| Patents for B66B 17 - Hoistway equipment (1,517) |
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| 10/22/1996 | US5566785 Elevator drive machine placed in the counterweight |
| 09/18/1996 | CN2235435Y Composite tank kep |
| 05/17/1996 | WO1996014263A1 Water-driven robots |
| 02/28/1996 | CN2221022Y Plane controller analogue device |
| 02/27/1996 | CA2156997A1 Measuring flask |
| 02/14/1996 | CN2219879Y Safety closing automatic cage gate device for mining hoist |
| 01/10/1996 | CN1030653C Automatic control system of caging machine handling equipment of cage |
| 11/28/1995 | US5469937 Traction sheave elevator with drive machine below |
| 11/21/1995 | CA2036954C Skip |
| 11/08/1995 | EP0680922A1 Device for charging of mine cages in mining |
| 08/02/1995 | CN1105948A Elevator machinery placed in the counterweight |
| 07/19/1995 | CN1105336A Traction sheave elevator with drive machine below |
| 06/21/1995 | CN2201382Y In-pot linear electric machine car puller |
| 05/31/1995 | CN1103050A Elevator drive machine placed in the counterweight |
| 05/02/1995 | US5411117 Safety device arrangement |
| 01/04/1995 | EP0631969A2 Elevator drive machine placed in the counterweight |
| 01/04/1995 | EP0631968A2 Traction sheave elevator with drive machine below |
| 12/28/1994 | EP0630849A2 Elevator drive machine placed in the counterweight |
| 12/22/1994 | CA2126424A1 Lifting assembly for machinery lift platforms |
| 11/09/1994 | CN2182164Y Steel wire rope rubber lining ground roller |
| 09/28/1994 | CN1092738A Test method and monitor system for lifted load |
| 08/31/1994 | CN2175749Y Outside motive lateral bottom unloading type shaft skip |
| 06/01/1994 | CN2167074Y Safety bolt for mining vehicle |
| 03/02/1994 | CN2157924Y Controlling cabinet for elevator in mine |
| 03/02/1994 | CN1083018A Safety device arrangement |
| 02/16/1994 | CN2156165Y Load lifting monitoring control system |
| 01/12/1994 | EP0578238A1 Safety device arrangement |
| 11/24/1993 | CN2147222Y 罐笼安全门 Safety cage door |
| 11/10/1993 | CN2145779Y Automatic control device for equipment for loading tile into tile cage |
| 10/26/1993 | US5255759 Apparatus for preventing vibration of elevator tail-line |
| 10/13/1993 | EP0565516A1 Elevator |
| 09/15/1993 | CN2142109Y Moving cage guide |
| 08/25/1993 | CN2140890Y Automatic revolving dump safety suspension cage |
| 08/24/1993 | US5238087 Advanced energy saving hydraulic elevator |
| 08/18/1993 | CN2140362Y Disk brake power-electricity converter |
| 12/23/1992 | CN2125572U Lifting device |
| 12/23/1992 | CN1067291A Operating equipment of transport vehicles in mine and controlling system thereof |
| 12/15/1992 | US5170864 Elevator bridge apparatus |
| 11/10/1992 | CA1310007C Hoist winding system |
| 09/09/1992 | CN2115316U Mine safety anti-falling lifting cage |
| 08/05/1992 | CN1063264A Automatic control system of loading operation unit of cage |
| 06/16/1992 | US5122028 Skip |
| 06/09/1992 | US5120023 Hoist winding system |
| 06/03/1992 | CN2106155U Safety door for linear electric motor |
| 05/14/1992 | WO1992007787A1 Variable counterweight for a lift cage |
| 04/22/1992 | CN2102276U Automatic vehicle stopper in cage |
| 04/08/1992 | CN2101034U Drawing-resistance device |
| 03/11/1992 | CN2098494U Interlocking hoist rack with level controlled door |
| 01/29/1992 | CN2094537U Mineral vehicle stopper |
| 01/14/1992 | US5080201 Diversion of airflow around an elevator counterweight |
| 01/08/1992 | CN2092531U Chain type scuttle trucking machine |
| 10/23/1991 | CN1055523A Mine shaft conveyance system |
| 10/02/1991 | CN2085790U Auto-unloading type vertical lifter |
| 09/18/1991 | CN2084922U Wearproof rubber ground roll for main |
| 08/21/1991 | CN1053910A Pneumatic skips lift |
| 07/31/1991 | CN2081833U Driving unit for cradle in mine pit |
| 05/01/1991 | CN2076087U Cage holding device |
| 04/03/1991 | CN1012266B Tramsporting device for loading or unloading ship |
| 03/27/1991 | CN1012163B Hoist-skip turning device for shaft well |
| 11/07/1990 | CN2065184U Whole-speed winding protector for vertical shaft hoister |
| 08/09/1990 | DE3936905C1 Mine cage suspension system - incorporates adaptors to allow length adjustment |
| 05/09/1990 | CN1041925A Subatmospheric pressure mine ladder |
| 04/18/1990 | CN2056153U Vertical lift capable of automatic discharging |
| 03/22/1990 | DE3830891A1 Apparatus for inserting and drawing off tubs |
| 03/08/1990 | DE3828857A1 Cage with a device for locking mine cars |
| 02/07/1990 | CN2052402U Safety device for cages kick-up block |
| 01/31/1990 | CN1006628B Lifting apparatus |
| 01/24/1990 | CN2051623U Power driven tilting table for hoisting cage |
| 12/27/1989 | CN2050032U Safety stop device for lifting container |
| 11/07/1989 | US4878796 Conveying apparatus for loading and unloading goods, in particular for use with ships |
| 09/26/1989 | CA1259945A1 Material handling |
| 08/03/1989 | DE3742966A1 Safety linkage for shaft barriers |
| 07/06/1989 | DE3744078A1 Hoisting system for deep mines |
| 06/21/1989 | CN2039685U Measuring and controlling system for quantitative loading |
| 06/20/1989 | CA1256051A1 Skip |
| 05/18/1989 | DE3835709C1 Use of a winding-rope system for the installation of a pipeline |
| 03/22/1989 | CN2034577U Straight push angular displacement spring throttle valve on mine hoisting machine |
| 03/22/1989 | CN2034576U Hoist for shaft |
| 02/02/1989 | DE3822466A1 Method of checking the position and movement of transport equipment moved by rope |
| 12/01/1988 | DE3714616A1 Arrangement for conveying mining trucks to and away in front of a shaft |
| 11/23/1988 | CN88201726U Double rope anti-twist pump lifter |
| 11/15/1988 | CA1244781A1 Cage deck |
| 10/12/1988 | CN87103416A Skip hoisting system |
| 10/06/1988 | DE3708698A1 Skip hoisting system |
| 10/05/1988 | CN87213675U Light skip used in lifting mine thing |
| 09/28/1988 | CN88101106A Transporting device for loading or unloading ship |
| 09/15/1988 | DE3707169A1 Installation for charging a shaft hoisting cage |
| 09/07/1988 | EP0281181A1 Conveying apparatus for loading and unloading goods, in particular for use with ships |
| 08/25/1988 | DE3802386A1 Zugseil-fahrstuhlanlage Tow rope elevator system |
| 06/22/1988 | CN86101716B Lifting gear |
| 05/25/1988 | CN87208443U Mine lifting equipment with auxiliary weight balancing device |
| 12/12/1987 | CN86207605U Mechanical assembly at portal |
| 12/05/1987 | CN86210650U Pressurized explosion-proof lifter |
| 11/25/1987 | CN87102507A Lifting apparatus |
| 11/05/1987 | DE3714053A1 Lift with lightweight cylindrical cabin |
| 09/22/1987 | US4695219 Cage deck |
| 09/01/1987 | US4690611 Automatic transfer apparatus for elevators |
| 05/05/1987 | US4662810 Stopper device for positioning a push car and the like |
| 01/08/1987 | DE3523348A1 Method and device for opening and/or closing skips |
| 12/31/1986 | CN85201131U Friction type hoist with direct-connection and multirope |