TREA

Philip A. Hoffman

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  • Towson, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Current regulating circuit
    • Patent number 4,658,199
    • Issue date Apr 14, 1987
    • Solid State Charger Research and Development
    • Philip A. Hoffman
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Current regulating circuit
    • Patent number 4,531,083
    • Issue date Jul 23, 1985
    • Solid State Chargers Research and Development Limited Partnership
    • Philip A. Hoffman
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Power supply with current regulating circuit
    • Patent number 4,531,084
    • Issue date Jul 23, 1985
    • Solid State Chargers Research and Development Limited Partnership
    • Philip A. Hoffman
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Regulated power supply with current regulating circuit
    • Patent number 4,516,067
    • Issue date May 7, 1985
    • Solid State Chargers Research and Development Limited Partnership
    • Philip A. Hoffman
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Current regulating circuit
    • Patent number 4,504,774
    • Issue date Mar 12, 1985
    • Solid State Chargers Research and Development Limited Partnership
    • Philip A. Hoffman
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Battery charging circuit
    • Patent number 3,970,912
    • Issue date Jul 20, 1976
    • Philip A. Hoffman
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Battery charging circuit
    • Patent number 3,943,423
    • Issue date Mar 9, 1976
    • Philip A. Hoffman
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER