Patents
Sitemap › B66 - Hoisting; Lifting; Hauling › B66F - Hoisting, lifting, hauling, or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load › B66F 3 - Devices, e.g. jacks, adapted for uninterrupted lifting of loads
Patents for B66F 3 - Devices, e.g. jacks, adapted for uninterrupted lifting of loads (6,643)
12/2012
12/27/2012WO2012135078A3 Scissor lift
12/26/2012CN202625736U Upper-layer lifting mechanism of rail transport platform car
12/26/2012CN202625731U Hydraulic pump used for combined type jack
12/26/2012CN202625730U Oil jack with pneumatic pump
12/26/2012CN202625729U Pneumatic jack adopting quick screwed connector to perform gas circuit connection
12/26/2012CN202625728U Pneumatic jack with movable handle
12/26/2012CN202625727U Engineering truck and hoisting hydraulic system thereof
12/26/2012CN202625726U Large-tonnage jacking-pressing type front-clamping jack
12/26/2012CN202625725U Matching parts hard-hermetical pneumatic lifting machine for hydraulic jack
12/26/2012CN202625724U Pneumatic ejector with ejector head carriers
12/26/2012CN202625723U Mechanical jack
12/26/2012CN202625722U Lifting jack
12/26/2012CN202625721U Pneumatic top of foldable handle
12/26/2012CN202625720U Pneumatic jack capable of exhausting conveniently
12/26/2012CN202625163U Power-driven lifting roller conveyor with guide wheels
12/26/2012CN102842865A Overhead ground wire lifting mechanism
12/26/2012CN102092653B Oil pressure hoisting jack provided with safe release valve
12/26/2012CN101723280B Elastic connecting device for jack handle
12/25/2012US8336860 Method and apparatus for gripping chain
12/25/2012US8336859 Apparatus for tensioning a strap
12/20/2012WO2012173567A1 Support device, station and method for supporting a container
12/19/2012CN202609862U Adjustable back shore expansion device
12/19/2012CN102826481A Ultrahigh-pressure powerful jack
12/19/2012CN102826480A Structurally-improved oil-return device of hydraulic jack
12/18/2012US8333365 Hydraulic jack for long-term support
12/13/2012US20120313059 Laboratory jack
12/12/2012EP2531438A2 A telescopically lenghtening/ shortening power unit
12/12/2012EP2531436A1 A device for lifting and lowering
12/12/2012CN202594708U Car electric lifting jack
12/12/2012CN202594707U Hydraulic jack
12/12/2012CN202594706U Special rail lifting device
12/12/2012CN202594705U Self-rescue gate crashing and escaping device
12/12/2012CN202591331U Automatic lifting device of bending machine linear guide rail
12/12/2012CN202591298U Multifunctional bracket of jack
12/12/2012CN102815639A 简易千斤顶 Simple Jack
12/12/2012CN102814013A Multi-functional reinforcement forcible entry device
12/12/2012CN102153030B Multi-purpose hoister for engineering installation
12/12/2012CN101966970B 剪式千斤顶 Scissor jack
12/12/2012CN101670991B Engagement chain type driving device
12/11/2012US8328164 Pry bar tool for apiarists
12/06/2012US20120305867 Transpallet
12/05/2012CN202580089U Ultrahigh-pressure ball valve and hydraulic jack with same for high-speed railway girder erection
12/05/2012CN202579685U High-pressure jacking device for vertical sliding bearing
12/05/2012CN202575858U Assembly embedded type jack
12/05/2012CN202575857U Lifting jack for aviation
12/05/2012CN202575856U Advancing jack
12/05/2012CN202575855U Horizontal hydraulic jack
12/05/2012CN202575854U Cylinder structure of hydraulic jack
12/05/2012CN202575853U Piston rod sealing device of hydraulic jack
12/05/2012CN202575852U Computer-controlled hydraulic jacking system
12/05/2012CN202575851U Bidirectional lifting jack
12/05/2012CN202575850U Screw rod connecting structure for scissor jack and scissor jack provided with same
12/05/2012CN202575849U Lead screw lifter
12/05/2012CN202575848U Extra-large nut jacking fastening device
12/05/2012CN202575847U Antiskid type car jack
12/05/2012CN202575771U Double-cylinder central hydraulic jacking device
12/05/2012CN102807174A Synchronous jacking process of rolled pipes for ultra-large deepwater jacket
12/05/2012CN102807173A Novel spiral jack
12/05/2012CN101704487B Limiting mechanism of multisection hydraulic jack
12/04/2012US8322688 Landing jack lift
11/2012
11/29/2012WO2012135934A3 A vehicle-mounted articulated arm for discharging bins
11/28/2012CN202558549U Oil pump for jack
11/28/2012CN202558548U Dwarf-form mechanical interlocking type hydraulic jack
11/28/2012CN202558547U Elevator
11/28/2012CN202558546U Rack type lifting jack
11/28/2012CN202558545U Wheel structure of jack
11/28/2012CN102795571A Novel screw jack mechanism
11/28/2012CN102092655B Power-driven hydraulic jack provided with load power-off protective device
11/28/2012CN102092654B Electric hydraulic jack device
11/28/2012CN102092652B Rescue ram with auxiliary device
11/28/2012CN102086637B Large high-pressure seamless rubber airbag and production process thereof
11/27/2012US8319422 Electroluminescent element and light-emitting device
11/22/2012WO2012155206A1 Improvements to haul bodies and related apparatus
11/22/2012CA2835917A1 Improvements to haul bodies and related apparatus
11/21/2012CN202542772U Novel jack
11/21/2012CN202542771U Manual control hydraulic loading device
11/21/2012CN102786010A Hydraulic conversion type lifting device
11/21/2012CN102786009A Boom adjustable horizontal hydraulic jack with zipper device
11/21/2012CN102009923B Oil return structure for hydraulic jack
11/21/2012CN101468779B Hoisting device for submerged pump bracket
11/20/2012US8312608 System and method for toilet unit installation and removal
11/15/2012WO2012152961A1 Interlocking hydraulic jack
11/15/2012WO2012091966A3 Single-use jack
11/15/2012US20120286223 Pneumatic vehicle door spreader
11/15/2012US20120286222 Vehicle lift system accessory
11/15/2012US20120286221 Drive system for telescopic legs for tables
11/14/2012EP2522619A1 Drive system for telescopic legs for tables
11/14/2012CN202529778U Portable electric lifting device
11/14/2012CN202529777U Pneumatic hydraulic jack
11/14/2012CN202529776U Hydraulic loading and unloading mechanism for pit barring carrier
11/14/2012CN202529775U Automobile jack
11/14/2012CN202529774U Vehicle-mounted jack
11/14/2012CN102774779A Air bag jack
11/14/2012CN102774778A Jack support seat
11/13/2012US8308151 Elevator assembly for robotic positioning of a workpiece
11/13/2012US8308136 Tool, system and method for railcar maintenance
11/13/2012US8308135 Device for adjusting and maintaining the height of a seat
11/13/2012US8308134 Mobile jack with locking assembly
11/08/2012WO2012150753A1 Air lifting system having piston locking means
11/08/2012US20120279144 Retractable column and method of forming
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