characterised by use of rolls having circumferentially varying profile; Die-rolling

Patents Grantslast 30 patents

  • Information Patent Grant

    Scattered topography rolling of powered metal gears

    • Patent number 11,707,792
    • Issue date Jul 25, 2023
    • GM Global Technology Operations LLC
    • Jason L. Austin
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Stretch rolling method and stretch rolling unit

    • Patent number 11,498,116
    • Issue date Nov 15, 2022
    • SMS GROUP GMBH
    • Stephan Ackermann
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for manufacturing ring-rolled product

    • Patent number 11,135,642
    • Issue date Oct 5, 2021
    • Hitachi Metals, Ltd.
    • Takuya Murai
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Bending forge rolling

    • Patent number 10,583,476
    • Issue date Mar 10, 2020
    • Hirschvogel Umformtechnik GmbH
    • Holger Beyersdorfer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus and method for attaching and testing a sleeve with a coup...

    • Patent number 10,330,575
    • Issue date Jun 25, 2019
    • Wireteknik AB
    • Jesper Ott
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Production method for a semi-finished product

    • Patent number 9,782,820
    • Issue date Oct 10, 2017
    • Hilti Aktiengesellschaft
    • Michael Selb
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Production method for a semi-finished product and semi-finished pro...

    • Patent number 9,718,115
    • Issue date Aug 1, 2017
    • Hilti Aktiengesellschaft
    • Michael Selb
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming asymmetrical articles by rolling

    • Patent number 5,060,497
    • Issue date Oct 29, 1991
    • Nissan Motor Co., Ltd.
    • Ryoichi Takahashi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Roll forging machine and method

    • Patent number 4,936,124
    • Issue date Jun 26, 1990
    • The Ajax Manufacturing Co.
    • Mike B. Martincic
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Roll forging machine and method

    • Patent number 4,893,492
    • Issue date Jan 16, 1990
    • Ajax Manufacturing Co.
    • Mike B. Martincic
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device for forming asymmetrical articles by rolling

    • Patent number 4,811,585
    • Issue date Mar 14, 1989
    • Nissan Motor Co., Ltd.
    • Ryoichi Takahashi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Arrangement for metal working by rolling

    • Patent number 4,070,892
    • Issue date Jan 31, 1978
    • Mikhail Vladimirovich Kholmogorov
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Automatic forge rolling machine

    • Patent number 4,045,991
    • Issue date Sep 6, 1977
    • Mikhail Vladimirovich Kholmogorov
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Drive mechanism of a pair of forging or stretching rollers

    • Patent number 4,014,198
    • Issue date Mar 29, 1977
    • Langenstein & Schemann Aktiengesellschaft
    • Karl-Heinz Herrmann
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3718025

    • Patent number 3,718,025
    • Issue date Feb 27, 1973
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3580031

    • Patent number 3,580,031
    • Issue date May 25, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3338081

    • Patent number 3,338,081
    • Issue date Aug 29, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3323344

    • Patent number 3,323,344
    • Issue date Jun 6, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3240041

    • Patent number 3,240,041
    • Issue date Mar 15, 1966
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3170343

    • Patent number 3,170,343
    • Issue date Feb 23, 1965
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3033063

    • Patent number 3,033,063
    • Issue date May 8, 1962
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3029669

    • Patent number 3,029,669
    • Issue date Apr 17, 1962
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2899222

    • Patent number 2,899,222
    • Issue date Aug 11, 1959
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2887915

    • Patent number 2,887,915
    • Issue date May 26, 1959
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2736948

    • Patent number 2,736,948
    • Issue date Mar 6, 1956
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2730916

    • Patent number 2,730,916
    • Issue date Jan 17, 1956
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2711660

    • Patent number 2,711,660
    • Issue date Jun 28, 1955
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2645955

    • Patent number 2,645,955
    • Issue date Jul 21, 1953
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2634144

    • Patent number 2,634,144
    • Issue date Apr 7, 1953
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2620690

    • Patent number 2,620,690
    • Issue date Dec 9, 1952
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    STRETCH ROLLING METHOD AND STRETCH ROLLING UNIT

    • Publication number 20200023426
    • Publication date Jan 23, 2020
    • SMS Group GmbH
    • Stephan ACKERMANN
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Bending Forge Rolling

    • Publication number 20180290200
    • Publication date Oct 11, 2018
    • HIRSCHVOGEL UMFORMTECHNIK GMBH
    • Holger Beyersdorfer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    PRODUCTION METHOD FOR A SEMI-FINISHED PRODUCT

    • Publication number 20130111964
    • Publication date May 9, 2013
    • HILTI AKTIENGESELLSCHAFT
    • Michael Selb
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    PRODUCTION METHOD FOR A SEMI-FINISHED PRODUCT AND SEMI-FINISHED PRO...

    • Publication number 20130115025
    • Publication date May 9, 2013
    • HILTI AKTIENGESELLSCHAFT
    • Michael Selb
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...