TREA

cone-shaped or bell-shaped articles

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Industry

  • CPC
  • B21K21/10
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21KMAKING FORGED OR PRESSED METAL PRODUCTS B21K21/00Making hollow articles not covered by a single preceding sub-group

Current Industry

B21K21/10cone-shaped or bell-shaped articles
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Solid state lighting device with improved heatsink
    • Patent number 8,476,812
    • Issue date Jul 2, 2013
    • Cree, Inc.
    • Wai Kwan Chan
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Deep drawn nozzle for precision liquid dispensing
    • Patent number 8,210,455
    • Issue date Jul 3, 2012
    • John D. Newbold
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Method of making a thin wall nozzle
    • Patent number 7,231,716
    • Issue date Jun 19, 2007
    • Brian L. Verilli
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Method and apparatus for producing thin walled tubular product with...
    • Patent number 7,171,838
    • Issue date Feb 6, 2007
    • Seiji Shiokawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Process for manufacturing metal parts by free forging and drop forg...
    • Patent number 5,615,465
    • Issue date Apr 1, 1997
    • Commissariat a l'Energie Atomique
    • Dominique Broussoux
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Process for obtaining parts made of copper of very fine texture fro...
    • Patent number 5,039,355
    • Issue date Aug 13, 1991
    • Marie T. Daumas
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Cold forming dies and cold forming process
    • Patent number 4,945,749
    • Issue date Aug 7, 1990
    • General Motors Corporation
    • Billy R. Walker
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Process and apparatus for producing an electrical battery pole or t...
    • Patent number 4,776,197
    • Issue date Oct 11, 1988
    • Aquila Piombo per Caccia e Tiro S.r.l.
    • Giorgio Scott
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Forging of conical liners
    • Patent number 4,461,162
    • Issue date Jul 24, 1984
    • Honeywell Inc.
    • David R. Ibach
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3740993
    • Patent number 3,740,993
    • Issue date Jun 26, 1973
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2106647
    • Patent number 2,106,647
    • Issue date Jan 25, 1938
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2039967
    • Patent number 2,039,967
    • Issue date May 5, 1936
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1983334
    • Patent number 1,983,334
    • Issue date Dec 4, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1970658
    • Patent number 1,970,658
    • Issue date Aug 21, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1898574
    • Patent number 1,898,574
    • Issue date Feb 21, 1933
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1723036
    • Patent number 1,723,036
    • Issue date Aug 6, 1929
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1712900
    • Patent number 1,712,900
    • Issue date May 14, 1929
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1709328
    • Patent number 1,709,328
    • Issue date Apr 16, 1929
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1707489
    • Patent number 1,707,489
    • Issue date Apr 2, 1929
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1678594
    • Patent number 1,678,594
    • Issue date Jul 24, 1928
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1636586
    • Patent number 1,636,586
    • Issue date Jul 19, 1927
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1594189
    • Patent number 1,594,189
    • Issue date Jul 27, 1926
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1491965
    • Patent number 1,491,965
    • Issue date Apr 29, 1924
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents