UQM TECHNOLOGIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 1097
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS297
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 186
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 1155

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0104,380 SLOT LINER THERMAL CONDUCTIVITY FOR ELECTRIC MOTORSNov 24, 15Apr 13, 17[H02K]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8928198 Brushless PM machine construction enabling low coercivity magnetsFeb 28, 12Jan 06, 15[H02K]
8754560 Rotor for a permanent magnet electric machineNov 25, 09Jun 17, 14[H02K]
7755244 Stator for permanent magnet electric motor using soft magnetic compositesMay 11, 07Jul 13, 10[H02K]
7598645 Stress distributing permanent magnet rotor geometry for electric machinesMay 09, 07Oct 06, 09[H02K]
7176385 EMI protection and fuel cell systems employing the sameNov 05, 03Feb 13, 07[H05K]
6693422 Accurate rotor position sensor and method using magnet and sensors mounted adjacent to the magnet and motorFeb 14, 03Feb 17, 04[G01B]
6522130 Accurate rotor position sensor and method using magnet and sensors mounted adjacent to the magnet and motorJul 20, 98Feb 18, 03[G01B]
5982063 Electric motor with internal brakeDec 18, 97Nov 09, 99[H02K]
5677605 Brushless DC motor using phase timing advancementFeb 15, 96Oct 14, 97[H02P]
5592731 Method of constructing a statorOct 21, 94Jan 14, 97[H02K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0191,489 Distributed Generation Power SystemAbandonedJan 28, 09Jul 29, 10[G06F, G01R]
2004/0061,390 Apparatus and method for connecting parallel stator windingsAbandonedOct 01, 02Apr 01, 04[H02K]
2004/0036,367 Rotor cooling apparatusAbandonedJan 30, 02Feb 26, 04[H02K]
2004/0012,284 Segmented machine casing and method of making the sameAbandonedJul 18, 02Jan 22, 04[H02K]
5670838 Electrical machinesExpiredDec 06, 93Sep 23, 97[H02K]
5107151 Switching circuit employing electronic devices in series with an inductor to avoid commutation breakdown and extending the current range of switching circuits by using IGBT devices in place of MOSFETsExpiredMay 30, 90Apr 21, 92[H03K]
5004944 Lightweight high power electromagnetic transducerExpiredNov 27, 87Apr 02, 91[H02K]
4216839 Electrically powered motor vehicleExpiredJul 20, 78Aug 12, 80[B62D, B60L]

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