TREA

David B. Krupnick

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  • Mattituck, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hanger for supporting an air handler
    • Patent number D959870
    • Issue date Aug 9, 2022
    • Duro Dyne Corporation
    • Andrew J. Bellise
    • D06 - Furnishings
  • Information Patent Grant

    Pin spotting system with modular welding source
    • Patent number 11,318,554
    • Issue date May 3, 2022
    • Duro Dyne Corporation
    • Andrew J. Bellise
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hanger for supporting an air handler
    • Patent number 11,313,579
    • Issue date Apr 26, 2022
    • Duro Dyne Corporation
    • Andrew J. Bellise
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Eyelet assembly
    • Patent number 10,774,900
    • Issue date Sep 15, 2020
    • Duro Dyne Corporation
    • Andrew J. Bellise
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    HANGER FOR SUPPORTING AN AIR HANDLER
    • Publication number 20220154969
    • Publication date May 19, 2022
    • Duro Dyne Corporation
    • Andrew J. Bellise
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PITTSBURGH HAND TOOL
    • Publication number 20200230685
    • Publication date Jul 23, 2020
    • Duro Dyne Corporation
    • Andrew J. Bellise
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    VANE LOCKING APPARATUS
    • Publication number 20200063771
    • Publication date Feb 27, 2020
    • Duro Dyne Corporation
    • Andrew J. BELLISE
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    PIN SPOTTING SYSTEM WITH MODULAR WELDING SOURCE
    • Publication number 20190381598
    • Publication date Dec 19, 2019
    • Duro Dyne Corporation
    • Andrew J. BELLISE
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    VANE CUTTING APPARATUS
    • Publication number 20190381585
    • Publication date Dec 19, 2019
    • Duro Dyne Corporation
    • Andrew J. BELLISE
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    EYELET ASSEMBLY
    • Publication number 20190338828
    • Publication date Nov 7, 2019
    • Duro Dyne Corporation
    • Andrew J. Bellise
    • F21 - LIGHTING
  • Information Patent Application

    SEAM LOCKING APPARATUS
    • Publication number 20190219298
    • Publication date Jul 18, 2019
    • Duro Dyne Corporation
    • Andrew J. Bellise
    • F24 - HEATING RANGES VENTILATING