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Class Information
Number: 137/15.06
Name: Fluid handling > Processes > Cleaning, repairing, or assembling > Fluid cleaning or flushing > Liquid cleaning or flushing > Valve or valve seat cleaning
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
8667981 Method of manufacturing a liquid discharge head Mar. 11, 2014
8622069 Valve device in a unit for conducting a product, unit of this type and method for operating the same Jan. 7, 2014
8585909 Self cleaning high pressure abrasive slurry/fluid check valve Nov. 19, 2013
8337777 Sample distribution devices and methods Dec. 25, 2012
8157969 Method and apparatus for minimizing accumulation of polymer on process equipment, especially safety devices Apr. 17, 2012
8074671 Self-cleaning valves for use in vacuum cleaners and other self-cleaning valves Dec. 13, 2011
7931044 Valve body and condensate holding tank flushing systems and methods Apr. 26, 2011
7926503 Fluid injection system Apr. 19, 2011
7597514 Air valve coupling method and apparatus Oct. 6, 2009
7521029 Shell-and-tube type reactor for carrying out catalytic gaseous phase reactions and a procedure for operating the same Apr. 21, 2009
7214165 Method of automatically flushing debris from an electrically-operated hydraulic valve May. 8, 2007
7025078 Clean-in-place valve and valve seat Apr. 11, 2006
6860284 Method and device for controlling at least one valve Mar. 1, 2005
6860283 Method of cleaning valves or lines Mar. 1, 2005
6857646 Anti-roll suspension valve body Feb. 22, 2005
6761184 Water flushing unit for a pressure balanced shower valve Jul. 13, 2004
6698444 Freeing of seized valves Mar. 2, 2004
6691731 Corporation stop cleaning device Feb. 17, 2004
6681792 Reduced-length sleeve valve Jan. 27, 2004
6505639 Hygienic three way valve Jan. 14, 2003
6484745 Fill valve assembly Nov. 26, 2002
6374847 Seal cleansing routine Apr. 23, 2002
6240946 Switch valve Jun. 5, 2001
6213450 Valves Apr. 10, 2001
6206021 Sleeve valve with clean out section Mar. 27, 2001
6170506 Method and circuit for actively cleaning electrohydraulic valves in a hydraulic control valve circuit Jan. 9, 2001
5746239 Dual trace valve system May. 5, 1998
5564457 Vacuum breaker valve with CIP capability Oct. 15, 1996
5445180 Fluid flow control Aug. 29, 1995
5398712 Purgeable connection for gas cylinders Mar. 21, 1995
5370146 Sample valve Dec. 6, 1994
4979527 Sterilizable valve assembly for dispensing fluid materials and a method of operating the valve assembly Dec. 25, 1990
4785841 Bladder valve Nov. 22, 1988
4757834 Method and apparatus for the realization of a leakage-free switching double seat valve adapted for cleaning seat surfaces Jul. 19, 1988
4552167 Method of and device for cleaning hollow spaces in double seat valves Nov. 12, 1985
4548224 Faucet repair system Oct. 22, 1985
4531532 Snap-on valve gasket Jul. 30, 1985
4501286 Rotary valve Feb. 26, 1985
4383769 Homogenizing apparatus and method May. 17, 1983
4377177 Throttling mud choke apparatus Mar. 22, 1983
4352573 Homogenizing method Oct. 5, 1982
4076034 Method for sealing a butterfly valve Feb. 28, 1978
4003394 Disc valve with improved seal ring Jan. 18, 1977
3991781 Apparatus for and method of automatically cleaning an obstructed valve Nov. 16, 1976
3955693 Method and apparatus for cooling and cleaning the sealing surface of a valve May. 11, 1976











 
 
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