delivery port receives a protrusion from each valve which is in ...	03/13/2001
6187148	Downcomer valve for non-recovery coke oven The present invention is a valve for a non-recovery coke oven which permits improved control of the gas pressure in the interior cavity of the oven. The valve has a rotating plug with a beveled end which progressively connects and disconnects the interior...	02/13/2001
6105603	Clamping structure for an irrigation hydrant valve housing A irrigation hydrant particularly adapted for attaching to an above ground valve assembly. Comprised of a cylindrical body with an internally threaded centrally located hub and a gasket, mounted coaxially on a vertical stand pipe, having a valve plate wit...	08/22/2000
5887612	Hydraulic pump apparatus A hydraulic apparatus as used for providing fluid to a steering gear of an automotive vehicle includes a housing (10) having a valve bore (14) housing a relief valve spool (94) disposed therein and slidable between a first and second position. A discharge...	03/30/1999
5845687	Valve systems, particularly for use with agricultural equipment A device for converting linear movement into rotary movement includes a pair of pulleys mounted to a linearly movable supporting element. Selective linear movement of the supporting element drives a rotary element by a drive cable engaging the pulleys and...	12/08/1998
5752426	Pilot pressure operated directional control valve and an operating cylinder control apparatus A pilot pressure operated directional control valve is provided in which a housing is formed therein with a spool having a plurality of ports. The spool bore has a spool fittingly inserted therein so as to be slidably displaceable therein and the spool is...	05/19/1998
5746242	Gas relief valve protector A corrosion protector particularly suitable for use with pressurized gas relief valve systems using conduits in which moisture may enter. The valve corrosion protector comprises a spacer located between the bolted flanges of components of the gas exhaust ...	05/05/1998
5711485	Pneumatic trigger valve for spray gun The invention is directed to an improved pneumatic valve for use in paint spray guns of the type having a pneumatic trigger operating mode. When actuated by a trigger, the valve vents a pressurized chamber in the spray gun, causing a piston to move to ope...	01/27/1998
5687758	Gas leak sensor shutoff valve and method for installation A gas leak sensor shutoff valve includes a cylindrical body having a connector nipple secured in an inlet port and adapted to be secured to a gas supply pipe. An internal bore extends within the body and joins the inlet port in coaxial fashion. The intern...	11/18/1997
5494068	Gas leak sensor shutoff valve and method for installation A gas leak sensor shutoff valve includes a cylindrical body having a connector nipple secured in an inlet port and adapted to be secured to a gas supply pipe. An internal bore extends within the body and joins the inlet port in coaxial fashion. The intern...	02/27/1996
5467611	Two plate TXV block connector for automotive A/C system with common bolts and independently attachable sides A two plate, TXV block type of connector for an automotive air conditioning system evaporator improves the security and serviceability of the connection through the use of common bolts specially designed to cooperate with matching bolt passages through th...	11/21/1995
5275203	Pressure regulator with plastic vacuum fitting The vacuum control port at the control chamber of a fuel pressure regulator is an injection molded plastic member that can be formed with an angle. A flange is provided as a seating surface for an annular seal ring. The member extends into a tube formed i...	01/04/1994
5163472	Fuel pressure control valve A fuel pressure control valve wherein a pipe press-fit opening 15a is formed on a housing 11 constituting a control valve chamber 16 together with a diaphragm 12, a mounting flange 26 is projectedly provided on the outer surface of this housing 11 and a r...	11/17/1992
5063976	Attachment of gas charger for gas container An attachment of a gas charger for a gas container is adapted to be mounted to a valve device with a check valve and to be used for forcedly opening a spring-closed type check valve by means of a charging pressure of a fresh gas. The attachment is provide...	11/12/1991
5039063	Smooth bore slide valve A valve which minimizes fluid turbulence. The valve body has inlet and outlet ports at the end of threaded counterbores. Threaded collars mounted on the ends of the conduits are locked in place in the counterbores. A flange such as a snap ring on the cond...	08/13/1991
4800925	Automobile coolant flow control A two-stage flow controller for use in a vehicle heating circuit including a housing defining an inlet and an outlet and a flow control chamber disposed between the inlet and outlet. A spring biased flow controller is disposed for sliding movement within ...	01/31/1989
4711426	Flanged valve connectors A combination valve and flanged connector for connecting a metallic or non-metallic pipe directly to the valve body is disclosed. The flanged valve connector includes a radial flange secured on a longitudinal end of the valve body. Secured to the radial f...	12/08/1987
4697787	Ball valve made entirely of plastics material A ball valve made entirely of plastics material comprising a tubular casing with connection pieces which are fastened to both its ends and which together form a through passage for a medium, a ball disposed in the through passage inside the casing and pro...	10/06/1987
4684105	Ball valve A ball valve having means for releasably holding the sealing surfaces of a seal carrier in contact with the valve body and ball. The holding means includes a durable locking strip which is inserted through an opening in the valve body into an annular chan...	08/04/1987
4676479	Flanged valve A valve body containing a ball valve member and having a threaded portion on the outer surface of an end portion thereof is connected with a body cap having a flange integral therewith on the outside end, by screwing a cap nut having an annular rib on the...	06/30/1987
4672728	Pressure signal instrumentation having removable flanges and mounting method therefor An instrument manifold and pressure transducer are provided for detecting a pressure differential across an orifice fitting. Removable flanges are utilized on the output side of the orifice fitting, and on the input and the output ends of the manifold. Ea...	06/16/1987
4669499	Valve casing for use in a butterfly valve This invention is intended to solve the problem that a valve casing for use in a butterfly valve formed by press working, which is advantageous from the standpoint of productivity, thickness and weight, has such as a serious disadvantage of breakage or de...	06/02/1987
4561459	Remote fire hydrant actuator An apparatus for attaching a fire hose to a fire hydrant and for facilitating remote operation of the hydrant actuator stem. A water supply module containing a length of conduit is coupled between a hydrant port and a fire hose. An articulated boom suppor...	12/31/1985
4471799	Line removable ball valve A valve structure for an undersea pipeline including a valve cartridge received in a cage formed by a pair of thick parallel plates secured together by threaded studs. The studs entered in U-shaped rows down along the sides of the plate and in an arc near...	09/18/1984
4437486	Line removable valve structure with pipeline support means A line-removable valve structure comprising a pipeline-supporting cage and a cartridge containing the working valve components. The cage comprises a pair of thick steel end plates connected by studs and a balanced array of hydraulic rams. With nuts on the...	03/20/1984
4372529	Plastic valve having a cap nut coupler A synthetic resin valve in which a body is connected end-to-end in abutting relationship to a cylindrical body cap having a flange at one end and a seat at the other end by screwing the two together with a cap nut. The seat includes a ring-like element ha...	02/08/1983
4274436	Wafer-type swing check valve construction A wafer-type swing check valve construction having a metallic housing body provided with an inlet and an outlet interconnected together by a valve seat that is adapted to be opened and closed by the effect of a pressure differential acting across a metall...	06/23/1981
4194721	Plumbing test fitting A plumbing test fitting for waste or vent pipes and stacks extending between adjacent floors of a building having a closure plate adapted to be slidably fitted between a pair of spaced adjacent ends of a pair of pipes, the joint being sealed by a detachab...	03/25/1980
4103866	Butterfly valve The butterfly valve includes a pair of tailpieces which are threaded onto the outer ends of axially spaced pipe sections of a piping system and have a radially extending flange, a valve unit having a wafer-like body which fits between the tailpieces, and ...	08/01/1978
3982727	Flangeless valve The flangeless valve is disposed between flange bolts of adjacent pipe flanges. The valve comprises a body which has two parts, a closing element rotatably mounted within the body and seat rings mounted in ring-shaped transverse grooves machined in both s...	09/28/1976

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Class 251/151 - Non-rotatable conduit coupling