NORTHWESTERN POLYTECHNICAL UNIVERSITY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 3104
 
  
 
B64C AEROPLANES; HELICOPTERS 173
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 155
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 179
 
  
 
H02N ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR130

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9749745 Low noise differential microphone arraysDec 28, 15Aug 29, 17[H04R]
9560463 Multistage minimum variance distortionless response beamformerJul 07, 15Jan 31, 17[H04R]
9237391 Low noise differential microphone arraysDec 04, 12Jan 12, 16[H04R]
8746619 Tail capable of improving anti-bird strike performance of aircraftSep 28, 12Jun 10, 14[B64D, B64C]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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