TREA

and for returning the controlling handle or lever to its neutral position

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Industry

  • CPC
  • B66B1/38
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B66Lifting technology B66BELEVATORS ESCALATORS OR MOVING WALKWAYS B66B1/00Control systems of elevators in general

Current Industry

B66B1/38and for returning the controlling handle or lever to its neutral position
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Capacity shifting between partially-overlapping elevator groups
    • Patent number 11,292,690
    • Issue date Apr 5, 2022
    • Otis Elevator Company
    • Arthur Hsu
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2581969
    • Patent number 2,581,969
    • Issue date Jan 8, 1952
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1319598
    • Patent number 1,319,598
    • Issue date Oct 21, 1919
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1276088
    • Patent number 1,276,088
    • Issue date Aug 20, 1918
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1262832
    • Patent number 1,262,832
    • Issue date Apr 16, 1918
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1233798
    • Patent number 1,233,798
    • Issue date Jul 17, 1917
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1195128
    • Patent number 1,195,128
    • Issue date Aug 15, 1916
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1148450
    • Patent number 1,148,450
    • Issue date Jul 27, 1915
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1068672
    • Patent number 1,068,672
    • Issue date Jul 29, 1913
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    925426
    • Patent number 925,426
    • Issue date Jun 15, 1909
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    740570
    • Patent number 740,570
    • Issue date Oct 6, 1903
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    732522
    • Patent number 732,522
    • Issue date Jun 30, 1903
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    699511
    • Patent number 699,511
    • Issue date May 6, 1902
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    555099
    • Patent number 555,099
    • Issue date Feb 25, 1896
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents