TREA

Dave Leppert

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  • Zwingle, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Impact detection system for industrial doors
    • Patent number 6,612,357
    • Issue date Sep 2, 2003
    • Rite-Hite Holding Corporation
    • Mark D. Beringer
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Resilient door panel
    • Patent number 6,360,487
    • Issue date Mar 26, 2002
    • Rite-Hite Holding Corporation
    • Rodney Kern
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Translating door with disengageable seals
    • Patent number 6,330,763
    • Issue date Dec 18, 2001
    • Rite-Hite Holding Corporation
    • Rodney Kern
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Sealing system for a roller door
    • Patent number 5,794,678
    • Issue date Aug 18, 1998
    • Rite-Hite Corporation
    • Mark D. Beringer
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Impact detection system for industrial doors
    • Patent number 5,743,317
    • Issue date Apr 28, 1998
    • Rite-Hite Corporation
    • Mark D. Beringer
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Roller door apparatus
    • Patent number 5,353,859
    • Issue date Oct 11, 1994
    • Rite-Hite Corporation
    • John Oltahfer
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Frost control system
    • Patent number 5,329,781
    • Issue date Jul 19, 1994
    • Rite-Hite Corporation
    • Nancy L. Farrey
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Frost control system
    • Patent number 5,203,175
    • Issue date Apr 20, 1993
    • Rite-Hite Corporation
    • Nancy L. Farrey
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    Resilient door panel
    • Publication number 20040172882
    • Publication date Sep 9, 2004
    • RITE-HITE HOLDING CORPORATION
    • Rodney Kern
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Resilient door panel
    • Publication number 20020092235
    • Publication date Jul 18, 2002
    • Rodney Kern
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    Translating door with disengageable seals
    • Publication number 20020017060
    • Publication date Feb 14, 2002
    • RITE-HITE HOLDING CORPORATION
    • Rodney Kern
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES