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actuated through pawl-and-ratchet mechanisms

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  • CPC
  • B66F3/14
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B66Lifting technology B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR B66F3/00Devices

Current Industry

B66F3/14actuated through pawl-and-ratchet mechanisms
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Lifting device
    • Patent number 11,661,321
    • Issue date May 30, 2023
    • Quzhou T-Nine Tools Co., Ltd.
    • John Su
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Jack stand apparatus and method
    • Patent number 10,597,268
    • Issue date Mar 24, 2020
    • William P. Curtis
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Adjustable leg for supporting a table
    • Patent number 4,655,426
    • Issue date Apr 7, 1987
    • Eutec Ltd.
    • F. Olaf von Dulong
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Trailer stabilizing jack
    • Patent number 4,169,581
    • Issue date Oct 2, 1979
    • Equipment Company of America
    • Elmer T. Thurmond
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3870278
    • Patent number 3,870,278
    • Issue date Mar 11, 1975
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3314655
    • Patent number 3,314,655
    • Issue date Apr 18, 1967
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3037820
    • Patent number 3,037,820
    • Issue date Jun 5, 1962
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2990159
    • Patent number 2,990,159
    • Issue date Jun 27, 1961
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2910270
    • Patent number 2,910,270
    • Issue date Oct 27, 1959
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2876990
    • Patent number 2,876,990
    • Issue date Mar 10, 1959
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2474045
    • Patent number 2,474,045
    • Issue date Jun 21, 1949
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2458961
    • Patent number 2,458,961
    • Issue date Jan 11, 1949
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2426717
    • Patent number 2,426,717
    • Issue date Sep 2, 1947
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2372547
    • Patent number 2,372,547
    • Issue date Mar 27, 1945
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2258827
    • Patent number 2,258,827
    • Issue date Oct 14, 1941
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2251759
    • Patent number 2,251,759
    • Issue date Aug 5, 1941
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2219455
    • Patent number 2,219,455
    • Issue date Oct 29, 1940
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2212090
    • Patent number 2,212,090
    • Issue date Aug 20, 1940
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2212051
    • Patent number 2,212,051
    • Issue date Aug 20, 1940
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2150831
    • Patent number 2,150,831
    • Issue date Mar 14, 1939
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2129806
    • Patent number 2,129,806
    • Issue date Sep 13, 1938
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2126843
    • Patent number 2,126,843
    • Issue date Aug 16, 1938
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2080530
    • Patent number 2,080,530
    • Issue date May 18, 1937
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2065564
    • Patent number 2,065,564
    • Issue date Dec 29, 1936
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1999174
    • Patent number 1,999,174
    • Issue date Apr 30, 1935
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1973224
    • Patent number 1,973,224
    • Issue date Sep 11, 1934
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1964250
    • Patent number 1,964,250
    • Issue date Jun 26, 1934
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1964173
    • Patent number 1,964,173
    • Issue date Jun 26, 1934
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1946352
    • Patent number 1,946,352
    • Issue date Feb 6, 1934
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1916476
    • Patent number 1,916,476
    • Issue date Jul 4, 1933
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

  • Information Patent Application

    SYSTEM AND METHOD FOR LIFTING AND ORIENTING A CHAMBER
    • Publication number 20240182279
    • Publication date Jun 6, 2024
    • FUJIFILM Irvine Scientific, Inc.
    • Jose SAN ANDRES
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    LIFTING DEVICE
    • Publication number 20210362989
    • Publication date Nov 25, 2021
    • Quzhou T-Nine Tools Co., Ltd.
    • John Su
    • B66 - HOISTING LIFTING HAULING