TREA

Making U-pieces

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Industry

  • CPC
  • B21C37/283
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for Manufacture of tubes of special shape

Current Industry

B21C37/283Making U-pieces
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Bend pipe and method for manufacturing same
    • Patent number 11,712,727
    • Issue date Aug 1, 2023
    • Noritz Corporation
    • Naoki Se
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Hydrostatically deforming a hollow body
    • Patent number 5,303,570
    • Issue date Apr 19, 1994
    • HDE Metallwerk GmbH
    • Wilhelm Kaiser
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    No-size squeezing of 180 degree boiler-tube return bends
    • Patent number 4,175,419
    • Issue date Nov 27, 1979
    • Combustion Engineering, Inc.
    • Thomas L. Mabery
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Forming die and process for tubular fittings
    • Patent number 4,157,024
    • Issue date Jun 5, 1979
    • The Babcock & Wilcox Company
    • Kurt J. Kahlow
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Return elbow and crossover bender
    • Patent number 4,085,608
    • Issue date Apr 25, 1978
    • Burr Oak Tool & Gauge Company
    • Lawrence A. Franks
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3919875
    • Patent number 3,919,875
    • Issue date Nov 18, 1975
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3606788
    • Patent number 3,606,788
    • Issue date Sep 21, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3473346
    • Patent number 3,473,346
    • Issue date Oct 21, 1969
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3348402
    • Patent number 3,348,402
    • Issue date Oct 24, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3279535
    • Patent number 3,279,535
    • Issue date Oct 18, 1966
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3253326
    • Patent number 3,253,326
    • Issue date May 31, 1966
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3243873
    • Patent number 3,243,873
    • Issue date Apr 5, 1966
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3229489
    • Patent number 3,229,489
    • Issue date Jan 18, 1966
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3225423
    • Patent number 3,225,423
    • Issue date Dec 28, 1965
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3200631
    • Patent number 3,200,631
    • Issue date Aug 17, 1965
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3081795
    • Patent number 3,081,795
    • Issue date Mar 19, 1963
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2983995
    • Patent number 2,983,995
    • Issue date May 16, 1961
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2967348
    • Patent number 2,967,348
    • Issue date Jan 10, 1961
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2963778
    • Patent number 2,963,778
    • Issue date Dec 13, 1960
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2957229
    • Patent number 2,957,229
    • Issue date Oct 25, 1960
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2839818
    • Patent number 2,839,818
    • Issue date Jun 24, 1958
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2830645
    • Patent number 2,830,645
    • Issue date Apr 15, 1958
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2817384
    • Patent number 2,817,384
    • Issue date Dec 24, 1957
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2780000
    • Patent number 2,780,000
    • Issue date Feb 5, 1957
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2764216
    • Patent number 2,764,216
    • Issue date Sep 25, 1956
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2724891
    • Patent number 2,724,891
    • Issue date Nov 29, 1955
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2689596
    • Patent number 2,689,596
    • Issue date Sep 21, 1954
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2583404
    • Patent number 2,583,404
    • Issue date Jan 22, 1952
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2534185
    • Patent number 2,534,185
    • Issue date Dec 12, 1950
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2507748
    • Patent number 2,507,748
    • Issue date May 16, 1950
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents