TREA

operated by rotary drive

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Industry

  • CPC
  • B21J7/42
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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

B21J7/42operated by rotary drive
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Machine for performing high speed stamping and forming operations
    • Patent number 5,718,145
    • Issue date Feb 17, 1998
    • The Whitaker Corporation
    • Dimitry Grabbe
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Power post driver and hammer
    • Patent number 4,984,640
    • Issue date Jan 15, 1991
    • Leland E. Gillan
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Laminated board and hammer combination for a drop hammer forge
    • Patent number 4,204,421
    • Issue date May 27, 1980
    • Marion Plywood Corporation
    • Thomas E. Rogers
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Laminated board and hammer combination for a drop hammer forge
    • Patent number 4,204,420
    • Issue date May 27, 1980
    • Marion Plywood Corporation
    • Thomas E. Rogers
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    2549604
    • Patent number 2,549,604
    • Issue date Apr 17, 1951
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2009151
    • Patent number 2,009,151
    • Issue date Jul 23, 1935
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1957021
    • Patent number 1,957,021
    • Issue date May 1, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1954155
    • Patent number 1,954,155
    • Issue date Apr 10, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1954157
    • Patent number 1,954,157
    • Issue date Apr 10, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1954156
    • Patent number 1,954,156
    • Issue date Apr 10, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1954159
    • Patent number 1,954,159
    • Issue date Apr 10, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1929021
    • Patent number 1,929,021
    • Issue date Oct 3, 1933
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1910314
    • Patent number 1,910,314
    • Issue date May 23, 1933
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1814193
    • Patent number 1,814,193
    • Issue date Jul 14, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1812464
    • Patent number 1,812,464
    • Issue date Jun 30, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1810538
    • Patent number 1,810,538
    • Issue date Jun 16, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1810537
    • Patent number 1,810,537
    • Issue date Jun 16, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1809300
    • Patent number 1,809,300
    • Issue date Jun 9, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1809805
    • Patent number 1,809,805
    • Issue date Jun 9, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1798309
    • Patent number 1,798,309
    • Issue date Mar 31, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1798310
    • Patent number 1,798,310
    • Issue date Mar 31, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1789568
    • Patent number 1,789,568
    • Issue date Jan 20, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1776377
    • Patent number 1,776,377
    • Issue date Sep 23, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1741811
    • Patent number 1,741,811
    • Issue date Dec 31, 1929
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1722715
    • Patent number 1,722,715
    • Issue date Jul 30, 1929
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1709599
    • Patent number 1,709,599
    • Issue date Apr 16, 1929
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1707499
    • Patent number 1,707,499
    • Issue date Apr 2, 1929
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1670493
    • Patent number 1,670,493
    • Issue date May 22, 1928
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1659594
    • Patent number 1,659,594
    • Issue date Feb 21, 1928
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1653509
    • Patent number 1,653,509
    • Issue date Dec 20, 1927
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents