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Class Information
Number: 137/614.18
Name: Fluid handling > Systems > Flow path with serial valves and/or closures > One valve head carries other valve head
Description: Systems in which the head portion of one valve is carried by and movable with the head of another valve.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8668184 Double seat valve and sealing of a double seat valve Mar. 11, 2014
8656946 Valves Feb. 25, 2014
8636021 Non-magnetic latching servo actuated valve Jan. 28, 2014
8627842 Mix-proof valve Jan. 14, 2014
8622076 Seat cleaning-capable double-seat valve Jan. 7, 2014
8596302 Multi-path valve device for fluid circulation Dec. 3, 2013
8528584 Device for driving a double seat valve Sep. 10, 2013
8469055 Device for driving a double seat valve capable of seat cleaning Jun. 25, 2013
8459294 Double-seat valve, the seats of which can be cleaned Jun. 11, 2013
8439066 Double seat valve capable of cleaning the seat and having a cleaning device for a housing penetration May. 14, 2013
8430110 Double-seat valve having a seat-cleaning function, and method for cleaning said double-seat valve having a seat-cleaning function Apr. 30, 2013
8381758 Safety relief fill valve assembly Feb. 26, 2013
8356616 Fuel tank valve Jan. 22, 2013
8336572 Double seat valve with seat cleaning Dec. 25, 2012
8327881 Double seat valve apparatus Dec. 11, 2012
8220488 Flow control valve with internal isolation means Jul. 17, 2012
8201711 Mixing device for individual hydration unit Jun. 19, 2012
8191575 Double poppet quick connect Jun. 5, 2012
8191577 Flow adjustment valve Jun. 5, 2012
7954511 Two-stage valve for controlling fluids Jun. 7, 2011
7950411 Pipe branching arrangement May. 31, 2011
7905253 Double seat valve Mar. 15, 2011
7891376 Double seat valve for separating media Feb. 22, 2011
7845368 Double seat valve Dec. 7, 2010
7699069 Valve status monitoring Apr. 20, 2010
7694692 Non-magnetic latching servo actuated valve Apr. 13, 2010
7650908 Valve assembly and related arrangements Jan. 26, 2010
7530368 Valve device and valve disk for a valve device May. 12, 2009
7398764 Fuel metering unit for the fuel injection system of a combustion engine Jul. 15, 2008
7370670 Bleed valve system for motorcycle suspensions May. 13, 2008
7347405 Inlet valve for pneumatic tool Mar. 25, 2008
7347221 Solenoid valve Mar. 25, 2008
7320336 Plug incorporating pressure-sensitive valve Jan. 22, 2008
7299824 Multiple-mode fluid valve Nov. 27, 2007
7231939 Bleed valve system for motorcycle suspensions Jun. 19, 2007
7198058 Device for actuating double seat valves Apr. 3, 2007
7191791 Device for actuating double seat valves Mar. 20, 2007
7077382 Water supply shut off valve with quick connect having flow regulation Jul. 18, 2006
7032878 Method and device for controlling the switching movement of a valve Apr. 25, 2006
6974120 Solenoid fuel drain valve Dec. 13, 2005
6935616 Balanced plug valve Aug. 30, 2005
6901962 Surge prevention device Jun. 7, 2005
6857442 Freeze protection device for wall hydrants/faucets Feb. 22, 2005
6832656 Valve for an internal fill up tool and associated method Dec. 21, 2004
6805154 Freeze protection device for wall hydrants/faucets Oct. 19, 2004
6676047 Double sealing valve Jan. 13, 2004
6648006 Valve and a method of closing a valve Nov. 18, 2003
6609532 Rotational connecting valve with quick disconnect Aug. 26, 2003
6561222 Container for fluids May. 13, 2003
6532986 Freeze protection device for wall hydrants/faucets Mar. 18, 2003

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