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
Oxidative coupling of hydrocarbons as heat source
Methods of enhancing diabetes resolution
System and method for secure power systems infrastructure communications
Techniques to manage communications resources for a multimedia conference event
Sabatier process and apparatus for controlling exothermic reaction
Highly stable electrolytic water with reduced NMR half line width
Information-provision control method, information reproduction system, information-provision apparatus, information reproduction apparatus and information-presentation control program
  Randomly Featured Patents
Mattress sheet
Polyester resin composition and molding product thereof
Dual fishing pole holder
Centrifugal separator having hydraulically operated outlet valves
Apparatus and method for generating voice signals at a wireless communications station
Numerical controller
High density resistor array
Beam expansion with three-dimensional diffractive elements
Compressed gas operated firearm
Positive airway pressure apparatus