Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/505.3
Name: Fluid handling > Line condition change responsive valves > With separate connected fluid reactor surface > With opening bias (e.g., pressure regulator) > Reactor surface separated by apertured partition > Valve stem passes through the aperture > Plural reactor surfaces
Description: Devices wherein the reactor surface is in the form of an expansible chamber having at least two flexible walls.










Patents under this class:

Patent Number Title Of Patent Date Issued
8534315 Diaphragm assemblies for use with fluid control devices Sep. 17, 2013
6752169 Pressure regulator and shut-off valve Jun. 22, 2004
6488046 Pressure reducer for compressed gases Dec. 3, 2002
5746245 Meters May. 5, 1998
4840195 Piston-backed gas pressure regulator Jun. 20, 1989











 
 
  Recently Added Patents
Eyeglass component
Semiconductor device and method of forming discontinuous ESD protection layers between semiconductor die
Accessory sleeve
Method and apparatus for controllable communication
Flame retardant thermoplastic elastomers
Oscillator circuit which compensates for external voltage supply, temperature and process
Electric power supply system and electric power supply system for motor vehicle
  Randomly Featured Patents
Container for a flowable product, process of manufacture and the use thereof
Battery pack and method of manufacturing the same
Recovery of salvageable components from waste materials
Method for forming intermetallic layers in thin films for improved electromigration resistance
Concealed spring hinge for hairstyling devices
Thermal treatment of brazed products for improved corrosion resistance
System, method and computer program product for application-level cache-mapping awareness and reallocation
Bottle opener
Device for displaying lenticular displays
Convertible rongeur