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Class Information
Number: 251/289
Name: Valves and valve actuation > Valve actuable from plural positions
Description: Subject matter wherein the valve is provided with means so that it may be actuated from any of a plurality of positions, the plural possibilities existing at the same time.










Patents under this class:

Patent Number Title Of Patent Date Issued
8467907 Automated valve with self-contained valve actuator system Jun. 18, 2013
8328162 Pivotable control valve assembly for water treatment device Dec. 11, 2012
7418885 Device for driving a plurality of hydraulic shift cylinders and hydraulic supply system for a twin-clutch transmission Sep. 2, 2008
7353652 Hydraulically operated loading apparatus with dual three-function joystick controls Apr. 8, 2008
7173539 Condition assessment system and method Feb. 6, 2007
6902704 Injection pump assembly for a combinatorial reactor and related method Jun. 7, 2005
6877718 Remote shutdown system and method Apr. 12, 2005
6708726 Valve driving apparatus Mar. 23, 2004
6684898 Dual actuator air turbine starter valve Feb. 3, 2004
6102366 Balanced valve operated by the axial driving of a stem displacing a special elastomeric sealing body Aug. 15, 2000
5788217 Cuspidor water supply valving Aug. 4, 1998
5439028 Modular valve for a building standpipe Aug. 8, 1995
5356285 Flame size control apparatus for a gas burner Oct. 18, 1994
5295503 Modular valve for a building standpipe Mar. 22, 1994
5168901 Fluid communication manifold and control system Dec. 8, 1992
5042363 Device for remote control, with possibility for direct control, hydraulic directional valves Aug. 27, 1991
4945874 Throttle body having interconnecting lever for converting an operational amount of accelerator to an opening of throttle valve Aug. 7, 1990
4856622 Auxiliary actuation mechanism for a brake assembly Aug. 15, 1989
4630644 Dual operated metering valve connected to both a hand operated push button and a foot operated push button Dec. 23, 1986
4540301 Apparatus for applying liquid coatings Sep. 10, 1985
4440379 Bottom operator for top operated bottom installed tank car valve assembly Apr. 3, 1984
4313591 Combination top operable and bottom operable tank lading valve assembly Feb. 2, 1982
4310145 Combination top operable and bottom operable tank lading valve assembly Jan. 12, 1982
4280679 Dually-operated tank car bottom unloading valve Jul. 28, 1981
4272053 Combination top operable and bottom operable tank lading valve assembly Jun. 9, 1981
4240607 Top operated tank car lading valve also operable from the bottom Dec. 23, 1980
4237934 Vacuum flush water closet Dec. 9, 1980
4232709 Four-way ball valve Nov. 11, 1980
4180243 Automatic and manual linear reversion control mechanism Dec. 25, 1979
4099702 Double handle self-locking mechanism for manual operation of a cock key Jul. 11, 1978
4069836 Brake pipe end cock with double-ended handle to permit operation from either side of the car Jan. 24, 1978











 
 
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