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Michael J. Protas

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  • Golden Valley, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing gasket for a clamp
    • Patent number 7,052,052
    • Issue date May 30, 2006
    • Donaldson Company, Inc.
    • Michael J. Protas
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flexible hose and method for manufacturing
    • Patent number 6,311,736
    • Issue date Nov 6, 2001
    • Donaldson Company, Inc.
    • John T. Herman
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    U-bolt clamp for sealing lap joints
    • Patent number 6,234,541
    • Issue date May 22, 2001
    • Donaldson Company, Inc.
    • Wayne M. Wagner
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    U-bolt clamp
    • Patent number D436028
    • Issue date Jan 9, 2001
    • Donaldson Company, Inc.
    • Wayne M. Wagner
    • D08 - Tools and hardware
  • Information Patent Grant

    Pipe lap joint and methods
    • Patent number 6,123,369
    • Issue date Sep 26, 2000
    • Donaldson Company, Inc.
    • Wayne M. Wagner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Sealing gasket for a clamp
    • Publication number 20040178632
    • Publication date Sep 16, 2004
    • Donaldson Company, Inc.
    • Michael J. Protas
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    FLEXIBLE HOSE AND METHOD FOR MANUFACTURING
    • Publication number 20010015233
    • Publication date Aug 23, 2001
    • Donaldson Company, Inc.
    • JOHN T. HERMAN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...