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Frederick L. Erickson

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  • Fort Wayne, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Migrating combustion chamber engine
    • Patent number 5,626,106
    • Issue date May 6, 1997
    • Engine Research Associates, Inc.
    • Frederick L. Erickson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Self supercharged two stroked cycle and engine having migrating com...
    • Patent number 5,341,774
    • Issue date Aug 30, 1994
    • Frederick L. Erickson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hydraulically powered actuator with pneumatic spring and hydraulic...
    • Patent number 5,253,619
    • Issue date Oct 19, 1993
    • North American Philips Corporation
    • William E. Richeson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pilot operated hydraulic valve actuator
    • Patent number 5,248,123
    • Issue date Sep 28, 1993
    • North American Philips Corporation
    • William E. Richeson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Resilient hydraulic actuator
    • Patent number 5,221,072
    • Issue date Jun 22, 1993
    • North American Philips Corporation
    • Frederick L. Erickson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Cam actuated valve assembly with hydraulic spring
    • Patent number 5,203,535
    • Issue date Apr 20, 1993
    • North American Philips Corporation
    • William E. Richeson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Two-stroke-cycle engine with variable valve timing
    • Patent number 5,189,996
    • Issue date Mar 2, 1993
    • North American Philips Corporation
    • William E. Richeson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Highly efficient pneumatically powered hydraulically latched actuator
    • Patent number 5,152,260
    • Issue date Oct 6, 1992
    • North American Philips Corporation
    • Frederick L. Erickson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Spring driven hydraulic actuator
    • Patent number 5,125,371
    • Issue date Jun 30, 1992
    • North American Philips Corporation
    • Fredrick L. Erickson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pneumatic preloaded actuator
    • Patent number 5,109,812
    • Issue date May 5, 1992
    • North American Philips Corporation
    • Frederick L. Erickson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Two-stroke-cycle engine with variable valve timing
    • Patent number 5,083,533
    • Issue date Jan 28, 1992
    • North American Philips Corporation
    • William E. Richeson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hydraulically propelled phneumatically returned valve actuator
    • Patent number 5,058,538
    • Issue date Oct 22, 1991
    • North American Philips Corporation
    • Frederick L. Erickson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pneumatically powered valve actuator
    • Patent number 5,029,516
    • Issue date Jul 9, 1991
    • North American Philips Corporation
    • Frederick L. Erickson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Actuator with energy recovery return
    • Patent number 5,022,359
    • Issue date Jun 11, 1991
    • North American Philips Corporation
    • Frederick L. Erickson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pneumatically powered valve actuator
    • Patent number 5,003,938
    • Issue date Apr 2, 1991
    • Magnavox Government and Industrial Electronics Company
    • Frederick L. Erickson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compact valve actuator
    • Patent number 4,991,548
    • Issue date Feb 12, 1991
    • Magnavox Government and Industrial Electronics Company
    • William E. Richeson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fast acting valve
    • Patent number 4,967,702
    • Issue date Nov 6, 1990
    • Magnavox Government and Industrial Electronics Company
    • William E. Richeson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Electro-pneumatic actuator
    • Patent number 4,942,852
    • Issue date Jul 24, 1990
    • Magnavox Government and Industrial Electronics Company
    • William E. Richeson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pneumatic actuator
    • Patent number 4,915,015
    • Issue date Apr 10, 1990
    • Magnavox Government and Industrial Electronics Company
    • William E. Richeson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pneumatic bistable electronic valve actuator
    • Patent number 4,878,464
    • Issue date Nov 7, 1989
    • Magnavox Government and Industrial Electronics Company
    • William E. Richeson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Enhanced efficiency valve actuator
    • Patent number 4,875,441
    • Issue date Oct 24, 1989
    • Magnavox Government and Industrial Electronics Company
    • William E. Richeson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pneumatic actuator with solenoid operated control valves
    • Patent number 4,873,948
    • Issue date Oct 17, 1989
    • Magnavox Government and Industrial Electronics Company
    • William E. Richeson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Air powered valve actuator
    • Patent number 4,872,425
    • Issue date Oct 10, 1989
    • Magnavox Government and Industrial Electronics Company
    • William E. Richeson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pneumatic actuator with permanent magnet control valve latching
    • Patent number 4,852,528
    • Issue date Aug 1, 1989
    • Magnavox Government and Industrial Electronics Company
    • William E. Richeson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Dual-expansion internal combustion cycle and engine
    • Patent number 4,437,437
    • Issue date Mar 20, 1984
    • Frederick L. Erickson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Dual-expansion internal combustion engine utilizing an oscillating...
    • Patent number 4,353,331
    • Issue date Oct 12, 1982
    • Frederick L. Erickson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Dual-expansion internal combustion cycle and engine
    • Patent number 4,325,331
    • Issue date Apr 20, 1982
    • Frederick L. Erickson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    High displacement-to-size ratio orbiting fluid mechanism
    • Patent number 4,110,060
    • Issue date Aug 29, 1978
    • Frederick L. Erickson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High displacement-to-size ratio rotary fluid mechanism
    • Patent number 4,090,817
    • Issue date May 23, 1978
    • Frederick L. Erickson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES