U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6260903

Portable automobile partition

A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 251/215 - Plural motions of valve


Subclass of Class 251 - Valves and valve actuation
Definition: Subject matter wherein the mechanical movement produces
No. of patents: 89
Last issue date: 08/12/2008


1      
NumberTitleIssue Date
7410146Drain valve with flow control
A drain valve allows liquid to flow into or out of a liquid-container product by use of a restriction cap having a control ring that twists in and out of a base ring in order to control the flow. The restriction cap has a flow valve, having a top, apertures, and a b...
08/12/2008
7287541Method, apparatus and system for controlling fluid flow
A system, apparatus and method of controlling the flow of a fluid are provided. In accordance with one embodiment of the present invention, a flow control device includes a valve having a flow path defined therethrough and a valve seat in communication with the flow...
10/30/2007
7121526Drain plug assembly
A drain plug for a threaded opening in a fluid container that is particularly suited for transom drains in recreational boats. The plug has an externally threaded cylindrical body with a central channel and transverse openings to permit fluid to flow from the centra...
10/17/2006
7032883Hybrid butterfly fluid control valve
A flow control valve system has a housing that defines a flow path, a throttle element disposed in the flow path, and a linkage assembly coupled to the throttle element and oriented substantially outside the flow path. With such an orientation, the linkage assembly ...
04/25/2006
6951317Vehicle, lightweight pneumatic pilot valve and related systems therefor
A vehicle, such as a missile, with a pilot valve system controls the vehicle's thrust valves despite a hostile propellant gas environment. The pilot valve system can have one or more pilot valves. Using refractory elements, the pilot valve ball reciprocates between ...
10/04/2005
6929020Fluid pressure releasing system and method
A system and method for enabling rapid and controlled releasing of fluid pressure, as for deflating a tire. The system, in an embodiment thereof, enables rapid and controlled deflation of a tire to enable a vehicle to navigate in rough or unstable terrain. ...
08/16/2005
6824118Micro-adjustment flow control valve
An addition of a fine adjustment flow-control mechanism that produces changes in fluid flow in increments of 0.1% or less, to any configuration high pressure fluid flow control valve that employs an axial valve stem and a rotatable rough control knob that moves the ...
11/30/2004
6553728Insulating glass unit pressure equalization valve
A pressure equalization valve enabling equalization of pressure between the between-pane space of an insulating glass unit and ambient pressure, and glass units containing such a valve. The pressure equalization valve generally includes a valve body havin...
04/29/2003
6540205Fine-adjustment flow control valve
An addition of a fine adjustment flow-control mechanism that produces changes in fluid flow in increments of 0.1% or less, to any configuration high pressure fluid flow control valve that employs an axial valve stem and a rotatable rough control knob that...
04/01/2003
6534793Control valve for an exhaust gas recirculation system of an internal combustion engine
The invention relates to a valve for controlling the quantity of exhaust gas recycled in an exhaust gas recirculation system of an internal combustion engine, comprising a shutoff valve (3) disposed in a conduit, rotating drive means (1) and a cam (11) fo...
03/18/2003
6464203Swing-door gate valve
A gate 3 for opening and closing an opening 2 of a chamber 1 is fixed to a top end of an arm 7 swung between a position facing the opening and a retreating position on the side thereof. A base end of the arm 7 is supported by an output shaft 10 of a fluid...
10/15/2002
6409149Dual pendulum valve assembly with valve seat cover
A dual pendulum valve assembly for connecting a process chamber and a vacuum pump of a semiconductor manufacturing system. The valve assembly includes an isolation valve for sealing an opening to the pump during cleaning of the system and an annular cover...
06/25/2002
6382592Valve
A valve has a valve body, a valve sheet formed in the valve body which contacts the valve sheet in an axial direction, to thereby open and close the valve sheet with a knurling portion and a screwing action. A handle is combined with a handle combination ...
05/07/2002
6368736Reactant product valve for an electrolysis cell
A reactant product valve for an electrolysis cell. The valve comprises first and second members disposed generally horizontally in the reactant product above the electrodes. The second member floats on liquid reactant product, sinks in liquid reactant and...
04/09/2002
6340148Valve handle for preventing a valve from being accidentally turned on
The present invention relates to a valve handle for preventing a valve from being accidentally turned on. In the preferred embodiment of the present invention, the valve handle comprises a fixing ring which mobilizes the valve stem, so as to drive the ste...
01/22/2002
6241213Diaphragm valve
A valve including: a bonnet; a body secured to the bonnet and including at least two ports and at least one weir positioned between the ports; a valve stem being movably coupled with the bonnet, the valve stem including first and second longitudinal ends,...
06/05/2001
6200111Controllable high volume positive displacement pump
A controllable positive displacement pump for liquids and gases which may contain dispersed phase particles includes a pair of pistons operating out of phase. Each of the pistons is associated with an inlet valve which includes a fixed grating defining sl...
03/13/2001
6186473Tap
A tap has a hollow body (6) having an interior threaded portion (18) and (9). A manually turnable spindle (7) having an exterior threaded portion (19) is threadably engaged with the interior treaded portion (18) to advance and retract to spindle (7) relat...
02/13/2001
6186174Valve assembly
Multi-port valve assemblies with, typically, two-piece housings are disclosed. Particularly useful in connection with swimming pools and associated water pumps, the assemblies avoid reliance on an elongated handle to effect rotation of the internal struct...
02/13/2001
6148841High pressure gas valve
A post valve for use with a source of high pressure gas is disclosed. The post valve includes a body having an inlet aperture extending therethrough. The body further includes an outlet aperture in fluid communication with the inlet aperture. A stem havin...
11/21/2000
6112368Temperature compensating valve
A valve element for operative association with a valve seat in a passage in a body in which the valve element is mounted, in use, the valve element comprising first and second portions connected together by snap-fit means, the first portion being screw-th...
09/05/2000
6095494Rising stem tap of plastic, preferably with a metal threaded insert
A tap body (1) comprising a plastic shroud (6), a substantially plastics tap spindle (7), and a locking collar (12). The body (1) has an inner threaded portion (18) and the spindle (7) is threadably received in the inner threaded portion (18) and rotatabl...
08/01/2000
6029683Pressurized gas tank valve plug
There is provided a pressurized gas tank valve plug which can safely and effectively fit and seal a first pressurized gas tank valve and a second pressurized gas tank valve each valve having a valve stem of differing interior depth....
02/29/2000
5992440Washer saver faucet valve
The present invention provides a novel faucet with a non-circular slider assembly to which a resilient seat-washer is attached. In a preferable embodiment of the invention the slider assembly has a hexagonal cross-section. In embodiments of the invention ...
11/30/1999
5957147Retaining snap ring safety adapter
After removal of a valve cap from an in line shut off valve the Retaining Snap Ring Adapter with male threads and seat at one end, female threads and seat at the other end, a hex outer surface at the female threaded end, a longitudinal passageway down its...
09/28/1999
5947444Gas tap
The tap comprises an external operating element and a connecting stem for transmitting the movement of the operating element to the opening and closure member which is arranged in such a way as to be pressed against the sealing seat under the effect of th...
09/07/1999
5853026Valve with downstream manual bleed
A valve for controlling the flow of a liquid includes a valve seat which is engaged by a selectively operable valve member. A pressure chamber above the valve member contains upstream pressurized fluid in the closed position of the valve. The valve is ope...
12/29/1998
5829474Tubing piercing and tapping apparatus
An apparatus for piercing a hole in a tube centered on a tube axis has a plurality of housing parts one which is formed with a throughgoing threaded passage centered on a passage axis and both of which are secured the housing parts around the tube with th...
11/03/1998
5775672Release valve for lifting devices
A release valve for a lifting device includes a valve stem, a fixing seat, a spiral spring, and a knob. The valve stem includes a first conical end mounted in an oil path of the lifting device, a mediate portion, and a second end beyond the lifting device...
07/07/1998
5769392Water flowrate control device
An improved hydraulic valve comprising a housing having a first coupling end and a second coupling end is provided. The housing includes a receiving recess having an opening atop. The lower section is provided with a cone-shape wall. The inner wall of the...
06/23/1998
5769119Combined control and check valve for gas torches
A combination control valve and check valve for a gas torch is disclosed wherein a check valve is positioned within an annular control valve member downstream of a spherical control valve element with which the annular control valve member cooperates to o...
06/23/1998
5694971Lead-free saddle valve for tapping into fluid lines
A lead free water valve for domestic use as a saddle valve for tapping into existent water supply tubes to establish a permanent retrofit installation for controlled water service to a lateral installation, having a set screw affixing the saddle to the su...
12/09/1997
5641012Valve device
A value device for connecting a container filled with a flowable material to an applicator device for dispensing the flowable material comprises a unitary, essentially cup-shaped housing 1 having an axially extending flow passage 9 in the base thereof. A ...
06/24/1997
5630666Cone-shaped paint container
A paint can comprising a container having an upper portion formed in cylindrical configuration and a lower portion formed in an inverted cone shaped configuration, the lower portion having an aperture with internal female threads at its lower central exte...
05/20/1997
5503180Valve having easily replaceable seat
A valve has a seat that is replaceable without disassembly of the bonnet from the body or removal of the stem and closure member. The seat is maintained in a fixed position within the body of the valve by a single retainer member that is readily separable...
04/02/1996
5480122Shut-off valve for installation immediately downstream from a defective valve mounted into the compression-connection type of outlet of the defective valve
A trouble-shooting shut-off valve includes an inlet-tail-tube mountable directly into a compression-fitting outlet socket of a defective shut-off valve, thus positioning the trouble-shooting valve immediately downstream from the defective valve in line in...
01/02/1996
5454546Water faucet mechanism
A water faucet includes an inlet, an outlet and an opening formed between the inlet and outlet. A cylindrical member extends upward from the opening. A sleeve is secured to the body. A rod is threadedly engaged in the sleeve. A cap is secured to the lower...
10/03/1995
5447203Remotely actuated firefighting nozzle
A firefighting nozzle includes a nozzle body having a having a centrally formed jet orifice at its outlet end. An annular fog spray opening concentrically surrounds the jet orifice. A jet control valve is provided for allowing selective variation of the d...
09/05/1995
5435339Manual air relief valve
A manually operable pressure relief valve for swimming pool filter systems and the like, including a valve housing, a valve stem movable axially in the housing to open and close the valve, and a top cover that serves as an operating handle. The valve hous...
07/25/1995
5421547Inline valve
An inline valve includes a glass body having an upwardly open bore with a tapered seating surface, and colinear inlet and outlet ports having passages intersecting the seating surface. Fluid flow between the ports is regulated by a valve member whose stem...
06/06/1995
1      
 
Sign InRegister
Username  
Password   
forgot password?