TREA

operated by steam, air, or other gaseous pressure

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  • CPC
  • B21J7/24
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21JFORGING HAMMERING PRESSING METAL RIVETING FORGE FURNACES B21J7/00Hammers Forging machines with hammers or die jaws acting by impact

Current Industry

B21J7/24operated by steam, air, or other gaseous pressure
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Air-operated hammer
    • Patent number 12,071,738
    • Issue date Aug 27, 2024
    • Equipment Corporation of America
    • Richard R Farmer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Two step hydraulic breaker with automatic stroke adjustment
    • Patent number 10,472,797
    • Issue date Nov 12, 2019
    • DAEMO Engineering Co., Ltd.
    • Yong Shik Park
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Method of using an impact machine
    • Patent number 6,764,644
    • Issue date Jul 20, 2004
    • Hydropulsor AB
    • Kurt Dahlberg
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Air-operated hammer
    • Patent number 6,619,407
    • Issue date Sep 16, 2003
    • Charles L. Hawkins
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Double-acting forging hammer and method
    • Patent number 4,796,428
    • Issue date Jan 10, 1989
    • Oilgear Towler, Inc.
    • Richard W. Hall
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Pneumatic hammer
    • Patent number 4,693,322
    • Issue date Sep 15, 1987
    • The Pannier Corporation
    • Roger H. Gartside
    • B44 - DECORATIVE ARTS
  • Information Patent Grant

    Friction shock assembly for a forging hammer
    • Patent number 4,398,409
    • Issue date Aug 16, 1983
    • National-Standard Company
    • Robert D. Hambrick
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Bouncer type pile driver
    • Patent number 4,383,582
    • Issue date May 17, 1983
    • Bolt Technology Corporation
    • Stephen V. Chelminski
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Quiet bouncer driver thruster method with pressurized air chamber e...
    • Patent number 4,377,355
    • Issue date Mar 22, 1983
    • Bolt Technology Corporation
    • Stephen V. Chelminski
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Hydropunch for use in a press
    • Patent number 4,344,313
    • Issue date Aug 17, 1982
    • Viktor N. Chachin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Striker starting mechanism of hydrodynamic unit
    • Patent number 4,313,334
    • Issue date Feb 2, 1982
    • Viktor N. Chachin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    High-speed anvilless hammer
    • Patent number 4,178,792
    • Issue date Dec 18, 1979
    • Petr P. Matviets
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Fluid operable hammer
    • Patent number 4,150,603
    • Issue date Apr 24, 1979
    • Joy Manufacturing Company
    • Murray D. Etherington
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Adaptive valve control system for an impact device
    • Patent number 4,131,164
    • Issue date Dec 26, 1978
    • Chambersburg Engineering Company
    • Wilmer W. Hague
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    High-energy rate forging machine
    • Patent number 4,104,904
    • Issue date Aug 8, 1978
    • The Japan Steel Works, Ltd.
    • Hiroyasu Yaguchi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus for producing an instantaneous pressure on a workpiece
    • Patent number 4,048,840
    • Issue date Sep 20, 1977
    • Korst Knabel
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    High energy rate counterblow forming machine
    • Patent number 3,942,353
    • Issue date Mar 9, 1976
    • Josef K. Murek
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3898834
    • Patent number 3,898,834
    • Issue date Aug 12, 1975
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3867833
    • Patent number 3,867,833
    • Issue date Feb 25, 1975
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3796050
    • Patent number 3,796,050
    • Issue date Mar 12, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3783672
    • Patent number 3,783,672
    • Issue date Jan 8, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3756065
    • Patent number 3,756,065
    • Issue date Sep 4, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3707866
    • Patent number 3,707,866
    • Issue date Jan 2, 1973
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3623351
    • Patent number 3,623,351
    • Issue date Nov 30, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3608650
    • Patent number 3,608,650
    • Issue date Sep 28, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3593562
    • Patent number 3,593,562
    • Issue date Jul 20, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3583498
    • Patent number 3,583,498
    • Issue date Jun 8, 1971
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3527080
    • Patent number 3,527,080
    • Issue date Sep 8, 1970
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3525220
    • Patent number 3,525,220
    • Issue date Aug 25, 1970
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3499369
    • Patent number 3,499,369
    • Issue date Mar 10, 1970
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    AIR-OPERATED HAMMER
    • Publication number 20220186455
    • Publication date Jun 16, 2022
    • Equipment Corporation of America
    • Richard R. Farmer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Impact machine and method of using an impact machine
    • Publication number 20030007869
    • Publication date Jan 9, 2003
    • Kurt Dahlberg
    • B22 - CASTING POWDER METALLURGY