using pulling members

Patents Grantslast 30 patents

  • Information Patent Grant

    Wedge driven pipe bending machine

    • Patent number 8,511,123
    • Issue date Aug 20, 2013
    • CRC-Evans Pipeline International, Inc.
    • Jeffrey C. Scoville
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Segmented pipe-bending die

    • Patent number 6,523,389
    • Issue date Feb 25, 2003
    • Daniel D. Girdner
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for laying pipelines on land

    • Patent number 4,452,550
    • Issue date Jun 5, 1984
    • Koninklijke Bos Kalis Westminster Group N.V.
    • Paul M. Hofmeester
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus and method for bending insulated piping

    • Patent number 4,446,713
    • Issue date May 8, 1984
    • Crutcher Resources Corporation
    • Lionel H. Wheeler
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Pipe bending apparatus

    • Patent number 4,313,330
    • Issue date Feb 2, 1982
    • James D. Cummings
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Portable hot pipe bending apparatus

    • Patent number 3,943,747
    • Issue date Mar 16, 1976
    • Tubeco, Inc.
    • Allan B. Wesler
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3851519

    • Patent number 3,851,519
    • Issue date Dec 3, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3834210

    • Patent number 3,834,210
    • Issue date Sep 10, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3335588

    • Patent number 3,335,588
    • Issue date Aug 15, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3060587

    • Patent number 3,060,587
    • Issue date Oct 30, 1962
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3009507

    • Patent number 3,009,507
    • Issue date Nov 21, 1961
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2970633

    • Patent number 2,970,633
    • Issue date Feb 7, 1961
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2771116

    • Patent number 2,771,116
    • Issue date Nov 20, 1956
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2740452

    • Patent number 2,740,452
    • Issue date Apr 3, 1956
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2740453

    • Patent number 2,740,453
    • Issue date Apr 3, 1956
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2708471

    • Patent number 2,708,471
    • Issue date May 17, 1955
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2697469

    • Patent number 2,697,469
    • Issue date Dec 21, 1954
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2694434

    • Patent number 2,694,434
    • Issue date Nov 16, 1954
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2589651

    • Patent number 2,589,651
    • Issue date Mar 18, 1952
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2547870

    • Patent number 2,547,870
    • Issue date Apr 3, 1951
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2500980

    • Patent number 2,500,980
    • Issue date Mar 21, 1950
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2456468

    • Patent number 2,456,468
    • Issue date Dec 14, 1948
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2433055

    • Patent number 2,433,055
    • Issue date Dec 23, 1947
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2428764

    • Patent number 2,428,764
    • Issue date Oct 7, 1947
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2347593

    • Patent number 2,347,593
    • Issue date Apr 25, 1944
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2286893

    • Patent number 2,286,893
    • Issue date Jun 16, 1942
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2273655

    • Patent number 2,273,655
    • Issue date Feb 17, 1942
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1342564

    • Patent number 1,342,564
    • Issue date Jun 8, 1920
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1290047

    • Patent number 1,290,047
    • Issue date Jan 7, 1919
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1155042

    • Patent number 1,155,042
    • Issue date Sep 28, 1915
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    Wedge Driven Pipe Bending Machine

    • Publication number 20130333434
    • Publication date Dec 19, 2013
    • CRC-Evans Pipeline International, Inc.
    • Jeffrey C. Scoville
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Wedge Driven Pipe Bending Machine

    • Publication number 20130333438
    • Publication date Dec 19, 2013
    • CRC-Evans Pipeline International, Inc.
    • Jeffrey C. Scoville
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Wedge Driven Pipe Bending Machine

    • Publication number 20110271734
    • Publication date Nov 10, 2011
    • Jeffrey C. Scoville
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Pipe Bending Machine

    • Publication number 20110259075
    • Publication date Oct 27, 2011
    • Bryan R. Kirchmer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Tubing bending machine

    • Publication number 20040250599
    • Publication date Dec 16, 2004
    • Larry Shed
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...