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Class Information
Number: 187/393
Name: Elevator, industrial lift truck, or stationary lift for vehicle > With monitoring, signalling, and indicating means > Monitors operational parameter
Description: Subject matter wherein the physical condition checked or sensed is one which it is essential for anyone maintaining or using the elevator to know for the safe or proper functioning of the elevator (e.g., position, speed, direction).

Sub-classes under this class:

Class Number Class Name Patents
187/394 Load support position 199

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8678143 Elevator installation maintenance monitoring utilizing a door acceleration sensor Mar. 25, 2014
8675211 Fork light barrier, and device and method for determining position by means of a fork light barrier Mar. 18, 2014
8668055 Method for releasing a load-carrying apparatus or a compensating weight of an elevator from a stopping position Mar. 11, 2014
8622177 Control system and energy storage for an elevator apparatus Jan. 7, 2014
8613344 Line current and energy storage control for an elevator drive Dec. 24, 2013
8602173 Monitoring supports in elevator installations Dec. 10, 2013
8590672 Management of power from multiple sources in an elevator power system Nov. 26, 2013
8584807 Line current and energy storage control for an elevator drive Nov. 19, 2013
8584809 Safety device for elevator Nov. 19, 2013
8584812 Elevator brake release monitor Nov. 19, 2013
8490755 Circuit for resetting an elevator safety chain Jul. 23, 2013
8476898 Rope tester detection plate Jul. 2, 2013
8464841 Method and apparatus for determining the movement and/or the position of an elevator car Jun. 18, 2013
8463462 Systems and methods for braking system testing Jun. 11, 2013
8453799 Actuator for a speed governor of an elevator system Jun. 4, 2013
8439168 Elevator system having brake control May. 14, 2013
8424653 Electrical signal application strategies for monitoring a condition of an elevator load bearing member Apr. 23, 2013
8424651 Motion planning for elevator cars moving independently in one elevator shaft Apr. 23, 2013
8418815 Remotely observable analysis for an elevator system Apr. 16, 2013
8413765 Electronic safety system for an elevator having a bus and safety circuit Apr. 9, 2013
8408364 Elevator hoistway speed identifier with measured property Apr. 2, 2013
8371420 Elevator system for reducing collision shock Feb. 12, 2013
8365872 Elevator device having the plurality of hoisting machines Feb. 5, 2013
8365873 Method and arrangement for preventing the unintended drifting of an elevator car Feb. 5, 2013
8368330 Energy-recovery device in a variable speed drive Feb. 5, 2013
8360209 Dynamic compensation during elevator car re-leveling Jan. 29, 2013
8356697 Elevator safety system and method Jan. 22, 2013
8316996 Elevator apparatus having rescue operation controller Nov. 27, 2012
8297413 Safety device for elevator and rope slip detection method using drive sheave acceleration Oct. 30, 2012
8297412 Elevator dispatching control for sway mitigation Oct. 30, 2012
8272482 Elevator apparatus for braking control of car according to detected content of failure Sep. 25, 2012
8267224 Special operating mode for stopping an elevator car Sep. 18, 2012
8261886 Safety device for elevator and rope slip detection method Sep. 11, 2012
8262442 Method and system for managing thermal energy in a building with duct for lifting installations Sep. 11, 2012
8251609 Method of operating a shiplift Aug. 28, 2012
8251608 Method of operating a shiplift Aug. 28, 2012
8220590 Thermoelectric thermal management system for the energy storage system in a regenerative elevator Jul. 17, 2012
8210319 Hydraulic elevating platform assembly Jul. 3, 2012
8205721 Arrangement and method for controlling the brake of an elevator using different brake current references with different operation delays Jun. 26, 2012
8186484 Elevator system which controls a value of overspeed May. 29, 2012
8186908 Method of operating a shiplift May. 29, 2012
8181749 Speed governor for an elevator May. 22, 2012
8172042 Elevator power system May. 8, 2012
8167094 Elevator apparatus May. 1, 2012
8165738 Industrial vehicle and power control method for the same Apr. 24, 2012
8162110 Rope tension equalizer and load monitor Apr. 24, 2012
8146714 Elevator system including regenerative drive and rescue operation circuit for normal and power failure conditions Apr. 3, 2012
8134448 Method and control and data-transmission system for checking the installation location of a safety communications component Mar. 13, 2012
8127894 Elevator motor drive tolerant of an irregular power source Mar. 6, 2012
8126619 Weight calculation compensation Feb. 28, 2012

1 2 3 4 5 6 7

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