Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/207.5
Name: Fluid handling > Diverse fluid containing pressure systems > Gas pressure storage over or displacement of liquid > With return of liquid to supply
Description: Apparatus in which the liquid in one part of the system is allowed to flow back, is forced back, or is by-passed back to the source of supply, in order to empty the system for cleaning, storage, etc.










Patents under this class:

Patent Number Title Of Patent Date Issued
8230613 Clothes treating apparatus Jul. 31, 2012
5803111 Device for purging water supply line Sep. 8, 1998
5660530 Pump system for biasing seals of a centrifugal pump Aug. 26, 1997
5257608 Device in a fuel system for an internal combustion engine Nov. 2, 1993
4799864 Hydro-pneumatic pumpsets Jan. 24, 1989
4475876 Oil purge system for cold weather shutdown of oil flooded screw compressor Oct. 9, 1984
4274405 Method for varying the ambient pressure in a vessel Jun. 23, 1981
4072168 Dual standpipe arrangement supplementing a water supply system Feb. 7, 1978











 
 
  Recently Added Patents
Imidazo[1,2-B]pyridazine and pyrazolo[1 .5-A]pyrimidine derivatives and their use as protein kinase inhibitors
Chip on chip semiconductor device including an underfill layer having a resin containing an amine-based curing agent
Pre-fetching map data using variable map tile radius
Method of controlling an indentation depth of an electrode into a metal substrate during welding
Silicon-on-insulator (SOI) structure configured for reduced harmonics and method of forming the structure
Assay for the diagnosis of flaviviral infection using antibodies with high affinity for NS1 protein of flavivirusi in hexameric form
Fluid intake and content management system
  Randomly Featured Patents
Method for administering tandospirone
Plasma display device and driving method thereof
Scalable and improved profiling of software programs
Image processing device, method for processing image, and program for processing image
Electric motor
Modular liner hanger
Fast uplink response to downlink shared channel transmission without a dedicated uplink channel
Square bowl and lid
Method and apparatus for measuring the size distribution and concentration of particles in a fluid
Proportional pilot operated directional valve