Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/470
Name: Fluid handling > Line condition change responsive valves > Pop valves > Pop closing valves
Description: Valves in which the auxiliary reactor surface aids in valve closing.

Patents under this class:

Patent Number Title Of Patent Date Issued
8557454 Fuel cell system and reverse flow relief valve Oct. 15, 2013
8245725 Pressure relief device Aug. 21, 2012
8047227 Pressure limiting valve Nov. 1, 2011
4955408 Vacuum-control valve for milking systems Sep. 11, 1990
4778104 Temperature responsive line valve Oct. 18, 1988
RE28842 Unloader valve for spray guns Jun. 8, 1976

  Recently Added Patents
Nanocatalysts structure, process for the preparation and use thereof
Shipping container explosives and contraband detection system using nuclear quadrupole resonance
Integrated control system for stability control of yaw, roll and lateral motion of a driving vehicle using an integrated sensing system to determine longitudinal velocity
Label with surface ornamentation
Sulfonated amorphous carbon, process for producing the same and use thereof
Key management using quasi out of band authentication architecture
  Randomly Featured Patents
Apparatus for spreading and guiding a web of textile fabric
Turbo lighter
Plumb bob
Optical connector system
Apparatus for applying release material to a contact fuser roll member utilized in fixing toner images to support sheets
Method for material removal and device for carrying out said method
Ignition timing control
A-D converter testing circuit and D-A converter testing circuit
Stabilized zoom binocular