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twist-drills screw-taps

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Industry

  • CPC
  • B21H3/10
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21HMAKING PARTICULAR METAL OBJECTS BY ROLLING B21H3/00Making helical bodies or bodies having parts of helical shape

Current Industry

B21H3/10twist-drills screw-taps
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Cutting tool with enhanced chip evacuation capability and method of...
    • Patent number 10,682,712
    • Issue date Jun 16, 2020
    • Kennametal Inc.
    • Leonid Boris Sharivker
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Twist drill and production method
    • Patent number 10,252,321
    • Issue date Apr 9, 2019
    • Hilti Aktiengesellschaft
    • Corinna Achleitner
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Twist drill and production method
    • Patent number 10,245,657
    • Issue date Apr 2, 2019
    • Hilti Aktiengesellschaft
    • Corinna Achleitner
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of machining screw
    • Patent number 10,173,257
    • Issue date Jan 8, 2019
    • Nittan Valve Co., Ltd.
    • Michihiro Kameda
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Device for producing a circularly cylindrical body
    • Patent number 9,044,797
    • Issue date Jun 2, 2015
    • Arno Friedrichs
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and device for producing a circularly cylindrical body, whic...
    • Patent number 8,850,861
    • Issue date Oct 7, 2014
    • Arno Friedrichs
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Twist drill
    • Patent number 6,601,659
    • Issue date Aug 5, 2003
    • Hilti Aktiengesellschaft
    • Robert S. Saitta
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Process for the fabrication of a multi-blade tool
    • Patent number 5,782,145
    • Issue date Jul 21, 1998
    • Karl Metzger
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of forming rotary drilling tools
    • Patent number 5,746,095
    • Issue date May 5, 1998
    • Hilti Aktiengesellschaft
    • Dieter Sohnlein
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of forming a drill bit with debris conveying flute
    • Patent number 5,690,003
    • Issue date Nov 25, 1997
    • Black & Decker Inc.
    • Michael R. Resendez
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit with debris conveying flute
    • Patent number 5,641,028
    • Issue date Jun 24, 1997
    • Black & Decker Inc.
    • Michael R. Resendez
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of roll forming a skip threading tap
    • Patent number 4,794,821
    • Issue date Jan 3, 1989
    • Shanghai Bicycle Factory
    • Jiang Y. Geng
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for the production of machine tools
    • Patent number 4,059,031
    • Issue date Nov 22, 1977
    • Frank F. Erdelyi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3893353
    • Patent number 3,893,353
    • Issue date Jul 8, 1975
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3751959
    • Patent number 3,751,959
    • Issue date Aug 14, 1973
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3503237
    • Patent number 3,503,237
    • Issue date Mar 31, 1970
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3390410
    • Patent number 3,390,410
    • Issue date Jul 2, 1968
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3347077
    • Patent number 3,347,077
    • Issue date Oct 17, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3258797
    • Patent number 3,258,797
    • Issue date Jul 5, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3251080
    • Patent number 3,251,080
    • Issue date May 17, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3248747
    • Patent number 3,248,747
    • Issue date May 3, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3209383
    • Patent number 3,209,383
    • Issue date Oct 5, 1965
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3171146
    • Patent number 3,171,146
    • Issue date Mar 2, 1965
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2656740
    • Patent number 2,656,740
    • Issue date Oct 27, 1953
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2556174
    • Patent number 2,556,174
    • Issue date Jun 12, 1951
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2335418
    • Patent number 2,335,418
    • Issue date Nov 30, 1943
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    382710
    • Patent number 382,710
    • Issue date May 15, 1888
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    Drill Bit and Production Method
    • Publication number 20180171721
    • Publication date Jun 21, 2018
    • HILTI AKTIENGESELLSCHAFT
    • Guenter DOMANI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    METHOD OF MACHINING SCREW
    • Publication number 20180050383
    • Publication date Feb 22, 2018
    • NITTAN VALVE CO., LTD.
    • Michihiro KAMEDA
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    TWIST DRILL AND PRODUCTION METHOD
    • Publication number 20170348760
    • Publication date Dec 7, 2017
    • HILTI AKTIENGESELLSCHAFT
    • Corinna ACHLEITNER
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    DRILL AND PRODUCTION METHOD FOR A DRILL
    • Publication number 20140328641
    • Publication date Nov 6, 2014
    • HILTI AKTIENGESELLSCHAFT
    • Carsten Peters
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD AND DEVICE FOR PRODUCING A CIRCULARLY CYLINDRICAL BODY, WHIC...
    • Publication number 20110113846
    • Publication date May 19, 2011
    • Arno Friedrichs
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Twist drill
    • Publication number 20020170752
    • Publication date Nov 21, 2002
    • Robert S. Saitta
    • B28 - WORKING CEMENT, CLAY, OR STONE