Power Network Industry Co., Ltd.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B25D PERCUSSIVE TOOLS 317
 
  
 
B23B TURNING; BORING 250
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 238
 
  
 
B25B TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING242
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 289
 
  
 
F16H GEARING298
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
E21B EARTH OR ROCK DRILLING 195

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9227313 Operation mode switching mechanismNov 27, 12Jan 05, 16[B25D, B25B, B25F]
8142326 Multi-gear mechanism for power toolsAug 25, 09Mar 27, 12[B25D, F16H]
7841424 Power output mechanism for power toolsMay 08, 08Nov 30, 10[E21B]
7377331 Damping driving axleApr 06, 05May 27, 08[B23Q]
6959478 Shockproof spindleNov 01, 03Nov 01, 05[B23P]
6926095 Power tool transmission deviceAug 11, 03Aug 09, 05[B25D]
6824491 Power transmission device with automatic speed switching mechanismMar 25, 03Nov 30, 04[F16H]
6715562 Output shaft locking deviceMay 08, 03Apr 06, 04[B23Q]
6533093 Torque adjusting device for a drillApr 19, 01Mar 18, 03[B23B, F16D]
6338404 Locking device of power hand toolMay 22, 00Jan 15, 02[B25B, F16D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0034,617 LOCKING DEVICEAbandonedAug 05, 09Feb 11, 10[F16B]
2009/0229,397 Protection Device For Speed Shifting MechanismAbandonedMar 16, 08Sep 17, 09[F16H]
2009/0169,336 Locking Device With Quick Release MechanismAbandonedDec 27, 07Jul 02, 09[F16B]
2009/0151,966 Switching Device For Impact Power ToolAbandonedJan 29, 08Jun 18, 09[B25D]
6939262 Multiple gearing switch deviceExpiredFeb 27, 04Sep 06, 05[0000]
6758783 Automatic speed shifting deviceExpiredMar 22, 03Jul 06, 04[F16H]
6682284 Nut having locking mechanism and low operating torque requirementExpiredJun 04, 02Jan 27, 04[F16B]

Top Inventors for This Owner

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