TREA

driven by hydraulic or liquid pressure

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Industry

  • CPC
  • B21J7/40
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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

B21J7/40driven by hydraulic or liquid pressure
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid operated actuator including a bleed port
    • Patent number 9,074,612
    • Issue date Jul 7, 2015
    • Norgren GmbH
    • Roger Studer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Drop hammers
    • Patent number 4,100,977
    • Issue date Jul 18, 1978
    • BSP International Foundations Limited
    • Roger Michael Elliott
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3601987
    • Patent number 3,601,987
    • Issue date Aug 31, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3142206
    • Patent number 3,142,206
    • Issue date Jul 28, 1964
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2861486
    • Patent number 2,861,486
    • Issue date Nov 25, 1958
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2449401
    • Patent number 2,449,401
    • Issue date Sep 14, 1948
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2345563
    • Patent number 2,345,563
    • Issue date Apr 4, 1944
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1990478
    • Patent number 1,990,478
    • Issue date Feb 12, 1935
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1870499
    • Patent number 1,870,499
    • Issue date Aug 9, 1932
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    FLUID OPERATED ACTUATOR INCLUDING A BLEED PORT
    • Publication number 20120037238
    • Publication date Feb 16, 2012
    • Norgren GmbH
    • Roger Studer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...