| Patents for B66B 5 - Applications of checking, fault-correcting or safety devices in elevators (12,501) |
|---|
| 03/03/1992 | US5092430 Method of operating common elevator |
| 02/19/1992 | EP0471348A1 Elevator car position detecting device |
| 02/19/1992 | CN2096549U Safety auto-control device of booster-type explosing-proof lift |
| 02/19/1992 | CN2096548U Spark machine barrel module without ramming for hoist |
| 02/19/1992 | CN1015535B Testing apparatus in elevators |
| 02/04/1992 | US5085294 Elevator control apparatus |
| 01/29/1992 | CN1058192A Safety disc brake for lifts |
| 01/28/1992 | US5083634 Safety device for elevator |
| 01/22/1992 | CN2093828U Emergency dispersal device for lifts |
| 01/15/1992 | EP0465831A1 Safety disc brake for elevators |
| 01/08/1992 | CN2092530U Elevator safety equipment |
| 01/08/1992 | CN1057624A Controlling apparatus for elevator door |
| 01/08/1992 | CN1057622A Motive method for common elevator |
| 01/08/1992 | CN1057620A Management control apparatus for elevator group |
| 01/01/1992 | CN2091849U Brake for preventing cage of elevator from falling |
| 01/01/1992 | CN1057438A Controlling device for elevator |
| 01/01/1992 | CN1057436A Controlling apparatus for elevator group manage |
| 12/18/1991 | CN1015097B Cage bumper in mine auxiliary shaft winch system |
| 12/18/1991 | CN1015096B Electric lift with self-adapting floor level function when power is off |
| 12/12/1991 | WO1991018820A1 Lifting system installed in building which makes emergency stair unnecessary |
| 12/10/1991 | US5070967 System for monitoring the operation of a cage moving in a mine shaft |
| 12/04/1991 | CN1014972B Oil hydraulic lift |
| 12/03/1991 | US5070290 Alternating current motor control system with emergency control responsive to failure of power supply |
| 11/28/1991 | DE4106595A1 Lift brake for mine shaft conveyance system |
| 11/27/1991 | CN2089464U Lift for life saving device in fire disaster |
| 11/26/1991 | US5067593 Braking device for elevator winding machine and elevator using the braking device |
| 11/20/1991 | CN2088997U Electricity supply device of material safety circuit for explosion-proof lifter |
| 11/20/1991 | CN1056288A Safety apparatus for elevator |
| 11/19/1991 | US5065845 Speed governor safety device for stopping an elevator car |
| 11/13/1991 | EP0455919A2 A separate elevator door chain |
| 11/12/1991 | US5064026 Elevator monitor apparatus |
| 11/06/1991 | EP0455016A2 Buffer |
| 11/06/1991 | CN2088102U Automatic landing and door-opening device while circuit break in the electric lift |
| 10/22/1991 | US5058710 Elevator power source device |
| 10/16/1991 | CN1014315B Elevator control system |
| 10/09/1991 | CN1014229B Apparatus using frictional safety cord to prevent fast drop |
| 10/08/1991 | CA1290477C Elevator system leveling safeguard control and method |
| 10/08/1991 | CA1290183C Mandrel for forming a bottom in a packaging container |
| 10/01/1991 | US5052843 Coupling |
| 10/01/1991 | US5052523 Elevator car-mounted govenor system |
| 10/01/1991 | US5052522 Encoder installing structure |
| 09/25/1991 | CN2085362U Elevator with means for stopping at predetermined levels |
| 09/18/1991 | EP0446905A2 Procedure and apparatus for braking a squirrel-cage elevator motor fed by a frequency converter in fault situations |
| 09/18/1991 | CN1013953B Elevator apparatus |
| 09/10/1991 | US5046584 Elevator occupant load weighing sensor mounting assembly |
| 09/04/1991 | CN1013761B Braking device for elevator winding machine and elevator using the braking device |
| 08/14/1991 | EP0440839A1 Arrangement to prevent uncontrolled movement of elevators |
| 08/13/1991 | US5039028 Overload protection |
| 08/07/1991 | CN1053594A Drop preventer for elevator |
| 08/06/1991 | US5036955 Detecting an earthquake |
| 07/23/1991 | US5033587 Braking system for a linear motor driven elevator |
| 07/16/1991 | US5031730 Safety brake |
| 07/10/1991 | CN1013095B Calling signal producing apparatus for elevator |
| 06/26/1991 | CN2079613U Safety device of pinion-and-rack type lifter for construction lift |
| 06/25/1991 | US5027299 Elevator testing apparatus |
| 06/25/1991 | US5025895 Elevator car top intrusion device |
| 06/19/1991 | EP0432634A2 Safety gear |
| 06/12/1991 | CN1052091A Controlling apparatus for lifts |
| 06/12/1991 | CN1052090A Elevator load weighing |
| 06/12/1991 | CN1052089A Apparatus for guard against commit crime in elevator |
| 06/11/1991 | US5023409 Elevator control safety device |
| 06/05/1991 | EP0430344A2 Elevator load weighing |
| 06/05/1991 | CN2078306U Rope-breaking protection, door-open self-locking and falling prevention devices for elevator |
| 06/05/1991 | CN1051895A Controlling apparatus for elevator |
| 06/04/1991 | US5020640 Elevator brake |
| 05/28/1991 | US5019960 Master-slave signal transfer system for elevator |
| 05/14/1991 | US5014828 Electromagnetic brake with clamping jaws |
| 05/14/1991 | US5014825 Rescue operating apparatus for elevator |
| 05/08/1991 | CN2076537U Emergency safety device for elevator |
| 04/24/1991 | CN2075636U Emergency return compensater for lift |
| 04/16/1991 | US5007506 Elevator remote-control method |
| 04/16/1991 | US5007505 Elevator traction sheave brake |
| 03/27/1991 | CN2073867U Safety protector for hanger style hoist |
| 03/26/1991 | US5002158 Elevator safety |
| 03/20/1991 | CN1012056B Safety device for ac elevator |
| 03/13/1991 | CN2072962U Antomatic drop-proof apparatus for elevator |
| 03/13/1991 | CN2072961U Broken rope drop-proof apparatus for elevator |
| 03/12/1991 | US4998601 Method of and apparatus for controlled operation of an elevator system at the occurrence of an earthquake |
| 02/27/1991 | CN1049484A Cage bumper in mine auxiliary shaft winch system |
| 02/26/1991 | US4995477 Safety device for elevators |
| 02/20/1991 | CN2071637U Automatic leveling-with-floor apparatus for elevator at power failure |
| 02/06/1991 | CN2070728U Anti-fall cam type safety device for mining elevator |
| 01/29/1991 | CA1279637C Hydraulic jack assembly for a hydraulic elevator |
| 01/23/1991 | CN1048681A Method and apparatus for elevator alignment with floor on failure and power cut |
| 01/22/1991 | US4986391 Elevator load weighing |
| 01/16/1991 | CN1011217B Emergency braking control device for elevator |
| 01/08/1991 | US4982815 Electric motor |
| 01/03/1991 | DE3920284A1 Free fall braking system e.g. for mining shaft - is provided with guide for falling body and linear motor parallel to guide balancing frictional force reacting on falling body |
| 01/02/1991 | EP0405999A2 "Smart" position transducer system for elevators |
| 01/02/1991 | CN2068496U Top spacing apparatus of elevating poppet head |
| 12/26/1990 | CN1048013A Friction braking method and device for elevator |
| 12/19/1990 | EP0402518A1 Hang cable monitoring device |
| 12/19/1990 | EP0402353A1 Overload protection |
| 12/19/1990 | CN2067693U Device for preventing falling |
| 12/18/1990 | US4977982 Elevator sheave brake safety |
| 12/18/1990 | US4977980 Indirect-plunger hydraulic elevator |
| 12/12/1990 | CN1047658A Controlling apparatus of elevator |
| 11/28/1990 | CN1047261A Oil hydraulic lift |
| 11/27/1990 | CA1277048C Elevator system graceful degradation of bank service |
| 11/21/1990 | CN2066020U Safety protecting device lifting traction piece breaking |