Inventor · disambiguated record
Frederick L. Erickson
Also filed as: ERICKSON FREDERICK L · ERICKSON FREDERICK LYNN
28 granted patents·627 citations·filing 1976–1996
97Inventor score
Top patents by PatentIndex Score
28 records- 0196US5248123APilot operated hydraulic valve actuatorPHILIPS CORP·Filed 1991·Granted Sep 28, 1993·81 cites·12 claims
- 0296US4878464APneumatic bistable electronic valve actuatorMAGNAVOX CO·Filed 1988·Granted Nov 7, 1989·77 cites·15 claims
- 0394US5253619AHydraulically powered actuator with pneumatic spring and hydraulic latchingPHILIPS CORP·Filed 1992·Granted Oct 19, 1993·65 cites·20 claims
- 0491US5152260AHighly efficient pneumatically powered hydraulically latched actuatorPHILIPS CORP·Filed 1991·Granted Oct 6, 1992·54 cites·21 claims
- 0584US4852528APneumatic actuator with permanent magnet control valve latchingMAGNAVOX CO·Filed 1988·Granted Aug 1, 1989·44 cites·15 claims
- 0678US5058538AHydraulically propelled phneumatically returned valve actuatorPHILIPS CORP·Filed 1990·Granted Oct 22, 1991·32 cites·13 claims
- 0768US4437437ADual-expansion internal combustion cycle and engineERICKSON FREDERICK L·Filed 1982·Granted Mar 20, 1984·20 cites·53 claims
- 0867US4330895AStabilizer for reducing motion of an object disposed in a fluidUS NAVY·Filed 1979·Granted May 25, 1982·22 cites·23 claims
- 0964US4967702AFast acting valveMAGNAVOX CO·Filed 1989·Granted Nov 6, 1990·18 cites·6 claims
- 1063US4325331ADual-expansion internal combustion cycle and engineERICKSON FREDERICK L·Filed 1980·Granted Apr 20, 1982·18 cites·8 claims
- 1162US5189996ATwo-stroke-cycle engine with variable valve timingPHILIPS CORP·Filed 1991·Granted Mar 2, 1993·18 cites·3 claims
- 1262US4915015APneumatic actuatorMAGNAVOX CO·Filed 1989·Granted Apr 10, 1990·17 cites·16 claims
- 1357US5083533ATwo-stroke-cycle engine with variable valve timingPHILIPS CORP·Filed 1989·Granted Jan 28, 1992·14 cites·15 claims
- 1455US4942852AElectro-pneumatic actuatorMAGNAVOX CO·Filed 1989·Granted Jul 24, 1990·14 cites·11 claims
- 1554US5109812APneumatic preloaded actuatorPHILIPS CORP·Filed 1991·Granted May 5, 1992·16 cites·11 claims
- 1654US5022359AActuator with energy recovery returnPHILIPS CORP·Filed 1990·Granted Jun 11, 1991·16 cites·24 claims
- 1753US5221072AResilient hydraulic actuatorPHILIPS CORP·Filed 1992·Granted Jun 22, 1993·15 cites·10 claims
- 1853US4875441AEnhanced efficiency valve actuatorMAGNAVOX CO·Filed 1989·Granted Oct 24, 1989·13 cites·23 claims
- 1947US4991548ACompact valve actuatorMAGNAVOX CO·Filed 1989·Granted Feb 12, 1991·10 cites·3 claims
- 2046US5341774ASelf supercharged two stroked cycle and engine having migrating combustion chambersERICKSON FREDERICK L·Filed 1993·Granted Aug 30, 1994·11 cites·20 claims
- 2146US5003938APneumatically powered valve actuatorMAGNAVOX CO·Filed 1989·Granted Apr 2, 1991·8 cites·20 claims
- 2244US5029516APneumatically powered valve actuatorPHILIPS CORP·Filed 1990·Granted Jul 9, 1991·11 cites·16 claims
- 2344US4110060AHigh displacement-to-size ratio orbiting fluid mechanismERICKSON FREDERICK L·Filed 1976·Granted Aug 29, 1978·7 cites·10 claims
- 2437US4872425AAir powered valve actuatorMAGNAVOX CO·Filed 1989·Granted Oct 10, 1989·5 cites·24 claims
- 2537US4090817AHigh displacement-to-size ratio rotary fluid mechanismERICKSON FREDERICK L·Filed 1976·Granted May 23, 1978·5 cites·7 claims
- 2636US5626106AMigrating combustion chamber engineENGINE RESEARCH ASSOCIATES INC·Filed 1996·Granted May 6, 1997·8 cites·22 claims
- 2736US4353331ADual-expansion internal combustion engine utilizing an oscillating piston inside an oscillating pistonERICKSON FREDERICK L·Filed 1980·Granted Oct 12, 1982·5 cites·22 claims
- 2831US5203535ACam actuated valve assembly with hydraulic springPHILIPS CORP·Filed 1991·Granted Apr 20, 1993·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →