Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/614.13
Name: Fluid handling > Systems > Flow path with serial valves and/or closures > Common actuator > Alternately seating
Description: Systems wherein as one valve is moved toward its closed position, another valve is simultaneously moved toward its open position.










Sub-classes under this class:

Class Number Class Name Patents
137/614.14 Biased valve 23


Patents under this class:

Patent Number Title Of Patent Date Issued
8387651 Self-draining frost-free faucet Mar. 5, 2013
8312894 Ambient air backflushed filter vacuum Nov. 20, 2012
8181757 Adjustable damping valve with a fail-safe damping force characteristic May. 22, 2012
7607588 Sink spray head with supply jet variation and flow rate regulation Oct. 27, 2009
6948512 Flushing attachment for hydrant Sep. 27, 2005
6648006 Valve and a method of closing a valve Nov. 18, 2003
6382239 Leak-detecting diverter valve May. 7, 2002
6192923 Electromagnetic flow control device Feb. 27, 2001
6112137 Adaptive system for predictive control of district pressure regulators Aug. 29, 2000
5954089 Electromagnetic regulator utilizing alternate valve operating modes for gas pressure regulation Sep. 21, 1999
5901729 Material flow control arrangement and method May. 11, 1999
5421358 Fluid valve mechanism and valving method Jun. 6, 1995
5309934 Balanced piston fluid valve May. 10, 1994
5244011 Control valve Sep. 14, 1993
5158105 Anti-siphon freezeless hydrant Oct. 27, 1992
5135032 Slurry gate valve Aug. 4, 1992
4997108 Tap and liquid dispenser using the same Mar. 5, 1991
4995416 Process for controlling the medium inlet into at least one leakage cavity of a valve and an apparatus for its performance Feb. 26, 1991
4796665 Multi-purpose draining valve Jan. 10, 1989
4733692 Tube coupling Mar. 29, 1988
4716921 Filler sterilization system Jan. 5, 1988
4532954 Wall hydrant Aug. 6, 1985
4457337 Drain valve, preferably for a vehicle brake system Jul. 3, 1984
4457328 Combined positive seal and repetitive actuation isolation valve Jul. 3, 1984
4351414 Lubricant fitting Sep. 28, 1982
4072248 Metering apparatus Feb. 7, 1978
4007760 Fuel control system and control device therefor or the like Feb. 15, 1977











 
 
  Recently Added Patents
Nucleic acid-based tests for prenatal gender determination
Cytokine receptors associated with myelogenous haematological proliferative disorders and uses thereof
Device for determining the absolute angular position of the steering wheel of an electric power-assisted steering column of a motor vehicle using weighted dynamic parameters of the vehicle
Portion of display panel or screen with an icon
Plants and seeds of hybrid corn variety CH336383
Deflection device for a scanner with Lissajous scanning
Method for transmitting a signal from a transmitter to a receiver in a power line communication network, transmitter, receiver, power line communication modem and power line communication syst
  Randomly Featured Patents
Laser bat
Flame-retardant rubber compositions
Adjusting apparatus for a vane pump or radial piston pump
Mobile phone
Circuit assembly for controlling an optical system to generate optical pulses and pulse bursts
Hydrosulfite-bleachable ketonimine dyes for paper
Laser dermablator and dermablation
Toner for developing electrostatic latent image and method of preparing the toner
Sausage stuffing machine
Processes for solubilizing organometallic compounds in fluorinated solvents by addition of a fluorinated non-catalytic co-solubilizer