PERFECT UNION CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
2303 HEATING EQUIPMENT97
 
  
 
1401 EQUIPMENT FOR THE RECORDING OR REPRODUCTION OF SOUNDS OR PICTURES548
 
  
 
2304 VENTILATION AND AIR-CONDITIONING EQUIPMENT331
 
  
 
1212 PERAMBULATORS, INVALID CHAIRS, STRETCHERS211
 
  
 
2301 FLUID DISTRIBUTION EQUIPMENT248
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
  
 
B62K CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE133
 
  
 
F24F AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 144
 
  
 
F24H FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, IN GENERAL 126

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D809974 Foldable motorized vehicleMar 16, 16Feb 13, 18[1212]
9533729 Foldable electrically powered vehicleApr 20, 16Jan 03, 17[B62J, B62K]
9447981 Cooling fan having detachable heaterDec 06, 13Sep 20, 16[F24H, H05B, F24F]
D765559 Foldable motorized vehicleMar 06, 15Sep 06, 16[1212]
9339827 Portable misting fanJul 14, 14May 17, 16[B05B, B01F]
8894049 Fan heater with humidifierJun 13, 12Nov 25, 14[B01F]
D701950 Ceiling electronic heaterApr 19, 13Apr 01, 14[2303]
D691250 Electronic heaterOct 29, 12Oct 08, 13[2303]
D680636 Electronic humidifier and heaterMar 23, 12Apr 23, 13[2304]
D674067 Bedside cabinet electronic heaterMar 23, 12Jan 08, 13[2301]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0204,340 BRUSHLESS DC MOTOR FAN CONTROLLED EITHER REMOTELY OR BY CONDUCTING WIREAbandonedJan 20, 14Jul 23, 15[F04D]
2011/0268,567 COOLING OR HEATING FAN MAGNETICALLY ATTACHABLE TO METAL BOARDAbandonedApr 29, 10Nov 03, 11[F01D]
7450356 Rotation speed controller for fansExpiredOct 06, 06Nov 11, 08[H02H]
7118407 Power plug with overloaded displayExpiredApr 02, 04Oct 10, 06[H01R]
2005/0197,010 Safety plugAbandonedApr 02, 04Sep 08, 05[H01R]
6265698 Overheating protector for heatersExpiredApr 19, 00Jul 24, 01[H05B]
6147862 Quick-detachable computer housingExpiredAug 26, 98Nov 14, 00[G06F]

Top Inventors for This Owner

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