| Patents for B66D 3 - Portable or mobile lifting or hauling appliances (4,059) |
|---|
| 11/23/1993 | US5263660 Anti-two block device |
| 11/23/1993 | CA1324593C Releasable chain keeper |
| 11/09/1993 | US5261026 Controlling apparatus for balanced cargo or work handling system |
| 11/02/1993 | CA1323846C Vibration suppressing device for elevator |
| 10/05/1993 | US5249777 Lightweight |
| 10/05/1993 | US5249543 Snatch block |
| 09/30/1993 | WO1993018999A1 Method and apparatus for the transfer of loads from a floating vessel to another or to a fixed installation |
| 09/23/1993 | DE4306686A1 Fitting for connecting wire rope to lifting tackle - is in two relatively rotatable parts, one with pocket for rope end sleeve and one having shackle and cross-pin for fixing lifting tackle |
| 09/21/1993 | US5245931 Device for attaching a load to a cable |
| 09/16/1993 | DE4208201A1 Hoist with gripper arrangement for moving large-format stones - has operating components connected to electrical drive motor for forward and backward movement of hoist. |
| 09/16/1993 | DE4207700A1 Round link chain for drive technology - has upright chain links with larger pitch than horizontal links |
| 09/14/1993 | CA1322188C Hoist swivel support and method of fabricating same |
| 08/25/1993 | EP0557056A1 Electric hoist |
| 08/24/1993 | US5238226 Lever operated hoist |
| 07/29/1993 | DE4202199A1 Multi-step reduction gear train for pneumatic hoist - has one output gear for all planetary gear steps and directly formed in housing of tempered cast iron. |
| 07/29/1993 | DE4201974A1 Lifting equipment with lower fork support for hook - is connected by chains via two-arm lever mounted between prongs of fork. |
| 06/30/1993 | CN2137249Y Two speed hand pulled hoist |
| 06/29/1993 | CA1319674C Winch device |
| 06/17/1993 | DE4206630A1 Slewing tower-crane assembly - has hoist rope coupled to counterweight moving in opposite direction to load on hook |
| 05/12/1993 | CN1071892A Mechanical brake for hoist and traction machine |
| 05/12/1993 | CN1071891A Lever type traction machine |
| 05/05/1993 | EP0540138A1 Lever type traction machine |
| 05/05/1993 | EP0540136A1 Mechanical brake for a hoist or traction machine |
| 04/21/1993 | CN1071140A Hoistandtraction machine |
| 04/14/1993 | CN1070887A Hoist and traction machine |
| 04/13/1993 | US5201496 Line releasing pulley system |
| 04/07/1993 | CN2129280Y Stepless speed-abjusting electric hoist lifting device |
| 04/07/1993 | CN1070623A Hoist and traction machine |
| 03/24/1993 | EP0533501A1 Easily removable sheave assembly |
| 03/24/1993 | EP0533468A1 Hoist & traction machine |
| 03/24/1993 | EP0533467A1 Hoist & traction machine |
| 03/24/1993 | EP0533466A1 Hoist and traction machine |
| 03/17/1993 | CN2128243Y Pulley block safety device |
| 02/09/1993 | US5184807 Electric hoist including a planetary reduction gear housing disposed within a hoist drum |
| 01/28/1993 | DE4209535A1 Motorised lifting device for hard-top of motor vehicle - runs along hinged rail with single-handed control for drives adjusting level and position of traverse |
| 01/28/1993 | DE4127011C1 Large nut tightening or loosening - using torque amplifier hoist and levers suspended above nut |
| 12/22/1992 | CA1311742C Rope traction device |
| 12/15/1992 | US5170995 Easily disassemblable compact hoist |
| 11/11/1992 | CN2121441U Electric hoist stepless speed regulating runing device |
| 11/11/1992 | CN1066042A Electric hoist |
| 11/04/1992 | EP0511486A1 An electric hoist |
| 10/20/1992 | US5156377 Lever-operated hoist |
| 10/15/1992 | WO1992017396A1 Cable stability device |
| 10/14/1992 | EP0508932A1 Automatic mechanical ropes or cords braking and or releasing mechanism for the hoisting or launching of weights |
| 10/13/1992 | US5154401 Corrosion free high load marine blocks |
| 09/30/1992 | EP0505437A1 Piston and drum drive system. |
| 09/23/1992 | CN1064662A Multiple steel cable lifting and rope adjustable hanging device |
| 09/22/1992 | US5149058 Lever-operated hoist |
| 09/22/1992 | CA1307783C Pulley assembly |
| 09/17/1992 | WO1992014028A3 An improved crown block/traveling block system for a well drilling derrick |
| 09/15/1992 | US5147051 Hoisting device for individuals |
| 09/09/1992 | CN2115330U Two-beam bridge crane |
| 09/09/1992 | CN2115329U Single beam bridge crane |
| 09/09/1992 | CN2115328U Rope guiding device |
| 08/26/1992 | EP0499814A2 Anti-swing electric chain tackle |
| 08/25/1992 | US5141206 Winch apparatus |
| 08/25/1992 | US5141085 Hoist load brake |
| 08/20/1992 | WO1992014028A2 An improved crown block/traveling block system for a well drilling derrick |
| 08/20/1992 | DE4104985A1 Rail guided hoist with powered lifting gear - has twin lifting chains driven by sprockets on common shaft with one sprocket in advance by 52 deg. |
| 08/18/1992 | US5138953 Transportation device with a load carrier suspended movably from a rail for a suspended load |
| 07/23/1992 | DE4101261A1 Crane for use in underground mines - has housing to store spare chain when load is raised |
| 06/30/1992 | US5125629 Hand-operated chain block |
| 06/03/1992 | CN2106158U Limiter for electric hoist |
| 06/02/1992 | US5117991 Winch system |
| 05/13/1992 | EP0484523A1 Control device for balancing cargo handling equipement |
| 05/06/1992 | CN2103546U Servo-hydraulic stable hoist |
| 04/14/1992 | US5103937 Sway minimization system for elevator cables |
| 04/08/1992 | CN2101037U Hand lifting machine overloading protector |
| 04/01/1992 | CN2100380U Hand-operated hoist |
| 03/24/1992 | US5098065 Mine extraction device and method |
| 03/11/1992 | EP0262134B1 Arrangement for a goods hoist |
| 03/11/1992 | CN2098210U Mosquito net with adjustable height |
| 03/04/1992 | CN2097823U Automatic speed regulation hand hoist |
| 02/19/1992 | EP0471026A1 Arrangement for a load hoist. |
| 02/19/1992 | CN2096630U Winch device of test well vehicle |
| 02/18/1992 | US5088694 Lever type hoist |
| 02/12/1992 | EP0470706A1 Line releasing pulley system |
| 01/22/1992 | CN2093569U Collapsible mosquito-net support |
| 01/21/1992 | US5081885 Drive with oscillator-coupled transversely moving gear elements |
| 01/15/1992 | EP0466546A1 Winch with friction wheels |
| 01/12/1992 | CA2020928A1 Front rack for a truck |
| 01/07/1992 | CA1293969C Device for raising and lowering loads |
| 01/02/1992 | DE4120282A1 Load lifting device actuated by hydraulic motor - is controlled by handles mounted on beam which can be adjusted for height |
| 01/01/1992 | CN2091851U Hook for electric crane used in explosive condition |
| 12/24/1991 | US5074423 Low-profile lifting apparatus |
| 12/12/1991 | DE4018357A1 Height adjustment of weight along guide column - comprises curved disc rotatable around horizontally arranged stationary axis |
| 12/11/1991 | EP0460342A1 Hoisting device for individuals |
| 12/10/1991 | US5071184 Motorized load rotation device with autonomous power supply for cable lifting mechanisms |
| 12/07/1991 | CA2040720A1 Hoisting device for individuals |
| 12/04/1991 | CN2089926U Motor with inner reel type single track hoist |
| 11/28/1991 | WO1991017945A1 Control device for balancing cargo handling equipement |
| 11/26/1991 | CA1292373C Drive |
| 10/30/1991 | CN2087615U Guide block |
| 10/22/1991 | US5059159 Wave gear linear drive |
| 10/16/1991 | EP0452083A2 Linear cable engines |
| 10/15/1991 | US5056760 T-slot sheave |
| 10/15/1991 | CA1290727C Self-loading truck and tilt bed therefor |
| 10/08/1991 | US5054745 Auxiliary winch for all terrain vehicle |
| 10/01/1991 | US5052984 Roller chain wave gear drive |
| 09/18/1991 | EP0446289A1 A rope block. |