TREA

Gates or other apparatus controlling access to, or exit from, cars, cages, or hoistway landings

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Industry

  • CPC
  • B66B17/36
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B66Lifting technology B66BELEVATORS ESCALATORS OR MOVING WALKWAYS B66B17/00Hoistway equipment

Current Industry

B66B17/36Gates or other apparatus controlling access to, or exit from, cars, cages, or hoistway landings
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Car operated safety gate for horizontally transferrable elevator cab
    • Patent number 5,695,024
    • Issue date Dec 9, 1997
    • Otis Elevator Company
    • Samuel C. Wan
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1794712
    • Patent number 1,794,712
    • Issue date Mar 3, 1931
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1620669
    • Patent number 1,620,669
    • Issue date Mar 15, 1927
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1596112
    • Patent number 1,596,112
    • Issue date Aug 17, 1926
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1556690
    • Patent number 1,556,690
    • Issue date Oct 13, 1925
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1483243
    • Patent number 1,483,243
    • Issue date Feb 12, 1924
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1403420
    • Patent number 1,403,420
    • Issue date Jan 10, 1922
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1276199
    • Patent number 1,276,199
    • Issue date Aug 20, 1918
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1211412
    • Patent number 1,211,412
    • Issue date Jan 9, 1917
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1191806
    • Patent number 1,191,806
    • Issue date Jul 18, 1916
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1179321
    • Patent number 1,179,321
    • Issue date Apr 11, 1916
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1141627
    • Patent number 1,141,627
    • Issue date Jun 1, 1915
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1136655
    • Patent number 1,136,655
    • Issue date Apr 20, 1915
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    1044982
    • Patent number 1,044,982
    • Issue date Nov 19, 1912
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    841416
    • Patent number 841,416
    • Issue date Jan 15, 1907
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    796958
    • Patent number 796,958
    • Issue date Aug 8, 1905
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    754268
    • Patent number 754,268
    • Issue date Mar 8, 1904
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    698275
    • Patent number 698,275
    • Issue date Apr 22, 1902
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    634802
    • Patent number 634,802
    • Issue date Oct 10, 1899
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents