| Patents for B66C 15 - Safety gear (2,542) |
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| 10/20/1999 | CN2344370Y Weight retainer for hoisting equipment |
| 10/05/1999 | CA2011900C Bridge crane electric motor control system |
| 09/23/1999 | DE19811985A1 Fall-breaking safety device for lift support, for use when building walls with bricks |
| 08/11/1999 | CN2332699Y Automatic anti-dropping device of lifter |
| 08/04/1999 | CN2331640Y Lifting machine with anti-fall, anti-bump and capable of speed regulation |
| 07/07/1999 | CN2327670Y Multifunctional hanging basket safeguard lock |
| 06/23/1999 | CN1220231A Device for retaining load-engaging element in event of suspension system cable breakage |
| 06/16/1999 | CN1043632C Swing stopper for hanged articles |
| 06/09/1999 | EP0921096A2 Aerial work platform with pothole and/or obstacle detection and avoidance system |
| 06/09/1999 | EP0921093A2 Luffing angle measurement system |
| 06/09/1999 | EP0921092A2 Obstacle avoidance and crushing protection system for outriggers of a chassis |
| 06/09/1999 | EP0921091A2 Smart tele-cylinder |
| 06/09/1999 | EP0921089A2 Anti-two block device using non-contact measuring and detecting devices |
| 06/05/1999 | CA2255233A1 Smart tele cylinder |
| 05/19/1999 | CN2319386Y Anti-falling protector of trailing elevator |
| 05/04/1999 | CA2140711C Anticollision device and method for mobiles on a common movement path |
| 03/30/1999 | CA2008022C Conveyor having self-propelled carrier |
| 03/03/1999 | CN2309321Y Electric shock preventing alarm for crane |
| 03/03/1999 | CN1209417A Apparatus for preventing from falling of materials while overhead-travelling crane in collision in suspension system |
| 02/04/1999 | WO1999005656A1 Cargo transfer safety system |
| 01/14/1999 | DE19721126A1 Self-contained emergency braking system |
| 12/23/1998 | CN2301429Y Windproof device for hoister |
| 11/26/1998 | DE19721125A1 Autonomous and reliable, in-situ force production apparatus for use in an emergency braking system |
| 10/15/1998 | DE19715458A1 Method for preventing collision between crane and building or vehicles |
| 09/15/1998 | CA2123065C Lifting apparatus including overload sensing device |
| 09/03/1998 | WO1998038612A1 Crane safety devices and methods |
| 07/01/1998 | CN2285274Y Lifting limiter for crane |
| 06/17/1998 | EP0847958A1 Cargo handling path setting method and apparatus for crane |
| 06/17/1998 | CN1184772A Arrangement for preventing persons from falling down for lifting equipment |
| 04/28/1998 | US5745042 Load insulator |
| 04/22/1998 | CN2279353Y Automatic or hand-operated resetting braker |
| 04/22/1998 | CN2279352Y Rope breakage protection and stop linkage safety device for crane |
| 04/07/1998 | US5735507 Safety system for hoist apparatus |
| 12/04/1997 | WO1997045359A1 Method and arrangement for automated planning by computer of the path of a suspended load being transported by a device for moving suspended loads |
| 12/04/1997 | WO1997045358A1 Method and arrangement for preventing load collisions in a suspended load movement apparatus |
| 11/27/1997 | WO1997044646A1 Load simulator for testing the load-limiting means of lifting devices |
| 11/05/1997 | CN2266583Y Operation safety apparatus for elevator |
| 10/29/1997 | EP0803466A1 Method and device for safety ascending to a cab, in particular on a tower crane |
| 10/02/1997 | DE19612423A1 Redundant control and safety system for crane |
| 09/17/1997 | CN2262549Y Electromagnetic lifting level limiter for lifter |
| 09/02/1997 | US5662311 Lifting apparatus including overload sensing device |
| 07/23/1997 | CN2258153Y Anti-falling safety gear |
| 07/01/1997 | US5642822 Suspended load vibration preventing apparatus |
| 06/11/1997 | CN2255971Y Automatic speed limiting and falling down preventer |
| 06/03/1997 | US5634565 Method for anticollision method and apparatus for cranes movable on a common path |
| 05/27/1997 | US5632391 Weight for a lift-limiting switch |
| 04/16/1997 | CN2252175Y Synchronous safety protective siren |
| 01/28/1997 | US5597080 Snag load protection system for a crane |
| 01/22/1997 | CN2245604Y Safety control device for crane |
| 01/08/1997 | CN1139646A Swing stopper for hanged articles |
| 01/07/1997 | US5591943 Weight-sensing member for an electrical suspension weigher |
| 12/05/1996 | DE19519741A1 Stacker crane sensor system |
| 11/27/1996 | CN2241139Y Automatic windproof braking machine for hoisting machine |
| 10/23/1996 | CN2238239Y Safety device for overhead travelling crane trolley operating limit |
| 10/22/1996 | US5568132 Load insulator |
| 10/16/1996 | EP0737851A2 Method and device for determining charges of lifting and tension equipments |
| 10/10/1996 | DE19513241A1 Gravity sled with traction rope |
| 09/25/1996 | CN2235960Y Antidropping braking-device for lifter when rope is broken |
| 09/11/1996 | CN2234942Y Anti-explosive device of force moment-limiting device for crane |
| 06/30/1996 | CA2143368A1 Emergency cable brake |
| 06/19/1996 | CN2229442Y Comprehensive multi-function moment controller |
| 05/30/1996 | WO1996015976A1 Device for protecting the floor of a building from falling loads, use of the protective device and process for checking for overloading of a lifting device |
| 05/01/1996 | CN2226052Y Rotation preventing device |
| 04/04/1996 | WO1996009979A1 Method and apparatus for preventing over-winding of a winch of a mobile crane |
| 03/21/1996 | DE19529213A1 Electronically working module |
| 02/28/1996 | CN2221023Y Crane safety alarm |
| 02/21/1996 | CN2220459Y Anti-drop lifting trackle |
| 01/24/1996 | CN2218171Y Safety net for bridge crane |
| 01/02/1996 | US5481248 Overhead cranes having collision avoidance capabilities |
| 12/13/1995 | EP0686595A1 Safety system for hoist apparatus |
| 11/14/1995 | US5466082 In-line safety shackle |
| 10/18/1995 | EP0677479A1 Weight for lift limit switch |
| 10/11/1995 | CN2209667Y Windproof braker of lifter operating mechanism |
| 10/03/1995 | US5455567 Crane anti tractor lift system |
| 09/19/1995 | US5451124 Wire brush fastening device |
| 09/06/1995 | CN2206771Y Automatic stop device for cord breaking of hoist |
| 08/29/1995 | US5445032 Load testing apparatus and method for a personnel platform |
| 08/23/1995 | EP0668236A1 Arrangement for positioning crane-loads |
| 07/26/1995 | EP0664271A1 Anticollision device and method for mobiles on common rails |
| 07/05/1995 | CN2202740Y Fully-closed shock-resistance protecting hood for pulley of hook |
| 06/28/1995 | EP0406419B1 Crane safety apparatus |
| 06/27/1995 | US5428344 Crane hoist safety deactivator |
| 05/31/1995 | CN2199178Y Broken wire fall-preventing device for vertical transport plane |
| 04/19/1995 | CN2194895Y 多功能聚氨酯缓冲器 Multifunction Polyurethane buffer |
| 03/30/1995 | DE4331776A1 Limit-range control for a jib arrangement |
| 03/28/1995 | US5400868 Shock indicator for use on safety cables |
| 03/22/1995 | CN2192605Y Anti-wind electric iron shoes |
| 02/15/1995 | EP0638876A1 Method and device for controlling a mobile machine |
| 02/05/1995 | CA2101931A1 Crane hoist safety deactivator |
| 10/18/1994 | CA2034985C Overhead warning device |
| 09/27/1994 | US5350076 Bridge crane electric motor control system |
| 09/14/1994 | EP0614845A2 Crane safety apparatus |
| 09/06/1994 | US5343739 Gantry crane collision avoidance device |
| 08/18/1994 | DE4403898A1 Lifting appliance |
| 08/11/1994 | DE4306662A1 Method for calibrating the amplifier of a strain gauge on a crane |
| 04/17/1994 | CA2080715A1 Suspended work platform with safety line |
| 04/13/1994 | CN2161593Y Infrared anticollision alarm for bridge crane |
| 04/06/1994 | CN2160644Y Steel wire rope rated load ergograph for hoisting machinery |
| 03/30/1994 | CN2159951Y Wind-proof braking device for track crane |
| 01/27/1994 | DE4233441A1 Auxiliary device for vehicle with articulated parts or tools for working on electric power lines - has sensor for detecting metal objects or electromagnetic and/or electrostatic fields and evaluation unit connected to alarm and/or actuator |