Inventor · disambiguated record
Roger G. Massey
Also filed as: MASSEY ROGER · MASSEY ROGER G
12 granted patents·273 citations·filing 1976–2001
93Inventor score
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
- 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
- 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
- 0862US4193579ADetachable handle for control devicesPARKER & HARPER MFG CO·Filed 1977·Granted Mar 18, 1980·18 cites·3 claims
- 0959US7025330B2Bar-stock ball valvePARKER & HARPER COMPANIES INC·Filed 2000·Granted Apr 11, 2006·9 cites·7 claims
- 1048US4559966AValve handle with selectable stopsPARKER & HARPER MFG CO·Filed 1985·Granted Dec 24, 1985·13 cites·5 claims
- 1144US5411048AFluid control valve with latching handle assemblyPARKER & HARPER COMPANIES INC·Filed 1994·Granted May 2, 1995·11 cites·8 claims
- 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 →