| Patents for B66B 15 - Main component parts of mining-hoist winding devices (732) |
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| 01/10/2001 | CN2414052Y Wearing-resistant rubber support roller |
| 12/20/2000 | EP1060305A1 Tension member for an elevator |
| 12/06/2000 | EP1056675A1 Elevator system having drive motor located between elevator car and hoistway sidewall |
| 11/15/2000 | EP1052212A1 Device for carrying out work in an elevator shaft |
| 10/12/2000 | WO2000059819A2 Improved sheave design |
| 10/11/2000 | EP1042210A2 Traction elevator system having multiple machines |
| 10/11/2000 | CN1269324A Lifting apparatus for open-air mine |
| 09/27/2000 | EP1037847A2 Elevator system with compact machineroom |
| 09/27/2000 | CN2398245Y Wear-resisting supporting roller for protecting rope |
| 09/20/2000 | CN2397089Y High-strength wear-resistant polyurethane nylon composite lining board |
| 08/16/2000 | CN2391861Y Steel-cable loosen proof device of mining-hoist winding device |
| 08/03/2000 | DE19963464A1 Conveyor system for open-cut underground mining has traveling platform riding on inclined elevator and adapted to receive overburden or mined deposit truck, and cables passing over cable pulleys |
| 07/27/2000 | WO2000014005A8 Self-braking gripping pulley |
| 06/29/2000 | WO2000037738A1 Tension member for an elevator |
| 06/02/2000 | WO2000014005A3 Self-braking gripping pulley |
| 05/18/2000 | WO2000027741A1 Power transmission and bearing arrangement for a drum |
| 04/19/2000 | CN2374531Y Contact roller |
| 04/13/2000 | DE19846671A1 Drive plate brake for self-propelled conveyer systems, especially elevators for people/goods, with increased redundancy has brake units in star formation and equally effective in both directions |
| 03/16/2000 | WO2000014006A1 Conveyance system |
| 03/16/2000 | WO2000014005A2 Self-braking gripping pulley |
| 12/16/1999 | WO1999043598A3 Traction elevator system having multiple machines |
| 12/15/1999 | CN2353713Y Rotary-bucket type lifter |
| 12/09/1999 | WO1999043597A3 Elevator system with compact machineroom |
| 09/28/1999 | US5957243 Tandem sheave assembly, and method to install an elevator car having a tandem sheave |
| 09/08/1999 | CN1044998C Steel wire tension automatic balancing suspension apparatus |
| 09/02/1999 | WO1999043885A1 Tension member for an elevator |
| 09/02/1999 | WO1999043598A2 Traction elevator system having multiple machines |
| 09/02/1999 | WO1999043597A2 Elevator system with compact machineroom |
| 09/02/1999 | WO1999043589A1 Elevator system having drive motor located between elevator car and hoistway sidewall |
| 08/24/1999 | CA2029698C Linear motor conveyance system |
| 05/04/1999 | CA2011401C Shaft conveyance system |
| 03/31/1999 | CN2312326Y Means for locking rope of base of inclined shaft transporting car |
| 01/14/1999 | DE19721126A1 Self-contained emergency braking system |
| 12/30/1998 | CN1203184A Rolling brake-shoe |
| 09/30/1998 | CN2292778Y Hoist for driller |
| 07/14/1998 | CA2099858C Traction sheave elevator system with single direction rovings |
| 04/22/1998 | CN2279349Y Double-speed lift winch |
| 04/08/1998 | CN1178189A Automatic balancing method for tension of steel wire and suspension apparatus thereof |
| 03/05/1998 | DE19635245A1 Emergency brake unit for haulage cable of lift |
| 03/05/1998 | DE19635244A1 Emergency brake unit for haulage cable of lift |
| 12/17/1997 | CN2270715Y Flexable hoist cable |
| 09/10/1997 | CN2262021Y Double rope winding cage lifting equipment |
| 07/09/1997 | CN1035375C Rope suspension arrangement |
| 06/11/1997 | CN2255970Y Safety steel rope cramp |
| 05/07/1997 | CN1034799C Traction sheave elevator |
| 01/22/1997 | CN2245603Y Cylinder nylon lining wood |
| 12/25/1996 | CN2243451Y Separate assembling nylon roller on ground |
| 12/25/1996 | CN1138552A Emergency braking of mine hoist |
| 10/30/1996 | CN1134393A Oscillation-damping control of motor torque for mine hoist |
| 10/01/1996 | CA2093973C Optimized diverting pulley arrangement for traction sheave equipped elevators |
| 09/04/1996 | CN1032685C Mine lifting machine with driving friction sheave |
| 07/31/1996 | CA2168171A1 Oscillation-damping control of motor torque for mine hoist |
| 07/31/1996 | CA2168167A1 Emergency braking of mine hoist |
| 06/19/1996 | CN2229441Y Winding elevator |
| 09/06/1995 | CN1107760A Wire rope which is hard to twist |
| 08/23/1995 | CN2205821Y Winding baffering device for lifting container |
| 12/06/1994 | US5370205 Traction sheave elevator |
| 11/08/1994 | US5361873 Traction sheave elevator |
| 08/10/1994 | CN2173771Y Friction increasing liner for friction lifter |
| 06/01/1994 | EP0598930A1 Hoisting system |
| 05/18/1994 | CN1086788A Traction sheave elevator |
| 01/26/1994 | CN1081157A Mine lifting maching with driving friction sheave |
| 01/25/1994 | US5280880 Unitary hoist drum for hoist ropes and an electric cable |
| 01/12/1994 | EP0578237A1 Traction sheave elevator |
| 12/29/1993 | CN2151124Y Lifter for mineral shaft |
| 11/18/1993 | DE4222094C1 Drive plate shaft raising machine - has electric motor fitted in interior or hollow space of drive plate with cooling air fed via stationary hollow shaft |
| 11/02/1993 | CA1323846C Vibration suppressing device for elevator |
| 10/20/1993 | EP0565956A2 Rope suspension arrangement |
| 10/20/1993 | CN1077432A Rope suspension arrangement |
| 03/23/1993 | US5195615 Mine shaft conveyance system |
| 12/01/1992 | US5167400 Has invented certain and useful improvements in control device for lifting winches, in particular for drilling rigs |
| 11/10/1992 | CA1310007C Hoist winding system |
| 10/21/1992 | EP0509404A2 Transporting equipment on cableways for driving haulage cables |
| 10/20/1992 | US5155922 Cable length measuring device |
| 09/23/1992 | CN1064662A Multiple steel cable lifting and rope adjustable hanging device |
| 07/28/1992 | CA1305673C Mine hoist brake regulator |
| 06/30/1992 | US5126604 Linear motor conveyance system |
| 06/09/1992 | US5120023 Hoist winding system |
| 05/12/1992 | US5112933 Improved durability |
| 04/15/1992 | EP0480808A2 Depth measuring device with wear resistant guide means |
| 04/15/1992 | CN2101660U Combined rope gear with nylon set off |
| 02/11/1992 | US5086880 Elevator traveling cable grip |
| 01/22/1992 | CN2093830U Combined antistatic nylon floor roller |
| 11/28/1991 | DE4106595A1 Lift brake for mine shaft conveyance system |
| 08/21/1991 | EP0442344A2 Overload-supervisory equipment for an electric load-carrying device |
| 07/24/1991 | CN1053331A Linear motor conveyance system |
| 06/25/1991 | US5025893 Vibration suppressing device for elevator |
| 02/05/1991 | US4989921 Mine hoist brake regulator |
| 12/12/1990 | EP0402148A1 Sheave array of a self propelled elevator using a linear motor on the counterweight |
| 10/11/1990 | DE3911013A1 Apparatus for conveying loads in shafts of great depth |
| 09/07/1990 | WO1990009948A1 Mine shaft conveyance system |
| 08/21/1990 | US4949815 Sheave array of a self propelled elevator using a linear motor on the counterweight |
| 06/28/1990 | DE3941947A1 Shaft conveying machine cable winch drive - uses two three=phase asynchronous machines with slip-ring rotors coupled via electric line |
| 06/26/1990 | US4936549 Pulley |
| 02/21/1990 | CN2053202U Kinetic energy converter |
| 02/21/1990 | CN2053201U Centrifugally blocked safety rope sheave |
| 12/13/1989 | EP0346160A1 Vibration suppressing device for elevator |
| 07/11/1989 | CA1257208A1 Elevator system |
| 06/27/1989 | US4842101 Elevator system |
| 06/07/1989 | CN2038903U Differential speeder used for mine lifting equipment |