CHANGSHU TONGRUN AUTO ACCESSORY CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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 518
 
  
 
A62B DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING 235
 
  
 
B25H WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS 113
 
  
 
B62B HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES 127
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 144
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183
 
  
 
1205 ELEVATORS AND HOISTS FOR LOADING OR CONVEYING118

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9809431 Oil return mechanismApr 17, 15Nov 07, 17[F16K, F04B, F15B, G05D, B66F]
9499377 Adjustable hydraulic jack with a slider locking structureJul 14, 14Nov 22, 16[B66F]
8905377 Boom-adjustable horizontal hydraulic jack with a pull-lock mechanismNov 30, 12Dec 09, 14[B66F]
8746708 Creeper for car repairingJun 23, 11Jun 10, 14[B25H]
D682501 Aluminum alloy jackApr 12, 12May 14, 13[1205]
8376319 Hydraulic jack capable of displaying load and overload warningMay 03, 10Feb 19, 13[E21D, B62B, B66F, A62B]
8348237 One kind of foot pedal hydraulic jack with two speed pump, and there is a pneumatic set to lift piston quickly on the jackNov 17, 08Jan 08, 13[F15B, B66F]
8297595 Adjustable hydraulic horizontal jackJan 27, 10Oct 30, 12[A62B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0314,124 Non-Cylinder Shear Jack Handle and Elastic Connecting DeviceAbandonedFeb 10, 09Dec 24, 09[G05G]
2009/0296,380 KIND OF LIGHTING SET FOR THE FLOOR JACKAbandonedFeb 10, 09Dec 03, 09[F21L, B66F]
2009/0245,932 KIND OF OPERATING HANDLE'S LINK SET FOR THE JACKAbandonedJan 30, 09Oct 01, 09[F16B, B25G]

Top Inventors for This Owner

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