TREA

and having buckets opening automatically upon the grab being lowered on to the dump of material

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Industry

  • CPC
  • B66C3/10
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B66Lifting technology B66CCRANES LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES B66C3/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials Grabs

Current Industry

B66C3/10and having buckets opening automatically upon the grab being lowered on to the dump of material
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Patents Grantslast 30 patents

  • Information Patent Grant

    Single line grapple
    • Patent number 4,807,918
    • Issue date Feb 28, 1989
    • Hawco Manufacturing Co.
    • Richard A. Weeks
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Crane grab
    • Patent number 4,127,298
    • Issue date Nov 28, 1978
    • Petersen; Knud W.
    • Poul V. Egholm
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3488080
    • Patent number 3,488,080
    • Issue date Jan 6, 1970
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2923075
    • Patent number 2,923,075
    • Issue date Feb 2, 1960
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2270916
    • Patent number 2,270,916
    • Issue date Jan 27, 1942
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2110566
    • Patent number 2,110,566
    • Issue date Mar 8, 1938
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1817595
    • Patent number 1,817,595
    • Issue date Aug 4, 1931
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1404515
    • Patent number 1,404,515
    • Issue date Jan 24, 1922
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1354247
    • Patent number 1,354,247
    • Issue date Sep 28, 1920
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents