| Patents for B66B 21 - Kinds or types of escalators or moving walkways (1,166) |
|---|
| 12/21/1994 | CN2185743Y Double alternating automatic escalator |
| 12/07/1994 | CN1026885C People conveyor |
| 10/05/1994 | EP0618122A1 Boarding device for a chair lift |
| 10/02/1994 | CA2119182A1 Device for loading skiers on chair lifts |
| 09/07/1994 | EP0613808A1 Chair lift with loading conveyor belt |
| 09/06/1994 | CA2116994A1 Chairlift with moving walkway |
| 06/15/1994 | EP0580686A4 Moving walkway |
| 04/27/1994 | EP0593787A1 Driving mechanism in coupled conveying apparatus |
| 04/27/1994 | CN2163157Y Automatic staircase with synchronous platform |
| 04/14/1994 | WO1994007787A1 Curved escalator |
| 03/31/1994 | DE4232113A1 Bogenrolltreppe Curved escalator |
| 02/02/1994 | EP0580686A1 Moving walkway. |
| 11/11/1993 | WO1993022231A1 Driving mechanism in coupled conveying apparatus |
| 11/11/1993 | CA2112259A1 Drive mechanism for an endless track conveyor apparatus |
| 10/06/1993 | CN1076910A Varlable-speed pallet-type passenger moving walk |
| 08/10/1993 | US5234095 Conveying device, especially with high speed conveying element |
| 05/25/1993 | US5213191 Vertically movable staircase |
| 05/19/1993 | CN1020704C Conveyer |
| 02/09/1993 | US5184710 Escalator apparatus |
| 01/12/1993 | US5178254 Passenger conveyor |
| 12/23/1992 | EP0518932A1 Urban transport system using fast conveyor belts |
| 11/24/1992 | US5165513 Circulating circular escalator |
| 10/29/1992 | WO1992018414A1 Moving walkway |
| 10/29/1992 | CA2107918A1 Moving walkway |
| 10/27/1992 | US5158167 Spiral escalator |
| 10/21/1992 | EP0509861A1 Transporting device, in particular having a high speed transporting section |
| 09/22/1992 | US5148906 Curved escalator |
| 08/12/1992 | EP0497877A1 Circular escalator |
| 08/05/1992 | EP0415953B1 Spiral escalator |
| 06/16/1992 | CA1303543C Ski lift |
| 05/26/1992 | US5115899 Dual-speed escalator apparatus |
| 05/20/1992 | CN1061198A Handrail installations for conveying appliance |
| 05/06/1992 | CN2103543U Mobile automatic staircase |
| 03/18/1992 | EP0475821A2 Step riser profile for curved escalator |
| 03/10/1992 | US5094335 Step chain roller for curved escalator |
| 02/05/1992 | CN1015353B Curvilinear escalator |
| 11/20/1991 | CN1056289A Urban transport system using fast conveyor belts |
| 10/03/1991 | WO1991014643A1 Urban transport system using fast conveyor belts |
| 10/01/1991 | US5052539 Circular escalator |
| 09/24/1991 | US5050721 Step riser profile for curved escalator |
| 09/04/1991 | CN2084046U Spiral type escalator |
| 09/03/1991 | US5044485 Moving walkway |
| 07/23/1991 | US5033606 Conveyor having pivotally connected step units |
| 06/04/1991 | US5020654 Curved escalator step chain turnaround zone |
| 05/29/1991 | CN1012677B Building energy-saving elevator |
| 04/25/1991 | WO1991006501A1 Circular escalator |
| 04/25/1991 | CA2066700A1 Circular escalator |
| 04/24/1991 | EP0424209A2 Escalator with verical planar step risers and constant horizontal velocity |
| 04/23/1991 | US5009302 Curved escalator with fixed center constant radius path of travel |
| 04/17/1991 | CN2075184U Varying speed system for convey device |
| 03/13/1991 | EP0415953A1 Spiral escalator. |
| 03/06/1991 | CN1049639A Carrying apparatus for passenger |
| 02/13/1991 | EP0412836A1 Step chain for curved escalator |
| 01/15/1991 | US4984671 Balustrade radius development for curved escalator |
| 11/07/1990 | CN1046721A Conveyer |
| 10/31/1990 | CN1046506A Curvilinear escalator |
| 10/03/1990 | EP0390632A1 Curved escalator with fixed center and constant radius path of travel |
| 10/03/1990 | EP0390631A1 Curved escalator with fixed center and constant radius path of travel |
| 10/03/1990 | EP0390630A1 Curved escalation with fixed center and constant radius path of travel |
| 10/03/1990 | EP0390629A1 Curved escalator with fixed center and constant radius path of travel |
| 10/03/1990 | CN1009801B Transportation and accident lifesaving apparatus for high building |
| 09/04/1990 | US4953685 Step chain for curved escalator |
| 08/21/1990 | US4949832 Curved escalator with vertical planar step risers and constant horizontal velocity |
| 06/05/1990 | US4930622 Curved escalator with fixed center constant radius path of travel |
| 05/31/1990 | DE3839974A1 Curved escalator |
| 01/31/1990 | EP0352968A2 A moving walkway |
| 01/23/1990 | US4895239 Curved escalator with fixed center constant radius path of travel |
| 12/05/1989 | US4884673 Curved escalator with fixed center constant radius path of travel |
| 11/28/1989 | US4883160 Curved escalator with fixed center constant radius path of travel |
| 11/22/1989 | CN1037317A Multifunctional vertical transportation and accident lifesaving apparatus for high building |
| 11/16/1989 | WO1989010891A1 Accelerating and decelerating travelator |
| 11/16/1989 | WO1989010890A1 Spiral escalator |
| 11/08/1989 | CN1005706B Main frame for passenger belt conveyer |
| 09/13/1989 | CN2044250U Elevator transport device |
| 08/02/1989 | CN2042073U Elevator for civil building |
| 07/12/1989 | CN2040895U Screw elevator |
| 06/27/1989 | US4842122 Transportation apparatus having adjustable skirts |
| 06/27/1989 | US4842121 Coupling for a continuous transport system |
| 05/31/1989 | CN2038490U Curved escalator |
| 05/23/1989 | US4832169 Framework structure for an inclined passenger conveyor such as an escalator |
| 03/07/1989 | US4809840 Curved escalator |
| 01/11/1989 | CN2030588U Single-seat reciprocating lift |
| 12/21/1988 | CN88201506U Light elevator with tooth chain elevating device |
| 12/21/1988 | CN87103843A Main frame for passenger belt conveyer |
| 12/21/1988 | CN87101991A Building energy-saving elevator |
| 12/14/1988 | CN87210153U Yh2-10 m series hydraulic pressure elevator driven by motor or labour power |
| 12/14/1988 | CN87103830A High rise building emergency fire escape |
| 11/09/1988 | EP0290255A2 A moving walkway |
| 10/26/1988 | CN87212255U Three-side hinge-type elevator |
| 08/17/1988 | CN87206173U Suspension working platform out of wall |
| 08/17/1988 | CN85106338B Men conveyer |
| 08/03/1988 | CN87214426U Top lift adhesion type high buildings gantry elevator |
| 06/01/1988 | CN87211237U Crescent shaped pedal type horizontally revolving conveyer |
| 05/24/1988 | US4746000 Curved escalator |
| 05/04/1988 | CN87211473U Multifunctional elevator |
| 05/04/1988 | CN87204583U Vertical hoisting frame |
| 03/22/1988 | US4732257 Continuous variable-speed transport apparatus |
| 03/15/1988 | US4730717 Curved escalator |
| 02/23/1988 | US4726460 Frame structure for a curved escalator |
| 12/08/1987 | CA1230072A1 Continuous variable-speed transport apparatus |