Inventor · disambiguated record
David G. Holloway
Also filed as: HOLLOWAY DAVID · HOLLOWAY DAVID G
11 granted patents·1 pending application·298 citations·filing 1976–2007
92Inventor score
Files withPARKER & HARPER COMPANIES INC5PARKER & HARPER MFG CO5PARKER AND HARPER MANUFACTURIN1WOODWARD GOVERNOR CO1
Top patents by PatentIndex Score
12 records- 0194US4087074ASpring return valve actuatorPARKER & HARPER MFG CO·Filed 1976·Granted May 2, 1978·47 cites·4 claims
- 0291US4046350APower actuated valvePARKER & HARPER MFG CO·Filed 1976·Granted Sep 6, 1977·55 cites·10 claims
- 0387US6708489B2Pneumatic actuatorPARKER & HARPER COMPANIES INC·Filed 2001·Granted Mar 23, 2004·30 cites·3 claims
- 0484US5647389AIndexable latching handle assembly for quarter-turn rotary valvesPARKER & HARPER COMPANIES INC·Filed 1995·Granted Jul 15, 1997·47 cites·20 claims
- 0570US4909275ALatching handlePARKER AND HARPER MANUFACTURIN·Filed 1987·Granted Mar 20, 1990·32 cites·5 claims
- 0664US4326627ALimit switch for rotary control devicePARKER & HARPER MFG CO·Filed 1979·Granted Apr 27, 1982·11 cites·3 claims
- 0762US4727899APilot valve assemblyPARKER & HARPER MFG CO·Filed 1986·Granted Mar 1, 1988·20 cites·6 claims
- 0861US5819775ALow flow rate valvePARKER & HARPER COMPANIES INC·Filed 1996·Granted Oct 13, 1998·21 cites·9 claims
- 0950US5460351AValve stem locking assemblyPARKER & HARPER COMPANIES INC·Filed 1994·Granted Oct 24, 1995·15 cites·15 claims
- 1048US4559966AValve handle with selectable stopsPARKER & HARPER MFG CO·Filed 1985·Granted Dec 24, 1985·13 cites·5 claims
- 1142US2008202590A1High Efficiency Valve Geometry For Pressure RegulatorWOODWARD GOVERNOR CO·Filed 2007·Application pending·0 cites
- 1236US5772177AValve latching device for single handed operationPARKER & HARPER COMPANIES INC·Filed 1997·Granted Jun 30, 1998·7 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →