TREA

balls, rollers, cone rollers, or like bodies

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Industry

  • CPC
  • B21H1/14
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21HMAKING PARTICULAR METAL OBJECTS BY ROLLING B21H1/00Making articles shaped as bodies of revolution

Current Industry

B21H1/14balls, rollers, cone rollers, or like bodies
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing a connecting element, connecting element, and...
    • Patent number 11,779,999
    • Issue date Oct 10, 2023
    • Arnold Umformtechnik GmbH & Co. KG
    • Uwe Wolfarth
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Green ball grinding method, ceramic sphere fabrication method, and...
    • Patent number 9,452,503
    • Issue date Sep 27, 2016
    • NTN Corporation
    • Yasutake Hayakawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Apparatus and method for production of balls by a rolling operation
    • Patent number 6,145,361
    • Issue date Nov 14, 2000
    • Volker Wengenroth
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Helical rolling mill roll line for producing die-rolled sections an...
    • Patent number 4,206,622
    • Issue date Jun 10, 1980
    • Igor K. Tartakovsky
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Ball rounding apparatus
    • Patent number 4,014,197
    • Issue date Mar 29, 1977
    • Border Steel Mills, Inc.
    • Arthur W. Lupia
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for continually forming spherical objects
    • Patent number 4,003,232
    • Issue date Jan 18, 1977
    • Asparough (Oscar) Trendov
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Ball producing machine
    • Patent number 3,990,287
    • Issue date Nov 9, 1976
    • Harlan M. Hamilton
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3878701
    • Patent number 3,878,701
    • Issue date Apr 22, 1975
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3847000
    • Patent number 3,847,000
    • Issue date Nov 12, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3827265
    • Patent number 3,827,265
    • Issue date Aug 6, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3621692
    • Patent number 3,621,692
    • Issue date Nov 23, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3498095
    • Patent number 3,498,095
    • Issue date Mar 3, 1970
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3478556
    • Patent number 3,478,556
    • Issue date Nov 18, 1969
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3477267
    • Patent number 3,477,267
    • Issue date Nov 11, 1969
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3466911
    • Patent number 3,466,911
    • Issue date Sep 16, 1969
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3239912
    • Patent number 3,239,912
    • Issue date Mar 15, 1966
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3206828
    • Patent number 3,206,828
    • Issue date Sep 21, 1965
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3186204
    • Patent number 3,186,204
    • Issue date Jun 1, 1965
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3125794
    • Patent number 3,125,794
    • Issue date Mar 24, 1964
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2801457
    • Patent number 2,801,457
    • Issue date Aug 6, 1957
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2801556
    • Patent number 2,801,556
    • Issue date Aug 6, 1957
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2700908
    • Patent number 2,700,908
    • Issue date Feb 1, 1955
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2700813
    • Patent number 2,700,813
    • Issue date Feb 1, 1955
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2700909
    • Patent number 2,700,909
    • Issue date Feb 1, 1955
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2409649
    • Patent number 2,409,649
    • Issue date Oct 22, 1946
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2358378
    • Patent number 2,358,378
    • Issue date Sep 19, 1944
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2327894
    • Patent number 2,327,894
    • Issue date Aug 24, 1943
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2269899
    • Patent number 2,269,899
    • Issue date Jan 13, 1942
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2208595
    • Patent number 2,208,595
    • Issue date Jul 23, 1940
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2178031
    • Patent number 2,178,031
    • Issue date Oct 31, 1939
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents