JENN FENG INDUSTRIAL CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A47L DOMESTIC WASHING OR CLEANING 258
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 139
 
  
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 132
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 171
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 193

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7584736 Lubrication device of four-stroke enginesOct 21, 08Sep 08, 09[F01M]
6909061 Trigger-brake structure for tool machineApr 07, 04Jun 21, 05[H01H]
D471371 ChairJul 25, 02Mar 11, 03[0601]
D469200 FlashlightMay 07, 02Jan 21, 03[2602]
6454020 Locking device for output shaft of electric toolsJan 29, 02Sep 24, 02[B23Q]
D431429 Motor housing for a powered lawn and garden implementMay 30, 97Oct 03, 00[0801]
D417371 Combined lower housing and shield of a powered lawn and garden implementMay 30, 97Dec 07, 99[0801]
D414088 Handle housing for a battery powered string trimmerJul 23, 97Sep 21, 99[0801]
D408700 Housing for an electric chainsawJul 23, 97Apr 27, 99[0803]
D408246 Housing for a battery operated chainsawJul 23, 97Apr 20, 99[0803]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8293567 CIGS solar cell having thermal expansion buffer layer and method for fabricating the sameExpiredJan 26, 11Oct 23, 12[H01L]
2011/0192,463 CIGS SOLAR CELL STRUCTURE AND METHOD FOR FABRICATING THE SAMEAbandonedApr 18, 11Aug 11, 11[H01L]
7922804 Method for preparing sol-gel solution for CIGS solar cellExpiredMar 25, 09Apr 12, 11[H01L]
2010/0243,043 Light Absorbing Layer Of CIGS Solar Cell And Method For Fabricating The SameAbandonedMar 25, 09Sep 30, 10[C23C, H01L]
2010/0236,616 CIGS SOLAR CELL HAVING THERMAL EXPANSION BUFFER LAYER AND METHOD FOR FABRICATING THE SAMEAbandonedMar 19, 09Sep 23, 10[C23C, H01L]
2010/0236,629 CIGS Solar Cell Structure And Method For Fabricating The SameAbandonedMar 19, 09Sep 23, 10[H01L]
2009/0040,770 Light Source ReflectorAbandonedAug 07, 07Feb 12, 09[F21V]
7249876 Lamp holder for high intensity discharge lampExpiredNov 05, 05Jul 31, 07[B60Q]
2005/0210,685 Brake mechanism for toolAbandonedMar 24, 04Sep 29, 05[B60T]
2003/0235,056 High/low switching mechanism of vehicle headlightAbandonedJun 22, 02Dec 25, 03[B60Q]
2003/0117,809 Headlamp baseAbandonedDec 21, 01Jun 26, 03[B60Q]
6146120 Rotary engine having an improved rotor structureExpiredJul 29, 98Nov 14, 00[F03C]
6094823 Method and apparatus for anchoring flails on a string trimmerExpiredMar 13, 98Aug 01, 00[A01D]
5987756 Head and head assembly for a string trimmerExpiredJul 23, 97Nov 23, 99[A01D]
5957721 Cord retainerExpiredJul 23, 97Sep 28, 99[H01R]
5950317 Wire guard assembly for a string trimmerExpiredJul 23, 97Sep 14, 99[A01G]
5933966 Shaft telescoping and rotational adjustment mechanism for a lawn and garden toolExpiredJul 23, 97Aug 10, 99[A01D]
5867911 Apparatus for adjusting relative positions of first and second membersExpiredJul 23, 97Feb 09, 99[F16C]
5531027 Hedge trimmer drive assemblyExpiredJul 21, 94Jul 02, 96[B26B]
D361251 Chain sawExpiredApr 19, 94Aug 15, 95[]

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