TREA

Edward J. Schaefer

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  • Bluffton, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for making permanent magnet rotors
    • Patent number 4,918,802
    • Issue date Apr 24, 1990
    • Franklin Electric Co., Inc.
    • Edward J. Schaefer
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Permanent magnet rotor for electric motor
    • Patent number 4,742,259
    • Issue date May 3, 1988
    • Franklin Electric Co., Inc.
    • Edward J. Schaefer
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric submersible motor with dual snap ring clamp
    • Patent number 4,684,837
    • Issue date Aug 4, 1987
    • Franklin Electric Co., Inc.
    • Edward J. Schaefer
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric motor control
    • Patent number 4,628,236
    • Issue date Dec 9, 1986
    • Franklin Electric Co., Inc.
    • Edward J. Schaefer
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Start winding cut-out circuit for an electric motor
    • Patent number 4,325,012
    • Issue date Apr 13, 1982
    • Franklin Electric Co., Inc.
    • Edward J. Schaefer
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric motor construction
    • Patent number 4,297,627
    • Issue date Oct 27, 1981
    • Franklin Electric Co., Inc.
    • Edward J. Schaefer
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Start winding cut-out circuit for an electric motor
    • Patent number 4,292,555
    • Issue date Sep 29, 1981
    • Franklin Electric Co., Inc.
    • Edward J. Schaefer
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Centrifugal mechanism and switch
    • Patent number 4,289,988
    • Issue date Sep 15, 1981
    • Franklin Electric Co., Inc.
    • Edward J. Schaefer
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER