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

Icon_funbox Bizarre Patents

Patent No. 5307162

Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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 137/543 - Yoke or cage-type support for valve stem


Subclass of Class 137 - Fluid handling
Definition: Valves which provide a transverse support for the valve
No. of patents: 53
Last issue date: 12/15/2009


1    
NumberTitleIssue Date
7631657Explusion valve assembly
A valve assembly having a threadless base and a removable threadless insert that separately contains a check valve piece. The check valve piece is resiliently supported to abut a seal fitted to the insert. In one assembly, a pair of resiliently biased latch arms res...
12/15/2009
7448407Latched valve assembly
A valve assembly having a base and a removable latched insert that separately contains a valve piece. The valve piece is resiliently supported to abut a seal fitted to the insert. The insert is restrained to the base with a pair of resiliently biased latch arms that...
11/11/2008
7370665Tanks
A tank which is primarily intended for spraying applications and mountable on an all terrain vehicle (“ATV”). The tank (10) includes a main tank section (11) which, in use, extends laterally of the ATV and at least one longitudinally extending arm ...
05/13/2008
7287547Inlet or outlet valve for a pump
An inlet or outlet valve for a pump comprises a closing body (3) pretensioned by a spring element (4). The closing body (3) can open or close a passage on a valve seat (2). The valve also comprises a guide element (5) for guiding t...
10/30/2007
7207346Hydrostat for portable gas range
Provided is a hydrostat for a portable gas range, which prevents the explosion of a gas container by automatically discharging overcompressed gas from the gas container when the inner pressure of the gas container increases to an explosion pressure. The hydrostat in...
04/24/2007
7198061Valve
Hydraulically or pneumatically controlled seat valve (2), in particular a pressure control valve, having a valve seat (10) formed in a base part (4) which cooperates with the sealing surface of a valve body (8) displaceably disposed in a ...
04/03/2007
7185671Angled dual check valve
Poppet valve installation or removal is simplified through the use of a unitary poppet assembly that may be accurately placed into a valve body through an access opening and wherein the poppet is slidably mounted in a stem in an insert while being permanently affixe...
03/06/2007
7178784Valve assembly and method
The present invention discloses, among other things, a valve assembly that includes a body, a valve, a biasing mechanism, and a guide. The body includes a shaped cavity and the valve includes an elongated portion and a shaped valve head that has an exterior surface ...
02/20/2007
7159613Pressure limiting valve in a hydraulic machine having a pressure limiting valve
In the housing 1 of a hydraulic machine, the pressure Pi acts in the chamber 2. For this purpose, a passage opening 4 is provided, which is formed as a valve seat 5. A valve body 6 can be displaced longitudinally in the housing ...
01/09/2007
7114873Adaptive security and protective barriers and traffic control speed bumps
A method for at least slowing a vehicle moving along a surface is provided. The method including; providing one or more panels capable of extending above the surface; and deploying the one or more panels from the surface into a position extended from the surface.
10/03/2006
7082964Attachment structure of a component in a fuel tank made of resin
In order to solve the problem of a conventional attachment structure of a fuel tank made of resin, the present invention is an attachment structure of a component of a fuel tank made of resin where a connection portion with a tank main body made of resin is formed o...
08/01/2006
7074020Sanitary pump and sanitary valve
A sanitary pump and sanitary valve is provided employing a dual action piston for providing a constant pressure metering and delivery of fluids utilizing a drive shaft positively driven and controlled by a drive motor for sanitary applications. The sanitary pump may...
07/11/2006
7040339Suction inlet valve for fire truck pumpers
A suction inlet valve for fire truck pumpers has a male body portion and a female body portion, the portions defining a chamber therein. A cone-shaped valve element is connected to a valve stem which has a cam body thereon with a cam slot therein. The cam slot recei...
05/09/2006
7017563Valve for controlling a fluid flow
A valve for controlling a fluid flow, in particular for crankcase venting of an internal combustion engine, including a base body (37), a valve body (22) and a biasing means (23), the base body (37) having a valve side (45) and an ...
03/28/2006
6971404Pressure protection valve
A pneumatic valve (10) for selectively controlling fluid flow through a pneumatic system of a vehicle is disclosed. The valve (10) includes a housing (12) having a cavity (28). The cavity includes an inlet (16) and an outlet (18...
12/06/2005
6902123Sanitary fitting
The invention relates to a sanitary fitting (5) including an external housing (2) that has at least one housing section (6, 7, 30), the housing section (6, 7, 30) having an insertion opening (10) on an inlet side. At least one func...
06/07/2005
6866062Check valve
A check valve for a compressed gas system. The valve has a body with an internal passage extending through the body and a valve seat positioned in the passage. A poppet is movable between a closed position in which the poppet engages the seat to block flow of gas th...
03/15/2005
6695007Suction valve
A suction valve including a valve seat and a piston movably joined to the valve seat. The piston has a head for engaging the top surface of the valve seat and a stem extending downwardly from the head through the valve seat. A valve guide is positioned ad...
02/24/2004
6470911Check valve and fuel tank with check valve attached thereto
A check valve attached to an inner wall of a main body of a fuel tank ensures a sufficient seal of the main body from outside, without increasing the required number of parts. The check valve communicates with a fuel conduit of a fuel inlet pipe and funct...
10/29/2002
6415810Water hammering prevention device
A water hammering prevention device including an outer box defining a flow path having an inlet, an outlet and a drain port in a midstream section thereof. An inner tube member has a diaphragm on its periphery dividing the inside of the outer box into an ...
07/09/2002
6050295High flow valved fitting
A valved fitting is provided which includes a body having a first end and a second end spaced from the first end, with a fluid passage extending through the body between the first and second ends. A valve seat is defined on the body within the fluid passa...
04/18/2000
5996618Valve nozzle
The invention relates to a valve nozzle used for a molding machine of synthetic resin and is characterized in that a gate opening and closing mechanism consisting of a spool having a head portion at which a circular cross-sectioned part and a notched part...
12/07/1999
5967179Low profile discharge check valve
A low profile valve for discharging pressurized air to a system for utilizing such pressurized air. The valve includes a housing for mounting in or to an associated structure, and has at least one opening through which pressurized air is directed to and f...
10/19/1999
5921276Piston-type check valve with diffuser
An axial recess is formed in the downstream end of the diffuser body. An annular tail member is mounted on the downstream end of the valve piston. The tail member retracts into the recess when the piston is in the closed position and provides an extension...
07/13/1999
5743291Sanitary safety device
The invention relates to a sanitary safety device which is interposed in a water-supply line and there is insertable in an opening in the region of a coupling point or joint. It is characteristic of the sanitary safety device according to the invention th...
04/28/1998
5373868Ball valve with modular check valve assembly and access port
A ball valve is provided with an internal check valve which is of modular construction and with an external valve casing that includes a lateral extension defining an access port. The modular check valve assembly is threadably connected to the ball and th...
12/20/1994
5370150Process for producing sanitary fitting and sanitary fitting produced according to the process
A fitting (1) designed for example as a non-return valve (2) has an outer housing (3) having an inner lip seal (7) interacting with a closing element (5), and also an outer annular seal (8). Both the outer housing (3) and the seals (7, 8) are designed as ...
12/06/1994
5313974Pipeline pressure release apparatus and method
A pressure release apparatus for relieving pressure that may occur within a pipeline due to water hammers or the like. This apparatus is secured to the pipeline directly in line with the pressure wave and consists of a spool piece having an opening theret...
05/24/1994
5297579Ball and seat-type check valve for downhole rod pump
The plunger of the valve has a semi-spherical valve member of reduced diameter, so that it is inwardly spaced from the ribs of the cage. The plunger is centralized and guided by top and bottom stems attached to the ball and working loosely in apertured we...
03/29/1994
5261450Pressure relief vent with surge suppression
A device relieves a positive pressure difference between the inside of a vessel and the outside of the vessel through an opening in the vessel. The device has a base portion, a cap portion and a biasing means. The base portion has a means for mounting the...
11/16/1993
5240037Gas line check valve
A low pressure gas flow check valve is formed by a relatively thin disc having an central aperture and valve seat is adapted to be interposed between adjacent flanges in a pipeline. The check valve includes a valve body axially connected with one face of ...
08/31/1993
5228469Fluid control system
The fluid control device of the present invention combines a flow sensing unit in series with a control valve. The flow sensing unit is of the displacement piston type and the flow rate is electronically sensed. A single action poppet valve assembly facil...
07/20/1993
5195552Check valve with exchangeable valving elements
A check valve wherein the housing has an inlet and a seat at one end and an outlet at the other end. The other end can receive a removable and reinsertable cage which serves to confine a selected one of several spherical and/or otherwise configurated valv...
03/23/1993
5178185Suction inlet valve for fire truck pumpers
A suction inlet pump, useful with pumper firetrucks, has a floating valve element which is normally biased closed by a spring. The motion of the floating valve is also positively determined by a cam engaging a shaft extending from the floating valve eleme...
01/12/1993
5036882Valve assembly for decanter for wastewater treatment facility
A pressure responsive valve assembly for use in a decanting apparatus for a wastewater treatment reactor. The valve assembly includes a cylindrical valve plate, a valve member support structure, a valve spring, and a valve member comprising a valve stem a...
08/06/1991
4993451Valve for gas cylinders
The valve is intended to contain a given residual pressure in the cylinder and is mounted in the cylindrical bore (16) of a connection piece (14) designed to be connected either to a circuit for using the gas, or to a circuit for filling or rinsing the cy...
02/19/1991
4979721Check valve having combined quick disconnect wrench flat defining ridge
A check valve of the type having a valve body and a valve pin mounted to slide in the valve body includes on its exterior surface a raised annular ridge. This ridge defines at least one pair of wrench flats and has first and second annular shoulders, each...
12/25/1990
4955407Check valve insertable into a hose
An improvement is obtained in the valve body construction of a check valve which is insertable into the interior of a flexible hose, which valve body comprises a valve body portion having one of an inlet port and an outlet port, and a valve end piece havi...
09/11/1990
4862913Check valve
A check valve wherein a tubular housing confines a reciprocable valving element which is biased by a spring so that it normally engages a seat between the inlet and the outlet of the housing. The valving element is guided by a plastic core which is instal...
09/05/1989
4768549Retention valve particularly for liquid-bearing conduits
The present invention relates to a retention valve for liquid-bearing conduits, comprising a containment body provided with threaded sleeves for connecting to conduits, and, in its interior, with valve means suitable for cutting off the flow of a liquid. ...
09/06/1988
1    
 
Sign InRegister
Username  
Password   
forgot password?