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Theodore H. Krengel

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  • Flossmore, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of coating welded tubes
    • Patent number 7,223,447
    • Issue date May 29, 2007
    • IDOD Systems, LLC
    • Curtis R. Brown
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Method and apparatus for coating the seams of welded tubes
    • Patent number 6,290,786
    • Issue date Sep 18, 2001
    • The IDOD Trust
    • Curt Brown
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of coating the seams of a welded tube
    • Patent number 6,042,659
    • Issue date Mar 28, 2000
    • The IDOD Trust
    • Curt Brown
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of forming seamed metal tube
    • Patent number 6,018,859
    • Issue date Feb 1, 2000
    • The IDOD Trust
    • John J. Borzym
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of forming seamed metal tube
    • Patent number 5,915,421
    • Issue date Jun 29, 1999
    • The IDOD Trust
    • John J. Borzym
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Continuous tube forming and coating
    • Patent number 5,860,204
    • Issue date Jan 19, 1999
    • The IDOD Trust
    • Theodore H. Krengel
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of forming seamed metal tube
    • Patent number 5,732,874
    • Issue date Mar 31, 1998
    • The IDOD Trust
    • John J. Borzym
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Continuous tube forming and coating
    • Patent number 5,651,819
    • Issue date Jul 29, 1997
    • The IDOD Trust
    • Theodore H. Krengel
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of forming seamed metal tube
    • Patent number RE35378
    • Issue date Nov 19, 1996
    • The IDOD Trust
    • Theodore H. Krengel
    • 228 - Metal fusion bonding
  • Information Patent Grant

    Method of forming seamed metal tube
    • Patent number 5,344,062
    • Issue date Sep 6, 1994
    • The IDOD Trust
    • Theodore H. Krengel
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Mill for roll forming a fluted tube
    • Patent number 4,603,807
    • Issue date Aug 5, 1986
    • Allied Tube & Conduit Corporation
    • Theodore H. Krengel
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD OF COATING A SUBSTRATE
    • Publication number 20150354049
    • Publication date Dec 10, 2015
    • HOT DIP SOLUTIONS, LLC
    • Theodore H. Krengel
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    METHOD OF COATING A SUBSTRATE
    • Publication number 20100266783
    • Publication date Oct 21, 2010
    • HOT DIP SOLUTIONS, LLC
    • Theodore A. Krengel
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Pipe coupling and method
    • Publication number 20060103136
    • Publication date May 18, 2006
    • Theodore H Krengel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Method of coating welded tubes
    • Publication number 20060035027
    • Publication date Feb 16, 2006
    • Curtis R. Brown
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...