TREA

of resilient rings

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Industry

  • CPC
  • B21F37/02
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21FWORKING OR PROCESSING OF METAL WIRE B21F37/00Manufacture of rings from wire

Current Industry

B21F37/02of resilient rings
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method and system for on-demand retaining ring forming and installa...
    • Patent number 12,059,721
    • Issue date Aug 13, 2024
    • BeijingWest Industries Co., Ltd.
    • Frank Gerard Pirrello
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Segment, combination oil ring, and manufacturing method for a segment
    • Patent number 10,626,991
    • Issue date Apr 21, 2020
    • TPR CO., LTD.
    • Atsushi Nakazawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Metallic wire for grip rings, producing method and apparatus thereo...
    • Patent number 7,296,452
    • Issue date Nov 20, 2007
    • Hiroaki
    • Shin Sumimoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Wire rod-forming machine
    • Patent number 7,043,951
    • Issue date May 16, 2006
    • Minebea Co. Ltd.
    • Takashi Suzuki
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus and method of forming needle blanks from wire stock
    • Patent number 5,676,008
    • Issue date Oct 14, 1997
    • United States Surgical Corporation
    • Donald A. Morin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method of forming a spacer used to space end to end piping
    • Patent number 5,253,507
    • Issue date Oct 19, 1993
    • G.A.L. Gage Co.
    • Goodwin A. Lycan
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Wire bending machine
    • Patent number 4,361,025
    • Issue date Nov 30, 1982
    • Ladney, Jr.; Michael
    • Edwin E. Foster
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for making lock washers
    • Patent number 4,285,084
    • Issue date Aug 25, 1981
    • MSL Industries, Inc.
    • Joseph M. Brady
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spring loop key ring and method and apparatus for making same
    • Patent number 4,051,874
    • Issue date Oct 4, 1977
    • Gilbert F. Hardy
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3850205
    • Patent number 3,850,205
    • Issue date Nov 26, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3805352
    • Patent number 3,805,352
    • Issue date Apr 23, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3635063
    • Patent number 3,635,063
    • Issue date Jan 18, 1972
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3613195
    • Patent number 3,613,195
    • Issue date Oct 19, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3468148
    • Patent number 3,468,148
    • Issue date Sep 23, 1969
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3038162
    • Patent number 3,038,162
    • Issue date Jun 12, 1962
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3036318
    • Patent number 3,036,318
    • Issue date May 29, 1962
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3020704
    • Patent number 3,020,704
    • Issue date Feb 13, 1962
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2977999
    • Patent number 2,977,999
    • Issue date Apr 4, 1961
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2742061
    • Patent number 2,742,061
    • Issue date Apr 17, 1956
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2712835
    • Patent number 2,712,835
    • Issue date Jul 12, 1955
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2683922
    • Patent number 2,683,922
    • Issue date Jul 20, 1954
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2623550
    • Patent number 2,623,550
    • Issue date Dec 30, 1952
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2500566
    • Patent number 2,500,566
    • Issue date Mar 14, 1950
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2271731
    • Patent number 2,271,731
    • Issue date Feb 3, 1942
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2249113
    • Patent number 2,249,113
    • Issue date Jul 15, 1941
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2214025
    • Patent number 2,214,025
    • Issue date Sep 10, 1940
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2193661
    • Patent number 2,193,661
    • Issue date Mar 12, 1940
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2145461
    • Patent number 2,145,461
    • Issue date Jan 31, 1939
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2128437
    • Patent number 2,128,437
    • Issue date Aug 30, 1938
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1999082
    • Patent number 1,999,082
    • Issue date Apr 23, 1935
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents