TREA

NATHAN THOMPSON

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  • HARRISBURG, SD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dual integrated air heating system
    • Patent number 11,739,987
    • Issue date Aug 29, 2023
    • JR Koop, Inc.
    • Curtis A. Kallhoff
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Air heating apparatus
    • Patent number 9,816,425
    • Issue date Nov 14, 2017
    • JR Koop, Inc.
    • Richard R. Koopmann
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Air heating apparatus
    • Patent number 9,366,170
    • Issue date Jun 14, 2016
    • JR Koop, Inc.
    • Richard R. Koopmann
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents