Tools having provision to produce threads of more than one type or size

Patents Grantslast 30 patents

  • Information Patent Grant

    Compound die for dual thread forming

    • Patent number 9,643,237
    • Issue date May 9, 2017
    • Mark Doll
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Self-advancing step-tap tool

    • Patent number 7,357,606
    • Issue date Apr 15, 2008
    • United States of America as represented by the Administrator of the National...
    • Donald R. Pettit
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    271652

    • Patent number 271,652
    • Issue date Feb 6, 1883
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    SCREW TAP WITH REPLACEABLE TOOL BIT

    • Publication number 20160263686
    • Publication date Sep 15, 2016
    • YIH TROUN ENTERPRISE CO., LTD.
    • Li-Cheng CHEN
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR