NARTRON CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119
 
  
 
H03K PULSE TECHNIQUE 1130

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9705494 Vehicle assemblies having fascia panels with capacitance sensors operative for detecting proximal objectsAug 21, 09Jul 11, 17[H03K, E05F]
RE35428 Electronic rheostat method and apparatusJun 19, 92Jan 21, 97[H02J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5239935 Oscillating damper and air-swept distributorExpiredNov 19, 91Aug 31, 93[F23K]
5229579 Motor vehicle heated seat controlExpiredMar 02, 90Jul 20, 93[H05B]
5036275 Inductive coupling position sensor method and apparatus having primary and secondary windings parallel to each otherExpiredOct 26, 89Jul 30, 91[B60G]
5010972 Combination vehicular braking and accessory control systemExpiredJul 06, 89Apr 30, 91[B60K]
5003288 Ambient light sensing method and apparatusExpiredOct 25, 88Mar 26, 91[B60Q]
4978177 Signal mechanism responsive to force applied to vehicular brake pedal and the likeExpiredJul 06, 89Dec 18, 90[B60T]
4935641 Electronic rheostat method and apparatusExpiredAug 02, 88Jun 19, 90[H02J]
4926025 Electrically heated seat resistive heating element energization systemExpiredMar 06, 89May 15, 90[H05B]
4882586 Analog-to-digital converterExpiredOct 24, 86Nov 21, 89[H03M]
4841198 Head lamp control method and apparatus, with PWM output regulationExpiredOct 19, 87Jun 20, 89[B60Q]
4831279 Capacity responsive control circuitExpiredJan 27, 88May 16, 89[G08B, H01H]
4825385 Speech processor method and apparatusExpiredSep 06, 88Apr 25, 89[G10L]
4797924 Vehicle voice recognition method and apparatusExpiredOct 25, 85Jan 10, 89[G10L]
4771390 Motor vehicle speech processor method and apparatusExpiredAug 22, 83Sep 13, 88[G10L]
4758735 DC touch control switch circuitExpiredApr 15, 87Jul 19, 88[H05B, H01H]
4757542 Speech synthesizer method and apparatusExpiredDec 04, 85Jul 12, 88[G10L]
4731548 Touch control switch circuitExpiredSep 29, 86Mar 15, 88[H01H]
4689609 Electronic horn with spiral deflecting walls coupled to a truncated cone structureExpiredDec 04, 85Aug 25, 87[G08B, G10K]
4672278 Antenna relay method and apparatusExpiredOct 02, 86Jun 09, 87[H02P]
4621327 Electronic power steering method and apparatusExpiredJun 13, 84Nov 04, 86[B62D]

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