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Dennis P. Long

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  • Monroe City, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Three phase medium voltage heater
    • Patent number 12,156,301
    • Issue date Nov 26, 2024
    • Watlow Electric Manufacturing Company
    • Ethan Dinauer
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Variable pitch resistance coil heater
    • Patent number 11,116,045
    • Issue date Sep 7, 2021
    • Watlow Electric Manufacturing Company
    • Scott Boehmer
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Variable pitch resistance coil heater
    • Patent number 11,102,848
    • Issue date Aug 24, 2021
    • Watlow Electric Manufacturing Company
    • Scott Boehmer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Variable pitch resistance coil heater
    • Patent number 10,477,622
    • Issue date Nov 12, 2019
    • Watlow Electric Manufacturing Company
    • Scott Boehmer
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Variable pitch resistance coil heater
    • Patent number 9,345,070
    • Issue date May 17, 2016
    • Watlow Electric Manufacturing Company
    • Dennis P. Long
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Variable pitch resistance coil heater
    • Patent number 9,113,501
    • Issue date Aug 18, 2015
    • Watlow Electric Manufacturing Company
    • Dennis P. Long
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rapid response electric heat exchanger
    • Patent number 6,944,394
    • Issue date Sep 13, 2005
    • Watlow Electric Manufacturing Company
    • Dennis P. Long
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Hot-toe multicell electric heater
    • Patent number 6,414,281
    • Issue date Jul 2, 2002
    • Watlow Electric Manufacturing Company
    • Dennis P. Long
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    ENCAPSULATED BUS CIRCUIT FOR FLUID HEATING SYSTEMS
    • Publication number 20220196283
    • Publication date Jun 23, 2022
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Jacob R. LINDLEY
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    THREE PHASE MEDIUM VOLTAGE HEATER
    • Publication number 20210136876
    • Publication date May 6, 2021
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Ethan DINAUER
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    VARIABLE PITCH RESISTANCE COIL HEATER
    • Publication number 20190200418
    • Publication date Jun 27, 2019
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Scott BOEHMER
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    VARIABLE PITCH RESISTANCE COIL HEATER
    • Publication number 20190200417
    • Publication date Jun 27, 2019
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Scott BOEHMER
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    VARIABLE PITCH RESISTANCE COIL HEATER
    • Publication number 20160295641
    • Publication date Oct 6, 2016
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Scott Boehmer
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    VARIABLE PITCH RESISTANCE COIL HEATER
    • Publication number 20150289320
    • Publication date Oct 8, 2015
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Dennis P. Long
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    VARIABLE PITCH RESISTANCE COIL HEATER
    • Publication number 20130313246
    • Publication date Nov 28, 2013
    • WATLOW ELECTRIC MANUFACTURING COMPANY
    • Dennis P. Long
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Rapid response electric heat exchanger
    • Publication number 20030138244
    • Publication date Jul 24, 2003
    • Dennis P. Long
    • F24 - HEATING RANGES VENTILATING