NANJING CHERVON INDUSTRY CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23D PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR 1317
 
  
 
B25F COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR 816
 
  
 
B27B SAWS; COMPONENTS OR ACCESSORIES THEREFOR 520
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 433
 
  
 
B23B TURNING; BORING 349
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 3104
 
  
 
1302 POWER TRANSFORMERS, RECTIFIERS, BATTERIES AND ACCUMULATORS332
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 238
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 292
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 285

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0076,676 ROTOR LAMINATION ASSEMBLYAug 25, 17Mar 15, 18[H02K]
2018/0056,497 ANGLE GRINDERAug 14, 17Mar 01, 18[B24B, B25F]
2017/0157,760 Active Cooling for Power Tool Gripping SurfacesDec 08, 15Jun 08, 17[B25F, B23D]
2016/0226,113 BATTERY PACKJan 25, 16Aug 04, 16[H01M]
2016/0204,674 ELECTRIC POWER TOOL AND MOTOR CONTROL METHOD THEREOFJan 13, 16Jul 14, 16[H02K, H02P]
2016/0121,513 Lower Blade Guard for a Circular SawOct 29, 15May 05, 16[B27B, B27G, B23D]
2015/0309,640 TOUCH SENSITIVE CONTROL FOR A TOOLApr 22, 15Oct 29, 15[H02P, G06F, B25F]
2014/0366,389 Substrate Specific Cutting GuideAug 27, 14Dec 18, 14[B27B]
2014/0262,403 TWO-SIDED SWITCH AND HANDLE FOR A POWER SAWMar 13, 14Sep 18, 14[B25F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9919411 Active cooling for power tool gripping surfacesDec 08, 15Mar 20, 18[B25F, B23D]
9923492 Electric power tool and motor control method thereofJan 13, 16Mar 20, 18[H02K, H02P]
9434008 Portable attachment for aligning a power tool and methodDec 14, 12Sep 06, 16[B23B, B25H]
9333638 Power tool including an anti-tilt structure for an accessoryNov 30, 12May 10, 16[B27B, B25F]
9304223 Device for locating objects and collecting debris and associated methodDec 20, 13Apr 05, 16[G01R, G01V]
9272890 Corkscrew assembly for use with a power toolNov 02, 12Mar 01, 16[B67B]
8850940 Integrated stand mount for miter sawJun 07, 11Oct 07, 14[B23D]
8826788 Work piece guide assembly for table sawMar 04, 10Sep 09, 14[B26D, B23D]
8671811 Pivoting saw systemSep 30, 11Mar 18, 14[B26D]
8607679 Laminate flooring sawMay 25, 12Dec 17, 13[B26D, B23D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0008,093 CORDLESS POWER TOOL WITH USB CHARGINGAbandonedJul 02, 13Jan 09, 14[B25F]
7665216 Saw blade clamping assembly for reciprocating sawExpiredDec 12, 06Feb 23, 10[B27B, B23D]
7352944 Laser alignment deviceExpiredAug 11, 06Apr 01, 08[G01C]
7330398 Ultrasonic range finderExpiredJul 06, 06Feb 12, 08[G01S]
2008/0007,711 Range finderAbandonedMar 23, 06Jan 10, 08[G02B, G01C]
7243734 Power tool with battery power supplyExpiredDec 28, 05Jul 17, 07[H02J]
2007/0137,450 Device for positioning a workpiece to be cut and a method of using the sameAbandonedDec 14, 06Jun 21, 07[B26D]
2007/0068,012 Reciprocating sawAbandonedSep 28, 06Mar 29, 07[B23D]
2007/0030,474 Optical range finderAbandonedAug 08, 06Feb 08, 07[G02B, G01C]
2007/0008,816 MIXERAbandonedJul 06, 06Jan 11, 07[B01F]
2007/0000,139 LASER LEVELING DEVICEAbandonedJun 28, 06Jan 04, 07[G01C]
2007/0002,684 MEANS FOR CONNECTING DRIVING SHAFT AND MIXING PADDLE OF A MIXERAbandonedJun 28, 06Jan 04, 07[B01F]
2006/0285,573 PORTABLE INCLINOMETERAbandonedJun 13, 06Dec 21, 06[G01N]
2006/0278,784 Mounting deviceAbandonedMar 08, 06Dec 14, 06[A47B, E04G]
2006/0231,705 Device with a suction cup for supporting and mounting articles to a surfaceAbandonedFeb 03, 06Oct 19, 06[A45D]
2006/0179,668 Device for adjusting foot plate of a jigsawAbandonedFeb 01, 06Aug 17, 06[B23D]
2006/0158,960 Mixer paddleAbandonedJan 18, 06Jul 20, 06[B01F]
2006/0143,928 Power tool with a tool storageAbandonedDec 27, 05Jul 06, 06[B26B]
2006/0109,450 Laser distance measuring deviceAbandonedNov 10, 05May 25, 06[G01C]
2006/0070,251 Line-marking device with rotatable laserAbandonedNov 28, 05Apr 06, 06[G01C]

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