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

Icon_funbox Quotables

"We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology."

Carl Sagan

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 137/625.18 - Plural noncommunicating flow paths


Subclass of Class 137 - Fluid handling
Definition: Devices having a plurality of distinct conduits or passages,
No. of applications: 6
Last issue date: 11/03/2011


Application No.Application TitleIssue Date
20110265509MULTIPLE-WAY VALVE, SYSTEM FOR ALTERNATELY COOLING AND HEATING A REACTOR, AND ALSO SORPTION COOLING
A multiple-way valve comprises a housing (31) which is provided with a heat inlet (32) and a coolness inlet (33). The housing (31) has a discharge (34) and a supply (35) for returning to the multiple-way valve (30) liquid...
11/03/2011
20110132484Valve Assemblies Including Electrically Actuated Valves
A valve chip may include a substrate having first and second faces and openings between the first and second faces, and a plurality of flexible valve flaps on one of the faces of the substrate with each flexible valve flap being associated with at least one of the openi...
06/09/2011
20100102264SHEAR VALVE APPARATUS AND METHODS TO IMPROVE LEAKAGE AND WEAR
A shear valve assembly includes a stationary valve manifold having a manifold planar surface containing a plurality of manifold input ports and one or more manifold output ports, a movable valve switch having a switch planar surface in slidable, interactive contact with...
04/29/2010
20100059130Directional Control Valve Device and Directional Control Valve Device Block Having Directional Control Valve Devices
[PROBLEM] To provide a directional control valve assembly, in which a check valve for controlling a flow rate of pressure oil to be guided to a directional control valve as a main valve and a control means for limiting an opening degree of the check valve by a pressure ...
03/11/2010
20090293972OMNIBUS QUASI-HYDROSYSTEM
An omnibus quasi-hydrosystem is disclosed. The omnibus quasi-hydrosystem includes a module base, at least two channel switching members mounted in the module base, at least two inlets formed in the module base and at least two outlets formed in the module base. The inle...
12/03/2009
20090229692MULTIPLE PHASE TRANSFER VALVE FOR LIQUID HYDROGEN TANK
A product comprising a phase transfer valve, and wherein said phase transfer valve comprises an actuating valve housing having a housing interior; a liquid hydrogen inlet, a gaseous hydrogen inlet and a hydrogen outlet provided in said valve housing; an actuating valve ...
09/17/2009
 
Sign InRegister
Username  
Password   
forgot password?