Featured patents

Group Elevator Scheduling With Advance Traffic Information
US 08839913 B2, Sept. 23, 2014, Assigns load supports to zones, Gregory G. Luther et al. / Otis Elevator Company (Farmington, US)
A method of controlling operation of an elevator group, the method comprising:…

Industrial Truck With Lifting Height Measurement System
US 08763759 B2, July 1, 2014, Industrial Lift Truck or Required Component Thereof, Tino Krüger et al. / STILL GmbH (Hamburg, DE)
An industrial truck comprising:…

Elevator Damping Element
US 08739937 B2, June 3, 2014, Having Specific Force Transmitting Connection for Counterweight or Load Support, Dave Mauldin et al. / Inventio AG (Hergiswil, CH)
An elevator comprising:…

Elevator Cab Accessory Control Device
US 08662257 B2, March 4, 2014, Monitors passengers, Calvin Michael Chasteen
An elevator cab accessory device comprising…

Elevator Group Management System
US 08602172 B2, Dec. 10, 2013, Shared by plural load supports, Sakurako Tokura et al. / Mitsubishi Electric Corporation (Tokyo, JP)
An elevator group management system that decides any of a plurality of cars…

Line Current and Energy Storage Control for an Elevator Drive
US 08584807 B2, Nov. 19, 2013, With auxiliary supply of electricity, William A. Veronesi / Otis Elevator Company (Farmington, US)
A method for managing power distribution between a regenerative drive connected…

Elevator System With Bottom Tensioning Apparatus
US 08528703 B2, Sept. 10, 2013, Having Specific Force Transmitting Connection for Counterweight or Load Support, Josef Husmann / Inventio AG (Hergiswil, CH)
An elevator system having an elevator car and an associated counterweight…

Method of Handling Passenger Requests During Elevator Modernization
US 08517149 B2, Aug. 27, 2013, Having Computer Control of Elevator, Jannah A. Stanley et al. / Otis Elevator Company (Farmington, US)
An elevator system, comprising:…

System and Method for Pre-Programmable Elevator Operation
US 08499895 B2, Aug. 6, 2013, Assigns calls to load supports on predetermined basis, Zvi Zweig
A system comprising:…

Elevator Door System
US 08448751 B2, May 28, 2013, Shifts sliding barrier on load support, Helmut Schröder-Brumloop et al. / Otis Elevator Company (Farmington, US)
An elevator car assembly, comprising:…

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