Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/863
Name: Fluid handling > Systems > With flow control means for branched passages > With common valve operator > For valve having a flexible diaphragm valving member
Description: Systems in which at least one flow control means comprises a pliant member which flexes relative to a rigid surface to control flow therebetween.

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
4333500 Fluid actuated valve Jun. 8, 1982
4295490 Milking apparatus Oct. 20, 1981
4269229 Solar heat system May. 26, 1981
4250929 Pneumatically operated switch Feb. 17, 1981
4230151 Pinch valve Oct. 28, 1980
4210310 Fluid control valves Jul. 1, 1980
4182368 Pressure regulator Jan. 8, 1980
4181154 Deflector valve for fluids Jan. 1, 1980
4121621 Pilot operated flushing valve Oct. 24, 1978
4121622 Multitube valve Oct. 24, 1978
4031951 Air climatizing device Jun. 28, 1977
3991788 Fluid flow distributor for multi-choice vending machine Nov. 16, 1976
3974861 Air flow direction control valves Aug. 17, 1976

1 2

  Recently Added Patents
Cucumber plants with a compact growing habit
Vending machine
Activated carbon cryogels and related methods
Method and system for network configuration for virtual machines
Plants and seeds of hybrid corn variety CH260114
Method and apparatus for policy-based network access control with arbitrary network access control frameworks
Method and system for electronic distribution of product redemption coupons
  Randomly Featured Patents
Manual switching valve
Multi-carrier modulation with source information allocated over variable quality communication channel
Module comprising a semiconductor chip
Folding chair
Aglaonema plant named `Emerald Star`
Graphic user interface for a patient ventilator
Rear section of jet power plant installations
Motor vehicle dashboard assembly
Method for impermanent sealed perforation of thin-walled packaging
Electrical connector