for hollow workpiece

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for preparing a surface for applying a thermally sprayed layer

    • Patent number 8,752,256
    • Issue date Jun 17, 2014
    • Ford Global Technologies, LLC
    • Clemens Maria Verpoort
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Rapper device

    • Patent number 8,656,567
    • Issue date Feb 25, 2014
    • Shell Oil Company
    • Alfons Heitmann
    • B08 - CLEANING
  • Information Patent Grant

    Rapper device

    • Patent number 8,621,732
    • Issue date Jan 7, 2014
    • Shell Oil Company
    • Alfons Heitmann
    • B08 - CLEANING
  • Information Patent Grant

    Method for removing oilfield mineral scale from pipes and tubing

    • Patent number 8,074,332
    • Issue date Dec 13, 2011
    • M-I Production Chemicals UK Limited
    • Richard W. Keatch
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Method for processing metal molding member having fine configuratio...

    • Patent number 7,730,597
    • Issue date Jun 8, 2010
    • Showa Denko K.K.
    • Kimihisa Hiramoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tip cleaning system for welding nozzle

    • Patent number 6,295,708
    • Issue date Oct 2, 2001
    • Dennis A. Spaid
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pipe cleaning tool

    • Patent number 5,809,603
    • Issue date Sep 22, 1998
    • James C. White
    • B08 - CLEANING
  • Information Patent Grant

    Pipe joint cleaner

    • Patent number 5,363,530
    • Issue date Nov 15, 1994
    • Jeffery D. Dunn
    • B08 - CLEANING
  • Information Patent Grant

    Water main scraper

    • Patent number 4,912,799
    • Issue date Apr 3, 1990
    • Lewis E. Coleman
    • B08 - CLEANING
  • Information Patent Grant

    Thread cleaning device

    • Patent number 4,530,127
    • Issue date Jul 23, 1985
    • Royce G. Roberts
    • B08 - CLEANING
  • Information Patent Grant

    Sleeve assembly

    • Patent number 4,198,789
    • Issue date Apr 22, 1980
    • The Texacone Company
    • John H. Wheeler
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Sanding sleeve assembly

    • Patent number 4,179,856
    • Issue date Dec 25, 1979
    • The Texacone Company
    • John H. Wheeler
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Wash water supplying drive head and scraper and cutter assembly

    • Patent number 4,165,626
    • Issue date Aug 28, 1979
    • Whetstine B. Pridy
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tubular member straightening, descaling and hydraulic testing appar...

    • Patent number 4,131,005
    • Issue date Dec 26, 1978
    • Whetstine B. Pridy
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Sleeve assembly

    • Patent number 4,123,990
    • Issue date Nov 7, 1978
    • The Texacone Company
    • John H. Wheeler
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Sleeve assembly

    • Patent number 4,089,137
    • Issue date May 16, 1978
    • The Texacone Company
    • John H. Wheeler
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Mechanism for adjustably positioning planetary machining elements

    • Patent number 4,033,075
    • Issue date Jul 5, 1977
    • The Fenn Manufacturing Company
    • Robert C. Verbickas
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Removal of coatings by rotating chain flails

    • Patent number 4,002,491
    • Issue date Jan 11, 1977
    • Shell Oil Company
    • Jose O. Esparza
    • B08 - CLEANING
  • Information Patent Grant

    3820184

    • Patent number 3,820,184
    • Issue date Jun 28, 1974
    • B08 - CLEANING
  • Information Patent Grant

    3763510

    • Patent number 3,763,510
    • Issue date Oct 9, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3605156

    • Patent number 3,605,156
    • Issue date Sep 20, 1971
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3331114

    • Patent number 3,331,114
    • Issue date Jul 18, 1967
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3214824

    • Patent number 3,214,824
    • Issue date Nov 2, 1965
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3104409

    • Patent number 3,104,409
    • Issue date Sep 24, 1963
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3018700

    • Patent number 3,018,700
    • Issue date Jan 30, 1962
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2996789

    • Patent number 2,996,789
    • Issue date Aug 22, 1961
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2925610

    • Patent number 2,925,610
    • Issue date Feb 23, 1960
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2860372

    • Patent number 2,860,372
    • Issue date Nov 18, 1958
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2641008

    • Patent number 2,641,008
    • Issue date Jun 9, 1953
    • B08 - CLEANING
  • Information Patent Grant

    2616108

    • Patent number 2,616,108
    • Issue date Nov 4, 1952
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents