PROPAGATION RESEARCH ASSOCIATES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES5104
 
  
 
H04B TRANSMISSION 4206
 
  
 
B64D EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS167
 
  
 
F41F APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS 110
 
  
 
F41G WEAPON SIGHTS; AIMING 128
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 148
 
  
 
H04J MULTIPLEX COMMUNICATION 1124

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9696418 Systems, methods and computer-readable media for improving platform guidance or navigation using uniquely coded signalsApr 27, 16Jul 04, 17[F41F, F41G, H03D, G01S, B64D]
9529078 Using orthogonal space projections to generate a constant false alarm rate control parameterJul 28, 15Dec 27, 16[H04B, G01S, H04J]
9401741 Methods and systems for mitigating signal interferenceJan 15, 13Jul 26, 16[H04B]
9215012 Method and system for using orthogonal space projections to mitigate interferenceApr 26, 13Dec 15, 15[H04B]
9103910 Using orthogonal space projections to generate a constant false alarm rate control parameterDec 30, 14Aug 11, 15[H04B, G01S]
8854252 Multi-mode, multi-static interferometer utilizing pseudo orthogonal codesJul 16, 09Oct 07, 14[H04B, G01S]
8432306 Method and apparatus for the nowcast of lightning threat using polarimetric radarOct 15, 10Apr 30, 13[G01S]

Expired/Abandoned/Withdrawn Patents

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