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 251/368 - Materials


Subclass of Class 251 - Valves and valve actuation
Definition: Devices relating to the materials of which valve parts are
No. of patents: 673
Last issue date: 05/01/2012


1                      
NumberTitleIssue Date
8167270Valve gear with a bearing having a sliding surface against a valve shaft
The invention improves reliability of a valve gear in which a cobalt-based alloy is welded by plasma power building up. The valve gear includes a bearing 2 having a sliding surface against a valve shaft 1. The valve gear having a welded layer 12...
05/01/2012
8128063Erosion resistant power generation components
A power generation system valve stem comprising a nickel-based substrate and a WC-based coating thereon, wherein the WC based coating comprises WC particles in a matrix of Ni and/or Co wherein the average interfacial spacing between the WC particles is between 5 mic...
03/06/2012
7552911Multipart composite valve for an internal combustion engine
A multipart composite valve for an internal combustion engine, in which a valve shaft (2) and a valve plate (4) are embodied separately while being joined together in an overlapping area (6). The invention is characterized in that at least some ...
06/30/2009
7441561Reinforced valve assembly
The present disclosure is directed to a valve assembly comprising a housing and a valve mechanism. The housing includes a pair of support rings connected together with a set of legs. The valve mechanism is supported within the housing and includes an open position a...
10/28/2008
7416165Diaphragm valve for the vacuum exhaustion system
A diaphragm valve 1 is provided with a body 2 having a flow-in passage 6, a flow-out passage 7, and a valve seat 8 formed between the passages; a diaphragm 3 installed in the body 2 and permitted to rest on and move a...
08/26/2008
7387135Valve assembly having rigid seating surfaces
A valve assembly including a valve body having a bore and a port extending to the bore, an orifice member received in the bore and having an end wall and a side wall, and wherein the end wall defines an orifice providing fluid communication with the port of the body...
06/17/2008
7383853Multi-port free flow valve and element
A multi-port valve arrangement and removable valve element for use in sanitary environments that comprises at least three ports formed by the joining of at least two valve casing bodies at angles necessary to accommodate multiple connecting fluid streams. A seamless...
06/10/2008
7384022Seal arrangement for a piston valve
A sliding seal arrangement in particular for a valve having an anodised aluminium coating in contact with the seal. The coating is produced so that inclusions in the surface of the coating are substantially aligned. The direction of motion of the sliding seal in use...
06/10/2008
7363941Fluid control valve device
Certain embodiments of a fluid control valve include one or more ceramic components that operate substantially free of tensile stress concentrations along the control surfaces. In some embodiments, a fluid control valve includes a ceramic plug having a set of longit...
04/29/2008
7316385Throttle body
A lightweight, low cost throttle body and throttle valve placed in the body, both formed of resins, that resolve the problem of excessively large gap formation is disclosed. Circumferentially oriented filler contained in a resin forming a throttle valve compensates ...
01/08/2008
7314208Apparatus and method for selectively channeling a fluid
An apparatus for selectively channeling a high temperature fluid without chemically reacting with the fluid. The apparatus includes an inlet and a membrane positioned adjacent to the inlet, each composed of a chemically inert material. The membrane is formed by comp...
01/01/2008
7311292Sanitary diaphragm valve
The invention relates to a valve intended in particular for sanitary applications, comprising a body in which there are a first and a second perpendicular duct for the flow of a fluid to be shut off; a closure member acts in the valve body to close and open the firs...
12/25/2007
7296592Composite polymer microfluidic control device
A device for microfluidic control comprising a regulator that is moveable in a conduit where the regulator is a composite polymer formed from a composite mixture comprising a polymerizable precursor and a particulate filler. ...
11/20/2007
7290555Embedded microfluidic check-valve
Embedded check-valve manufacturing assembly (100, 600) for integration in a micro-fluidic system. The assembly can include a check-valve chamber (104, 604), an inlet port (106, 606) and an outlet port (108, 608) formed from at least one l...
11/06/2007
7290563Pressure regulator
A main valve reduces an unregulated pressure of a high-pressure gas to a regulated pressure by being interlocked with a diaphragm, which receives the regulated pressure within a pressure regulating chamber and is displaced. A subsidiary valve is interlocked with the...
11/06/2007
7290554Embedded microfluidic check-valve
Embedded check-valve manufacturing assembly (100, 600) for subsequent firing and integration in a micro-fluidic system. The assembly can include a check-valve chamber (104, 604), an inlet port (106, 606) and an outlet port (108, 608) form...
11/06/2007
7285041Air passage switching device and vehicle air conditioner
An air passage switching device includes a slide door slidable along first and second opening portions partitioned by a partition portion, a guide member for guiding the slide door, and a link mechanism for slidably moving the slide door along the guide member. The ...
10/23/2007
7273508Iron-based sintered alloy material for valve seat
An iron-based sintered alloy material for a valve seat having improved wear resistance and reduced opposite aggressibility to a mating valve. The iron-based sintered alloy material contains 10% to 20% by area of first hard particles and 15% to 35% by area of second ...
09/25/2007
7255328Low friction coatings for dynamically engaging load bearing surfaces
A gate valve has a body, the body having a cavity and a flow passage intersecting the cavity. A seat ring is mounted to the body at the intersection of the flow passage and the cavity, the seat ring having an engaging face. A gate in the cavity has an engaging face ...
08/14/2007
7246586Wear-resistant coating and process for producing it
The present invention relates to a process for producing a wear-resistant coating and to a wear-resistant coating on predetermined surfaces of machine or engine parts, in particular for internal combustion engines, which are exposed to frictional wear, comprising at...
07/24/2007
7243903Valve diaphragm with a compression restraining ring, and valve including same
A valve has a body, a bonnet, an actuator mechanism, and a flexible diaphragm adapted to be positioned between the bonnet and the body. The flexible diaphragm has a central portion and a peripheral portion, and the central portion is covered with a thin alloy layer....
07/17/2007
7241966Wafer level package fabrication method using laser illumination
The present invention relates to a WLP fabrication method capable of welding a lid wafer with a device wafer by using laser illumination. The WLP fabrication method can rapidly weld bonding metal strips of device and lid wafers with each other in order to couple the...
07/10/2007
7238102Heating, ventilation, and air conditioning system having a film valve and film for controlling air flow
A HVAC system of a motor vehicle includes a film having openings defined therein and moveable between open and closed positions. The film regulates airflow by opening and closing apertures defined in a housing of the HVAC system. The film is disposed in a film valve...
07/03/2007
7235116High temperature corrosion and oxidation resistant valve guide for engine application
A powder metal component particularly suited for use as a valve guide in high temperature applications. The powder metal component according to a first embodiment has a chemical composition on a weight percent basis of about 0.1-2.0% C; about 8.0-18.0% Cr; about 1.0...
06/26/2007
7219878Live loaded packing for valve
In accordance with the present invention, there is provided a lie loaded packing assembly for a valve which comprises a valve body defining a passage having a valve stem moveably disposed therein and selectively moveable between open and closed positions. Extending ...
05/22/2007
7216661Method of forming a wear resistant component
A method of forming a wear resistant component includes providing a base material, depositing a strengthening layer on the base material, and vapor depositing an amorphous diamond layer on the strengthening layer. ...
05/15/2007
7213586Exhaust gas recirculation valve
Mechanical systems having anti-stick mediums applied thereto are provided. In one aspect, exhaust gas recirculation (EGR) valve systems having anti-stick mediums applied thereto are also provided. The anti-stick medium can be applied to any contacting surface, such ...
05/08/2007
7211923Rotational motion based, electrostatic power source and methods thereof
A power system includes a member with two or more sections and at least one pair of electrodes. Each of the two or more sections has a stored static charge. Each of the pair of electrodes is spaced from and on substantially opposing sides of the member from the othe...
05/01/2007
7198250Piezoelectric actuator and pump using same
Thin chamber diaphragm-operated fluid handling devices, including thin chamber pumps and thin chamber valves, facilitate device compactness and, in some configurations, self-priming. Diaphragm actuators of the thin chamber devices either comprise or are driven by pi...
04/03/2007
7168440Valve body and seal assembly
A valve body and seal assembly comprising a top-stem-guided valve body having at least one cast-in-place elastomeric seal insert in a peripheral seal retention groove and a cast-in-place top guide stem sleeve is made by pouring and curing liquid elastomer in at leas...
01/30/2007
7165757Control pin
A control pin (12) for controlling the flow of liquid metal in a casting process includes an elongate body member (34), the body member being made at least partially of a composite ceramic material that includes a fibrous reinforcing material embedded ...
01/23/2007
7163189Tapping valve of plastics material for transport and storage containers for liquids
A tapping valve of plastics material for transport and storage containers for liquids, which is constructed as a flap valve or ball valve, includes a valve housing with an inlet connection connectable to an outlet connection of the liquid container and an outlet con...
01/16/2007
7159844Two-part flap valve
A valve having a housing with a valve seat for a two-piece flap which is rotatably mounted on a drive shaft. An annular piston seal and an adjacent cover disk are disposed between the first part and the second part of the two-piece flap so as to revolve there-around...
01/09/2007
7159618Electrically opened micro fluid valve
The invention relates to an electrically-opened micro fluid-valve. The inventive valve comprises: at least one planar support (12); at least one afferent microchannel (14); at least one efferent microchannel (16), said microchannels being arrang...
01/09/2007
7150299Assembly and method for containing, receiving and storing fluids and for dispensing gas from a fluid control and gas delivery assembly having an integrated fluid flow restrictor
A fluid control and gas delivery assembly and method for containing, receiving and storing hazardous fluids and for dispensing gas comprising a container, a fluid fill path, a gas dispensing path, a first shut-off valve, a pressure reducer, a fluid flow restrictor, ...
12/19/2006
7147202Tank vent valve
A canister-purge valve for the metered admixing of a fuel scavenged from a fuel tank of an internal combustion engine into the internal combustion engine includes a valve seat and a valve body movably located relative to the valve seat. A sealing element is provided...
12/12/2006
7134452Disc valve
A disk valve comprises an inlet port, an outlet port, a first disk provided with a first through hole communicating with the inlet port and extending axially and a second through hole communicating with the outlet port and extending axially, and a second disk provid...
11/14/2006
7128094Boom utilizing composite material construction
The present invention is a boom system comprising a first boom section having a distal end and a proximal end. A second boom section includes a distal end and a proximal end, wherein the proximal end of the second boom section is rotatably coupled to the distal end ...
10/31/2006
7121247Spherical rotary engine valve assembly
A spherical rotary engine valve assembly for use in an internal combustion engine. ...
10/17/2006
7111635Method of fabricating a flow constriction within a channel of a microfluidic device
A method is provided for fabricating a constriction region in a channel of a microfluidic device. The method includes the steps of introducing a pre-polymer mixture including a monomer, cross-linking agent and photoinitiator into the channel. The pre-polymer mixture...
09/26/2006
1                      
 
Sign InRegister
Username  
Password   
forgot password?