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Heath F. Hofmann

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  • Ann Arbor, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Brushless, self-excited synchronous field-winding machine
    • Patent number 10,770,999
    • Issue date Sep 8, 2020
    • The Regents of the University of Michigan
    • Heath F. Hofmann
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electromechanical flywheel device
    • Patent number 9,831,742
    • Issue date Nov 28, 2017
    • ROTONIX HONG KONG LIMITED
    • Claude Michael Kalev
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Hybrid power and energy for robots
    • Patent number 9,688,152
    • Issue date Jun 27, 2017
    • The Penn State Research Foundation
    • Karl Martin Reichard
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Electromechanical flywheels
    • Patent number 9,673,680
    • Issue date Jun 6, 2017
    • ROTONIX HONG KONG LIMITED
    • Claude Michael Kalev
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Homopolar motor-generators
    • Patent number 9,548,645
    • Issue date Jan 17, 2017
    • ROTONIX HONG KONG LIMITED
    • Claude Michael Kalev
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electromechanical flywheel
    • Patent number 9,148,037
    • Issue date Sep 29, 2015
    • ROTONIX HONG KONG LIMITED
    • Claude Michael Kalev
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Homopolar motor-generator
    • Patent number 8,917,004
    • Issue date Dec 23, 2014
    • Rotonix Hong Kong Limited
    • Claude Michael Kalev
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Brushless, Self-Excited Synchronous Field-Winding Machine
    • Publication number 20190319567
    • Publication date Oct 17, 2019
    • The Regents of the University of Michigan
    • Heath F. HOFMANN
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    TRACTION SYSTEM FOR VEHICLE
    • Publication number 20170210220
    • Publication date Jul 27, 2017
    • DENSO International America, Inc.
    • Zifu WANG
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ELECTROMECHANICAL FLYWHEEL DEVICE
    • Publication number 20150123505
    • Publication date May 7, 2015
    • ROTONIX HONG KONG LIMITED
    • Claude Michael Kalev
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    HOMOPOLAR MOTOR-GENERATORS
    • Publication number 20150097459
    • Publication date Apr 9, 2015
    • ROTONIX HONG KONG LIMITED
    • Claude Michael Kalev
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTROMECHANICAL FLYWHEELS
    • Publication number 20140300227
    • Publication date Oct 9, 2014
    • Claude Michael Kalev
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTROMECHANICAL FLYWHEEL
    • Publication number 20140084756
    • Publication date Mar 27, 2014
    • Claude Michael Kalev
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    HOMOPOLAR MOTOR-GENERATOR
    • Publication number 20140084714
    • Publication date Mar 27, 2014
    • Claude Michael Kalev
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    HYBRID POWER AND ENERGY FOR ROBOTS
    • Publication number 20130020865
    • Publication date Jan 24, 2013
    • The Penn State Research Foundation
    • Karl Martin Reichard
    • B60 - VEHICLES IN GENERAL