Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/113
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Plural inflows > Alternate or successive inflows > Control by depletion of source
Description: Systems in which the control is in response to a failure or depletion of the source of the flow in one of the inflow.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8689814 Regulated automatic changeover valve Apr. 8, 2014
8672235 Device and method for the thermal fogging of a liquid Mar. 18, 2014
8561630 Dual gas source changeover valve and control cabinet and gas supply system Oct. 22, 2013
8453682 Compressed gas dispensing method Jun. 4, 2013
8397742 Shuttle valve Mar. 19, 2013
8381756 Method for supplying gas Feb. 26, 2013
8327869 Ball check valve assembly for hydraulic control circuit Dec. 11, 2012
8272393 Switchover valve Sep. 25, 2012
8123076 Appliance controller system featuring automatic beverage dispenser shutoff system Feb. 28, 2012
8096316 Valve systems for use with a fluid injector system Jan. 17, 2012
7997295 Controller, system and method for providing supplementing water Aug. 16, 2011
7918367 Apparatus and method for monitoring bulk tank cryogenic systems Apr. 5, 2011
7810516 Control of fluid conditions in bulk fluid distribution systems Oct. 12, 2010
7201178 Continuous chemical feeder and method of use thereof Apr. 10, 2007
7169489 Hydrogen storage, distribution, and recovery system Jan. 30, 2007
7117855 Diesel reservoir ice bypass valve Oct. 10, 2006
7013906 System for monitoring and operating valve manifolds and method therefore Mar. 21, 2006
7000629 Manifold system and method for compressed medical gases Feb. 21, 2006
6935357 Fluid supply failure protection valve Aug. 30, 2005
6857447 Pressure-based gas delivery system and method for reducing risks associated with storage and delivery of high pressure gases Feb. 22, 2005
6837257 Valve device at dispensers Jan. 4, 2005
6792965 Shuttle valve assembly Sep. 21, 2004
6779568 Gas distribution system Aug. 24, 2004
6763843 Automatically switching valve with remote signaling Jul. 20, 2004
6662819 Automatic switchover valve Dec. 16, 2003
6581623 Auto-switching gas delivery system utilizing sub-atmospheric pressure gas supply vessels Jun. 24, 2003
6536456 Automatically switching valve with remote signaling Mar. 25, 2003
6318403 Combination manifold and check valve for a water heater Nov. 20, 2001
6318400 Low interflow hydraulic shuttle valve Nov. 20, 2001
6296008 Switchover valve Oct. 2, 2001
6286538 Check valve Sep. 11, 2001
6263900 Low capacity chlorine gas feed system Jul. 24, 2001
6260568 Apparatus and method for supplying uninterrupted gas Jul. 17, 2001
6257268 Pressure biased shuttle valve Jul. 10, 2001
6223769 Gas pressure sensor and indicator apparatus for recreational vehicles and the like May. 1, 2001
6220271 Checkvalve unit Apr. 24, 2001
6173729 Switch-over device Jan. 16, 2001
6105598 Low capacity chlorine gas feed system Aug. 22, 2000
6098648 Intake for whirlpool-type bathtub Aug. 8, 2000
6062427 Beer keg and pre-mixed beverage tank change-over device May. 16, 2000
6035881 Checkvalve unit Mar. 14, 2000
5878773 Auxiliary flow path valve Mar. 9, 1999
5868162 Automatically switching valve with remote signaling Feb. 9, 1999
5816792 Alternate gas fuel burning system Oct. 6, 1998
5724947 Fuel pump unit Mar. 10, 1998
5653291 Pressure activated valve for fire fighting installation Aug. 5, 1997
5575338 Valve for fire fighting installation Nov. 19, 1996
5551309 Computer-controlled chemical dispensing with alternative operating modes Sep. 3, 1996
5542417 Pressure regulating unit for supplying a pressurized fluid from alternative supply lines Aug. 6, 1996
5542447 Aircrew breathing systems Aug. 6, 1996

1 2 3










 
 
  Recently Added Patents
Apparatus and method of managing radio bearer in wireless communication system
System and method for ranking content and applications through human assistance
Dithering method and apparatus
Inhibitors of bacterial nitric oxide synthase, and related screening methods
Liposomes with improved drug retention for treatment of cancer
Maize variety hybrid X13A495
UV liquid treatment system
  Randomly Featured Patents
Method and apparatus for processing access requests in a computer system
Compressor suction gas feed assembly
Enhanced polling method and system
Container for gum
Digests to identify elements in a signature process
Using single lookup table to correct differential non-linearity errors in an array of A/D converters
Fast rail-to-rail class AB output stage having stable output bias current and linear performance
Continous esterification of carboxylic and fatty acids in the absense of a catalyst
Cooking vessel
Methods and apparatus for transporting digital audio-related signals