Class 137/328 - Wrench engaging lugs

Subclass of Class 137 - Fluid handling
Definition: Devices in which the interlocking means are projections
No. of patents: 20
Last issue date: 06/19/2007

Number	Title	Issue Date
7231936	Hot/cold water tube connection structure for plastic faucets A hot/cold water tube connection structure for plastic faucets comprises a hot/cold water connector tube made up of a valve seat and a coupling tube wherein the valve seat has a screw tube extending downwards at the bottom of a stop ring, and a sealing ring mounted ...	06/19/2007
7228935	Attachment pin for an exhaust-gas muffler The invention relates to an attachment pin (1) for fixing an exhaust-gas muffler (2) in an apparatus part (4) of a portable handheld work apparatus (5) driven by an internal combustion engine. The exhaust-gas muffler (2) includes e...	06/12/2007
7114698	Quarter turn valve locking device A locking device for quarter turn valves avoids the inadvertent, unauthorized or careless manipulation of quarter turn valves from a desired position thereby minimizing, if not eliminating, the likelihood for damage or injury in an industrial or other setting as a r...	10/03/2006
6920898	High-pressure valve A high-pressure valve comprises an intake channel and two outlet channels. Further, an actuator is provided for opening and closing the outlet channels. According to the invention, the actuator is provided with a connection channel. The connection channel makes it p...	07/26/2005
6840280	Flow through ultrasonic processing system These and other objects of the present invention are achieved by provision of a flow through ultrasonic system for facilitating the flow of flow-resistant materials. The system includes a supply of material and an ultrasonic horn having at least one passage extendin...	01/11/2005
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
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
5752540	Drain sock A device for removing sprinkler heads from the type of overhead sprinkler systems commonly found in commercial buildings. During use the device is clamped around the sprinkler pipe attached to a sprinkler head, and provides a means for containing the flow...	05/19/1998
5385060	Device for the assembly or disassembly of probes in process pipes, tanks, etc. A retrieving device for the assembly and disassembly of probes into process pipes and tanks comprising a hydraulically activated cylinder attached to a nipple and ball valve mounted on the wall of a pipe or tank and the cylinder may be operated by applyin...	01/31/1995
5275086	Fluid actuator with internal pressure relief valve A fluid actuator of the type for producing reciprocal movement is provided having a cylindrical housing adapted to be secured to a relatively stationary object. The cylindrical housing includes first and second end portions and respective first and second...	01/04/1994
5161566	Top-entry check valve with screw-in seat A top-entry check valve having a seat, cage, disc and removable bonnet utilizes threaded engagement of the seat and mating counterbore in the valve body to prevent movement of the seat, cage and disc in the downstream direction. An annular shoulder in the...	11/10/1992
5080122	Non-return valve A valve body having an opening closed by a cover through which may be mounted or demounted a non-return obturator which is mobile along an upstream-downstream axis, the obturator being installed by first securing a first member to the valve body and then ...	01/14/1992
4982759	Swing check valve with secured cage A swing check valve wherein the valve seat, cage and disc are in the form of a cartridge having an overall length substantially equal to the length of the valve body. The valve is for use between flanges where the flanges do not provide support to prevent...	01/08/1991
4893654	Double check valve backflow preventer assembly A backflow preventer assembly for a liquid supply line includes a single unitary valve body including flanged inlet and outlet end openings and a single access opening generally normal to the flow path defined by the inlet and outlet openings. The body ho...	01/16/1990
4863143	Solenoid actuator A solenoid actuator has an external casing comprising a part 16 mechanically drawn from a mild steel work piece and a second part in the form of a machined, screw threaded bush 20 welded to the drawn part 16. The part 16 is mechanically drawn to incorpora...	09/05/1989
4685488	Ball valve A ball valve comprising a housing having a cylindrical bore extending inwardly from the exterior and defining a valve chamber with inlet and outlet passages connected from the exterior of the housing to the chamber. A ball valve member is positioned axial...	08/11/1987
4620562	High pressure regulator valve A pressure regulating valve for controlling pressure in high pressure hydraulic circuits includes a closure member with an integral control piston and a conical seating surface cooperable with a complementary surface on a seat member. The valve closure me...	11/04/1986
4605199	Ball valve provided with a lock ring A ball valve having a valve body within which is provided a ball for opening and closing the valve. The ball valve is constructed with bushings and lock rings arranged for ease of assembly and disassembly for inspection of the wear of internal ring seals....	08/12/1986
4477055	Valve seat for ball valves A ball valve structure (10) having a valve seat assembly (46) positioned in annular seat pockets located in a flow passage (14) on opposed sides of a ball valve member (18). Each valve seat assembly is mounted for limited longitudinal movement toward and ...	10/16/1984
4465092	Valve with anti-removal feature A lockable valve having features which impede unauthorized removal of the valve from a conduit to which the valve is connected. The housing of the valve has a passageway. A valve element is movably mounted to the housing for occluding the passageway. A st...	08/14/1984

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Class 137/328 - Wrench engaging lugs