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Class Information
Number: 137/385
Name: Fluid handling > With lock or seal > Locks against rotary motion
Description: Apparatus with a lock means the proximate effect of which is to prevent rotation of a rotatable element.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8585010 Valve operated by a master key Nov. 19, 2013
8567445 Water flow restriction device and method Oct. 29, 2013
8444111 Combined valve May. 21, 2013
8444112 Locking Y-valve May. 21, 2013
8418515 Valve operated by a master key Apr. 16, 2013
8402798 Locking clamp Mar. 26, 2013
8365759 Locking fire hydrant Feb. 5, 2013
8353309 Hydrant lock Jan. 15, 2013
8347671 Lockout device Jan. 8, 2013
8161999 Swing valve Apr. 24, 2012
8113230 Simple axial locking of a valve shaft Feb. 14, 2012
8091587 Tamper-resistant water flow restriction system Jan. 10, 2012
7870767 Lockout device Jan. 18, 2011
7870867 Curb box lock Jan. 18, 2011
7845367 Lock device for operation pattern selecting valve Dec. 7, 2010
7731153 Handle for valves Jun. 8, 2010
7694938 Distal rate control device Apr. 13, 2010
7588050 Security cap for gas service valve Sep. 15, 2009
7581420 Lockout device Sep. 1, 2009
7390310 Shunt valve locking mechanism Jun. 24, 2008
7360554 Integrated gas meter bar device and locking shut-off valve Apr. 22, 2008
7347219 Meter bar and metering system Mar. 25, 2008
7334594 Apparatus and method for adjusting a locking mechanism of a shunt valve Feb. 26, 2008
7219685 Gate valve locking device May. 22, 2007
7207198 Valve lockout assembly Apr. 24, 2007
7152621 Integrated gas meters bar device and locking shut-off valve Dec. 26, 2006
7140211 Tamper detection security for a tank trailer Nov. 28, 2006
7117884 Valve locking device Oct. 10, 2006
7114698 Quarter turn valve locking device Oct. 3, 2006
7096882 Valve security device Aug. 29, 2006
7044148 Apparatus and method for selectively securing a valve in an open or closed position May. 16, 2006
6994106 Fire hydrant locking device Feb. 7, 2006
6959909 Actuating handle assembly Nov. 1, 2005
6920894 Valve security device Jul. 26, 2005
6918402 Flow control apparatus Jul. 19, 2005
6899128 Half ball valve May. 31, 2005
6880806 Actuator for driving rotary valve actuator and valve device with the actuator Apr. 19, 2005
6843083 Lockable valve cover Jan. 18, 2005
6832623 Gas meter valve and method Dec. 21, 2004
6786230 Valve lock Sep. 7, 2004
6691732 Hydrant security device Feb. 17, 2004
6648009 Tamper-proof ball valve Nov. 18, 2003
6622536 Ball valve lockout Sep. 23, 2003
6604391 Security lock assembly for shut-off valve Aug. 12, 2003
6568422 Valve locking mechanism and method May. 27, 2003
6494065 Valve lockout/tag out system Dec. 17, 2002
6467500 Ball valve locking device Oct. 22, 2002
6460383 Valve locking device Oct. 8, 2002
6453707 Device for locking channel opening-closing handle of fluid controller Sep. 24, 2002
6205827 Regulator torque isolation system and method Mar. 27, 2001

1 2 3 4










 
 
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