Assignee
PARKER & HARPER COMPANIES INC
US·10 granted patents·207 citations·filing 1994–2007
Top patents by PatentIndex Score
10 records- 0188US7040670B2Coupling apparatusPARKER & HARPER COMPANIES INC·Filed 2003·Granted May 9, 2006·46 cites·10 claims
- 0287US6708489B2Pneumatic actuatorPARKER & HARPER COMPANIES INC·Filed 2001·Granted Mar 23, 2004·30 cites·3 claims
- 0384US5647389AIndexable latching handle assembly for quarter-turn rotary valvesPARKER & HARPER COMPANIES INC·Filed 1995·Granted Jul 15, 1997·47 cites·20 claims
- 0476US6361019B1Fastening system for connecting actuators, or other attachable devices, to rotary valvesPARKER & HARPER COMPANIES INC·Filed 2000·Granted Mar 26, 2002·20 cites·12 claims
- 0561US5819775ALow flow rate valvePARKER & HARPER COMPANIES INC·Filed 1996·Granted Oct 13, 1998·21 cites·9 claims
- 0659US7025330B2Bar-stock ball valvePARKER & HARPER COMPANIES INC·Filed 2000·Granted Apr 11, 2006·9 cites·7 claims
- 0754US7654504B2Power actuated valvePARKER & HARPER COMPANIES INC·Filed 2007·Granted Feb 2, 2010·1 cites·12 claims
- 0850US5460351AValve stem locking assemblyPARKER & HARPER COMPANIES INC·Filed 1994·Granted Oct 24, 1995·15 cites·15 claims
- 0944US5411048AFluid control valve with latching handle assemblyPARKER & HARPER COMPANIES INC·Filed 1994·Granted May 2, 1995·11 cites·8 claims
- 1036US5772177AValve latching device for single handed operationPARKER & HARPER COMPANIES INC·Filed 1997·Granted Jun 30, 1998·7 cites·5 claims
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