B66B 1/26

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9033111 Elevator governor systemJul 20, 09May 19, 15OTIS ELEVATOR COMPANY
8960372 Elevator car door interlockJul 07, 11Feb 24, 15THYSSENKRUPP ELEVATOR CORPORATION
7650969 Safety device for use in an elevator system including a triggering member for activating a safety brakeDec 03, 04Jan 26, 10OTIS ELEVATOR COMPANY
7278517 Elevator installation with a device for furnishing a temporary protective space, a method for mounting the device and a method for furnishing the temporary protective spaceMay 04, 04Oct 09, 07INVENTIO AG
7201256 Elevator installation having a virtual protection area at the bottom and/or the top of the elevator shaft, and method for controlling the sameJul 03, 02Apr 10, 07INVENTIO AG
5751126 Lifting appliance with traveling mechanism and low pendulum oscillation during brakingMar 21, 96May 12, 98KCI KONECRANES INTERNATIONAL PLC
5612517 Process and apparatus for controlling a hydraulic liftAug 15, 94Mar 18, 97INVENTIO AG
5394960 Descent deviceMar 14, 94Mar 07, 95Not available
5217091 Mechanical overspeed safety deviceOct 20, 92Jun 08, 93OTIS ELEVATOR COMPANY
5044473 Elevator work station apparatusSep 18, 89Sep 03, 91Not available
5040639 Elevator valve apparatusJan 31, 90Aug 20, 91KABUSHIKI KAISHA KAWASAKI PRECISION MACHINERY
4991693 Method of improving the landing of a hydraulic elevator carFeb 16, 89Feb 12, 91INVENTIO AG
4715478 Hydraulic elevatorNov 07, 86Dec 29, 87HITACHI, LTD.
4593792 Apparatus for controlling a hydraulic elevatorAug 27, 84Jun 10, 86MITSUBISHI DENKI KABUSHIKI KAISHA
4493479 Hoist drive safety systemMar 14, 83Jan 15, 85Ederer Corporation
4474266 ElevatorsAug 06, 82Oct 02, 84Kallis; Bert J.
4351415 Hydraulic elevator installationAug 12, 80Sep 28, 82SHIMADZU CORPORATION