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John Powers

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  • Menlo Park, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Integrated linear generator system
    • Patent number 12,027,956
    • Issue date Jul 2, 2024
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Integrated linear generator system
    • Patent number 11,750,065
    • Issue date Sep 5, 2023
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Auto-braking for an electromagnetic machine
    • Patent number 11,652,432
    • Issue date May 16, 2023
    • Mainspring Energy, Inc.
    • Anthony Da Costa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Linear electromagnetic machine system
    • Patent number 11,616,428
    • Issue date Mar 28, 2023
    • Mainspring Energy, Inc.
    • John Lawler
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Integrated linear generator system
    • Patent number 11,404,937
    • Issue date Aug 2, 2022
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Auto-braking for an electromagnetic machine
    • Patent number 11,211,885
    • Issue date Dec 28, 2021
    • Mainspring Energy, Inc.
    • Anthony Da Costa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Linear electromagnetic machine system with bearing housings having...
    • Patent number 10,985,641
    • Issue date Apr 20, 2021
    • Mainspring Energy, Inc.
    • John Lawler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    DC-DC converter in a non-steady system
    • Patent number 10,916,991
    • Issue date Feb 9, 2021
    • Mainspring Energy, Inc.
    • Anthony Da Costa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Auto-braking for an electromagnetic machine
    • Patent number 10,715,068
    • Issue date Jul 14, 2020
    • Mainspring Energy, Inc.
    • Anthony Da Costa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    DC-DC converter in a non-steady system
    • Patent number 10,554,099
    • Issue date Feb 4, 2020
    • EtaGen, Inc.
    • Anthony Da Costa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Auto-braking for an electromagnetic machine
    • Patent number 10,404,199
    • Issue date Sep 3, 2019
    • EtaGen, Inc.
    • Anthony Da Costa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    INTEGRATED LINEAR GENERATOR SYSTEM
    • Publication number 20250030317
    • Publication date Jan 23, 2025
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    INTEGRATED LINEAR GENERATOR SYSTEM
    • Publication number 20240055946
    • Publication date Feb 15, 2024
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    AUTO-BRAKING FOR AN ELECTROMAGNETIC MACHINE
    • Publication number 20230246576
    • Publication date Aug 3, 2023
    • Mainspring Energy, Inc.
    • Anthony Da Costa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    LINEAR ELECTROMAGNETIC MACHINE SYSTEM
    • Publication number 20230198367
    • Publication date Jun 22, 2023
    • Mainspring Energy, Inc.
    • John Lawler
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    INTEGRATED LINEAR GENERATOR SYSTEM
    • Publication number 20220399784
    • Publication date Dec 15, 2022
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    AUTO-BRAKING FOR AN ELECTROMAGNETIC MACHINE
    • Publication number 20220173682
    • Publication date Jun 2, 2022
    • Mainspring Energy, Inc.
    • Anthony Da Costa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    LINEAR ELECTROMAGNETIC MACHINE SYSTEM
    • Publication number 20210288570
    • Publication date Sep 16, 2021
    • Mainspring Energy, Inc.
    • John Lawler
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    AUTO-BRAKING FOR AN ELECTROMAGNETIC MACHINE
    • Publication number 20200328707
    • Publication date Oct 15, 2020
    • Mainspring Energy, Inc.
    • Anthony Da Costa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    DC-DC CONVERTER IN A NON-STEADY SYSTEM
    • Publication number 20200227976
    • Publication date Jul 16, 2020
    • Mainspring Energy, Inc.
    • Anthony Da Costa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    INTEGRATED LINEAR GENERATOR SYSTEM
    • Publication number 20200195093
    • Publication date Jun 18, 2020
    • EtaGen, Inc.
    • Matt Svrcek
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    LINEAR ELECTROMAGNETIC MACHINE SYSTEM
    • Publication number 20200036273
    • Publication date Jan 30, 2020
    • EtaGen, Inc.
    • John Lawler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    AUTO-BRAKING FOR AN ELECTROMAGNETIC MACHINE
    • Publication number 20190149074
    • Publication date May 16, 2019
    • EtaGen, Inc.
    • Anthony Da Costa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    AUTO-BRAKING FOR AN ELECTROMAGNETIC MACHINE
    • Publication number 20190123668
    • Publication date Apr 25, 2019
    • EtaGen, Inc.
    • Anthony Da Costa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    DC-DC CONVERTER IN A NON-STEADY SYSTEM
    • Publication number 20190089225
    • Publication date Mar 21, 2019
    • EtaGen, Inc.
    • Anthony Da Costa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER