| Patents for B66F 3 - Devices, e.g. jacks, adapted for uninterrupted lifting of loads (6,643) |
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| 05/30/2012 | CN202245918U Horizontal type hydraulic lifting jack |
| 05/30/2012 | CN202245917U Pneumatic lifting jack |
| 05/30/2012 | CN202245916U Hydraulic rescue mandril |
| 05/30/2012 | CN202245915U Boom device of hydraulic horizontal jack |
| 05/30/2012 | CN202245914U Hydraulic lifting device for cement and coal mill drum |
| 05/30/2012 | CN202245913U Multi-level pin-attached lifting mechanism |
| 05/30/2012 | CN202245912U Adjustment device for butt joints of pipelines |
| 05/30/2012 | CN202245911U Jack for pallet truck |
| 05/30/2012 | CN202245910U Jack being capable of moving furniture |
| 05/30/2012 | CN202244108U Electromechanical aerobridge elevating transmission system with compact structure |
| 05/30/2012 | CN102003570B Device for controlling multi-way three-position four-way reversing valve |
| 05/30/2012 | CN101966971B Automatic vehicle leveling device supported by three lifting cylinders |
| 05/30/2012 | CN101643186B Automatic lifting mechanism |
| 05/30/2012 | CA2723201A1 Leveling jack for vehicle |
| 05/29/2012 | US8186651 Conveyor belt lifting device |
| 05/29/2012 | CA2759552A1 Trailer lifting jack |
| 05/23/2012 | CN202226607U Multi-purpose jack for vehicle |
| 05/23/2012 | CN202226606U Air bag device for rescue |
| 05/23/2012 | CN202226605U Cylindrical-jack support |
| 05/23/2012 | CN202226604U A shaft part jacking device realizing bearing load measurement |
| 05/23/2012 | CN202226603U Jack capable of weighing |
| 05/23/2012 | CN202226602U Multistage screw jack |
| 05/23/2012 | CN102468619A 输电线路220千伏避雷线检修专用提升器 220 kV transmission line lightning line overhaul dedicated lifter |
| 05/23/2012 | CN102464279A 机械式自动高度定位举升器 Mechanical automatic height positioning lifters |
| 05/23/2012 | CN102464278A Linear drive device and semiconductor processing device with linear drive device |
| 05/23/2012 | CN101537957B Ropeless vertical lifting mechanism |
| 05/22/2012 | US8182195 Protective pillow |
| 05/22/2012 | US8181937 Hydraulic leveling cylinder |
| 05/16/2012 | CN102452622A Vacuum hydraulic lifting device |
| 05/16/2012 | CN102452621A Screw type jacking protective umbrella |
| 05/15/2012 | US8177193 Grain bin lifting system and method |
| 05/15/2012 | US8177191 Multi-function tool |
| 05/15/2012 | CA2529655C Lifting construction method and raising/lowering equipment of boiler module |
| 05/14/2012 | CA2728041A1 Vehicle leveling system and method |
| 05/10/2012 | US20120112147 Jack stand and combination & method of elevating a load |
| 05/09/2012 | CN202214200U Load transferring mechanical arm |
| 05/09/2012 | CN101717056B Manual lifting variable-angle device |
| 05/02/2012 | CN202208621U Hydraulic pump structure of double-speed separating hydraulic jack |
| 05/02/2012 | CN202208620U 升降装置 Lifting device |
| 05/02/2012 | CN102431930A Air sac device for rescuing |
| 05/02/2012 | CN102431929A Air energy crane |
| 05/02/2012 | CN102431928A Scissor jack with double-clamping-groove support |
| 05/02/2012 | CN102071814B High-rise long-span door type truss integral lifting device and construction method thereof |
| 05/01/2012 | US8168931 Solar tracking device |
| 04/26/2012 | US20120097908 Low force substrate lift |
| 04/25/2012 | EP2444357A1 Handle system for bottle jack |
| 04/25/2012 | CN202203467U 可控下降速率的长卧顶节流阀 Decline in the rate of long-controllable throttle lying top |
| 04/25/2012 | CN202201677U 双作用机械自锁千斤顶 Double-acting mechanical self-locking jack |
| 04/25/2012 | CN202201676U 便携式防滑调架装置 Portable skid tone frame means |
| 04/25/2012 | CN202201675U 矿用液压支架抬底千斤顶 Mine hydraulic support jack to lift the bottom |
| 04/25/2012 | CN202201674U Connecting device for overhead weighing sensor and lifting jack |
| 04/25/2012 | CN101218164B 用于通过螺纹杆和与其配合的螺母实现的竖直或倾斜运动的机械安全机构 For mechanical safety agencies through the threaded rod and nut to achieve with those of their vertical or inclined movement |
| 04/24/2012 | US8162290 Hitch mounted jack adapter device |
| 04/24/2012 | US8162289 Modular jack apparatus for lifting floors and other structures |
| 04/22/2012 | CA2756275A1 Jack handle system |
| 04/19/2012 | WO2012050565A1 Pneumatic membrane actuator and method of assembly |
| 04/19/2012 | WO2012009235A3 Systems for operating lifting apparatus |
| 04/19/2012 | US20120091411 Self-retracting hydraulic jack assembly |
| 04/19/2012 | US20120091408 Pry bar tool for apiarists |
| 04/18/2012 | CN202193588U 同步顶升泵站 Synchronous Lift Pumping Station |
| 04/18/2012 | CN202193587U 双作用自锁液压千斤顶 Double-acting self-locking hydraulic jack |
| 04/18/2012 | CN202193586U 用于立式油压千斤顶的集成式组合阀体 For integrated combination of vertical hydraulic jack body |
| 04/18/2012 | CN202193585U 千斤顶支承轴 Jack supporting shaft |
| 04/17/2012 | US8156694 Support pedestal for supporting an elevated building surface |
| 04/12/2012 | WO2012046491A1 Engagement chain |
| 04/11/2012 | EP2437999A1 Gear rack hoist configured as lifting gear and method for providing a required output for actuating the gear rack hoist |
| 04/11/2012 | DE202012003063U1 Scherenhubtisch Scissor |
| 04/11/2012 | CN202189758U 一种硅片装载自动提升装置 One kind of wafer loading automatic lifting device |
| 04/11/2012 | CN202186865U 一种弹簧连接机构及带该机构的千斤顶 A spring mechanism and with a jack to connect the institution |
| 04/11/2012 | CN202186864U 单向阀集成外置式千斤顶底板 External check valve integrated floor jack |
| 04/11/2012 | CN202186863U 单向阀集成外置式千斤顶之油缸与底板的密封连接装置 Integrated check valve cylinder and the bottom jack of the external seal connecting device |
| 04/11/2012 | CN202186862U 铁塔间隙撑开装置 Tower gap fixture |
| 04/11/2012 | CN102408082A One-way distance control electric jacking device |
| 04/05/2012 | US20120080653 Multiple axle lift system and method |
| 04/05/2012 | DE102010042011A1 Scissor-type lifting table for ramp, has drive including traction element whose one end is arranged at shaft and another end is fastened to fixation point, where platform is loaded against traction element |
| 04/04/2012 | CN202181187U 减速型剪刀式千斤顶 Deceleration type scissor jack |
| 04/04/2012 | CN202181186U 汽车发动机专用桥架 Automotive engine dedicated bridge |
| 04/04/2012 | CN102398872A 用于液压工程机械的二自由度下降式液压门架 Two degrees of freedom drop hydraulic mast hydraulic engineering machinery |
| 04/03/2012 | CA2754303A1 Air assisted heavy equipment support stand |
| 03/29/2012 | DE102010046769A1 Lifting column unit for electromotive height adjustment of piece of furniture, particularly table of table arrangement, has lifting column, particularly telescopic lifting column and electric drive motor in motor housing |
| 03/28/2012 | EP2433894A1 Hydraulic jack with locking |
| 03/28/2012 | EP2297021B1 Telescopically collapsible scissor car jack |
| 03/28/2012 | CN202175532U 一种管材扩胀式螺旋千斤顶壳体 Dilatation of a pipe screw jack housing |
| 03/28/2012 | CN102390791A Multistage mechanical flexible thruster |
| 03/27/2012 | US8141851 Portable vehicle lift |
| 03/22/2012 | WO2012035204A1 A hoisting device and a component module for a hoisting or transferring device |
| 03/22/2012 | US20120068134 Hydraulic jack with locking |
| 03/21/2012 | CN102381666A Movable jack universal wheel unloading device |
| 03/21/2012 | CN102381661A Water lifting platform |
| 03/21/2012 | CN102381658A Integrated combined valve body for vertical type hydraulic jack |
| 03/21/2012 | CN102381657A Micro jack |
| 03/15/2012 | US20120061936 Wheel axle lifter |
| 03/15/2012 | US20120061631 Pry bar with sliding fulcrum assembly |
| 03/14/2012 | CN202164554U 随动支撑装置 With the movable support means |
| 03/14/2012 | CN202164077U 一种电动液压千斤顶 An electric hydraulic jack |
| 03/14/2012 | CN202164076U 双小动力功能车用千斤顶 Small power dual function car jack |
| 03/14/2012 | CN202164075U 一种带有压力表的液压千斤顶 A hydraulic jack with pressure gauge |
| 03/14/2012 | CN202164074U 一种千斤顶顶杆 One kind of jack ram |
| 03/14/2012 | CN102374206A Oil cylinder with locking device |
| 03/14/2012 | CN102372236A High-output jacking device with composite rotation and vacuum transmission jacking equipment |