TREA

Wilbur Allen Spraker Jr.

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  • Indianapolis, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air cycle refrigeration system
    • Patent number 4,840,036
    • Issue date Jun 20, 1989
    • Household Manufacturing, Inc.
    • Wilbur A. Spraker
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Free floating divider wall turbine housing
    • Patent number 4,384,821
    • Issue date May 24, 1983
    • Wallace Murray Corporation
    • Arthur H. Mains
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Air supply control system
    • Patent number 4,149,371
    • Issue date Apr 17, 1979
    • Wallace Murray Corporation
    • Wilbur A. Spraker
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Variable exducer turbine control
    • Patent number 3,994,620
    • Issue date Nov 30, 1976
    • Wallace Murray Corporation
    • Wilbur Allen Spraker
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS