| Patents for B66B 9 - Kinds or types of lifts in, or associated with, buildings or other structures (5,616) |
|---|
| 12/25/1991 | CN1057240A Elevator with linear motor |
| 12/24/1991 | US5074384 Rope weight compensating device for a linear motor driven elevator |
| 12/24/1991 | US5074383 Hoisting machine |
| 12/18/1991 | CN1057037A Linear motor elevator |
| 12/18/1991 | CN1015098B Lift unit |
| 12/04/1991 | CN1014972B Oil hydraulic lift |
| 11/27/1991 | EP0458103A2 Device to transport loads along an inclined surface |
| 11/27/1991 | CN1056470A Full-automatic stairs (elevator) using natural energy |
| 11/27/1991 | CN1056469A Elevator with linear motor |
| 11/19/1991 | US5066834 Flexible guide rail and method for manufacturing same |
| 11/19/1991 | US5065844 Hydraulic platform and level correcting control system |
| 11/12/1991 | US5064331 Vertical conveying apparatus |
| 11/12/1991 | US5063716 Hoisting apparatus |
| 10/22/1991 | US5058708 Scaffold and hoist structure |
| 10/15/1991 | US5056627 Hydraulic elevator |
| 10/10/1991 | DE4010833A1 Inclined lift or hoist - has electric motor driving cable winder to which return winder is connected via gear |
| 10/09/1991 | EP0450858A2 Stairlift |
| 10/09/1991 | EP0449933A1 A screw lift. |
| 10/02/1991 | CN1054948A Lift |
| 10/01/1991 | US5052522 Encoder installing structure |
| 10/01/1991 | US5052521 Stairway wheelchair lift |
| 10/01/1991 | CA2039358A1 Stairlift |
| 09/24/1991 | US5050708 Wheelchair transfer mechanism |
| 09/17/1991 | US5048644 Method for improving the performance of a motor controlled hydraulic elevator |
| 09/10/1991 | US5046586 Control valve for a hydraulic elevator |
| 09/03/1991 | US5044473 Elevator work station apparatus |
| 08/21/1991 | EP0442429A2 Safety catch for a carriage guided along stair rail |
| 08/20/1991 | US5040638 Wheelchair lift mechanism |
| 08/13/1991 | US5038894 Drive control apparatus |
| 08/13/1991 | US5038536 System for stabilizing and accessing a high building |
| 08/06/1991 | US5036955 Detecting an earthquake |
| 07/24/1991 | EP0437995A2 Hydraulic elevator control valve |
| 07/23/1991 | US5033588 Apparatus for maintaining an air gap in a toroidal linear motor |
| 07/23/1991 | US5033587 Braking system for a linear motor driven elevator |
| 07/23/1991 | US5033586 Construction elevator assembly |
| 07/11/1991 | WO1991009996A2 Transport system, in particular for transporting silicon monocrystals through the tank of a research reactor |
| 07/03/1991 | CN1052643A Balance motorized lift bridge |
| 06/27/1991 | DE3942387A1 Transportsystem, insbesondere zum transportieren von siliziumeinkristallen durch das becken eines forschungsreaktors Transport system, particularly for transport of silicon single crystals by the pool of a research reactor |
| 06/26/1991 | EP0433770A2 Control valve for a hydraulic elevator |
| 06/26/1991 | EP0433769A2 Control valve for a hydraulic elevator |
| 06/26/1991 | EP0433290A1 Goods lifting and/or lowering assembly |
| 06/13/1991 | WO1991008162A1 Inclined track elevator for preferably disabled persons |
| 06/13/1991 | WO1991008161A1 Improvements to lifts |
| 06/12/1991 | CN1052090A Elevator load weighing |
| 06/06/1991 | DE3939762A1 Person and material lift for building sites - in which internal power source and drives toothed belt engaging in vertical toothed poles forming guideway |
| 06/05/1991 | EP0430344A2 Elevator load weighing |
| 06/04/1991 | US5020641 Hoistway |
| 05/29/1991 | CN1012677B Building energy-saving elevator |
| 05/29/1991 | CN1012676B Elevator hoist apparatus |
| 05/28/1991 | USRE33595 Wheelchair lift |
| 05/14/1991 | US5014826 Apparatus for maintaining an air gap in a toroidal type linear motor |
| 05/14/1991 | US5014824 Hydraulic elevator control valve |
| 05/14/1991 | US5014823 Apparatus for improving the performance of a motor-controlled hydraulic elevator |
| 05/08/1991 | EP0425667A1 Weight lifting device |
| 05/02/1991 | EP0425314A1 Apparatus for carrying a load vertically |
| 05/01/1991 | CN2076086U Hydraulic elevator |
| 04/18/1991 | DE4008283C1 Profiled rail with guide rollers - is designed to allow interlocking to form telescopic mast |
| 04/18/1991 | DE3934431A1 Staircase hoist for disabled user - has shoe with handgrip drawn up handrail by electric motor and wire cable drive |
| 04/10/1991 | CN1050529A Power equipment in hydraulic lift |
| 04/09/1991 | US5005672 Air gap apparatus for a linear motor |
| 03/06/1991 | EP0415218A1 Placement of a drive unit for an elevator |
| 03/05/1991 | US4997060 Apparatus for controlling the descent of a passenger carrying body |
| 02/20/1991 | EP0413393A1 Lift installation |
| 01/30/1991 | CN1011400B Hydraulic lift |
| 01/29/1991 | US4987976 Telescoping portable lift |
| 01/24/1991 | DE3923473A1 Platform elevator attachment for furniture van - has platform on telescopic rails which collapse and pivot to lie vertically against rear of van |
| 01/23/1991 | EP0409059A2 Interlocking arrangement for the telescopic elements of an inclined elevator |
| 01/23/1991 | EP0408716A1 A railsystem for a chair lift or the like, which is mounted on or along a flight of stairs. |
| 01/22/1991 | US4986391 Elevator load weighing |
| 01/17/1991 | DE3922511A1 Folding platform for laying over vehicle steps - has self-contained drive and linkage on mounting bracket for quick attachment to vehicle |
| 01/15/1991 | US4984955 A Wheelchair |
| 01/10/1991 | DE3921002A1 Spindle drive with at least three rollers - has rollers mounted in housing, in staggered formation, and has tapering driven spindle |
| 12/25/1990 | US4979593 Elevator controller |
| 12/19/1990 | CN1047837A Lift unit |
| 12/18/1990 | US4977981 Lift disabling device |
| 12/18/1990 | US4977980 Indirect-plunger hydraulic elevator |
| 12/12/1990 | EP0402148A1 Sheave array of a self propelled elevator using a linear motor on the counterweight |
| 12/12/1990 | EP0401863A2 Hydraulic elevator |
| 12/05/1990 | EP0400994A1 Linear motor driven elevator |
| 11/29/1990 | DE3917222A1 Platform for working on inclined surfaces - has system to hold platform level irrespective of angle of work surface |
| 11/28/1990 | CN1047261A Oil hydraulic lift |
| 11/22/1990 | EP0397878A1 Load-lifting device |
| 11/14/1990 | EP0396690A1 Curvature adjustable support element, method for manufacturing it and a use of it. |
| 11/07/1990 | EP0396096A2 An inclined lift consisting of several telescopic sections |
| 11/07/1990 | CN1046719A Moving means of elevators |
| 11/06/1990 | CA1275965C Staircase lift |
| 10/24/1990 | EP0394201A2 A device for the ascent and descent of stairs for the disabled |
| 10/18/1990 | DE3911777A1 Raising and lowering loads - involves energy storage springs to facilitate raising of load with min. energy input |
| 10/16/1990 | US4962832 Vehicle lift with lift limit control |
| 10/11/1990 | DE3911013A1 Apparatus for conveying loads in shafts of great depth |
| 10/03/1990 | CN1009801B Transportation and accident lifesaving apparatus for high building |
| 10/02/1990 | CA1274747A1 Lift truck lowering system |
| 09/26/1990 | EP0388814A2 Passenger transport installation |
| 09/18/1990 | US4958199 Printing apparatus with registration positioning plate |
| 09/18/1990 | US4957191 Guide device for hydraulic elevator |
| 09/18/1990 | US4957190 Apparatus for conveying refuse containers |
| 09/18/1990 | US4957189 Lifting device |
| 09/05/1990 | EP0385313A1 Apparatus for adjusting air gap in toroidal type linear motor |
| 09/05/1990 | EP0385277A2 Laterally suspending structure for elevator car |
| 09/05/1990 | EP0385255A1 Rope weight compensating device for linear motor driven type elevator |