ONAN CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 490
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 3117
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 275
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 171
 
  
 
F02D CONTROLLING COMBUSTION ENGINES 172
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 1153

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6965818 Mobile energy management systemNov 28, 01Nov 15, 05[H02J, H01M, H02H]
6919518 Phase flux barriers for transfer switchFeb 19, 02Jul 19, 05[H01H]
6798627 Engine generator set systems and methods providing load power fault protectionFeb 05, 02Sep 28, 04[H02H]
6765157 Transfer switch with improved actuatorJul 24, 02Jul 20, 04[H01H]
6737762 Generator with DC boost for uninterruptible power supply system or for enhanced load pickupOct 26, 01May 18, 04[H02J]
6700087 Arc chute assemblyJul 24, 02Mar 02, 04[H01H]
6639331 Parallel generator power systemNov 30, 01Oct 28, 03[H02J]
6534737 Contact closing speed limiter for a transfer switchFeb 19, 02Mar 18, 03[H01H]
6355986 Generator set control apparatus and method to avoid vehicle resonancesJun 16, 00Mar 12, 02[F02B, F02D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6309178 Downstream guiding device for fan-radiator cooling systemExpiredSep 22, 99Oct 30, 01[F04D]
4543927 Engine control circuitExpiredDec 08, 83Oct 01, 85[F01L]
4528966 Propane fuel systemExpiredAug 06, 84Jul 16, 85[F02B]
4492208 Liquid propane gas fuel systemExpiredJul 01, 83Jan 08, 85[F02B]
4490638 Salient pole rotor with amortisseur windingExpiredAug 08, 83Dec 25, 84[H02K]
4423336 Electromechanically controlled automatic transfer switch and bypass switch assemblyExpiredMay 17, 82Dec 27, 83[H02J]

Top Inventors for This Owner

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