Piasecki Aircraft Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B64C AEROPLANES; HELICOPTERS 965
 
  
 
B64D EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS464
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 381
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B60F VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES 16
 
  
 
F03D WIND MOTORS139

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9045226 Modular and morphable air vehicleMay 16, 11Jun 02, 15[B64D, B64C]
8863382 Highly reliable, low cost wind turbine rotor bladeJan 24, 12Oct 21, 14[B23P, F03D]
8463465 Compound aircraft control system and methodJun 29, 10Jun 11, 13[G06F, G05D]
8192169 Highly reliable, low cost wind turbine rotor bladeApr 09, 10Jun 05, 12[B64C]
7908044 Compound aircraft control system and methodJul 03, 08Mar 15, 11[G05D]
7823827 Vectored thruster augmented aircraftJul 24, 07Nov 02, 10[B64C]
7438259 Compound aircraft control system and methodAug 16, 06Oct 21, 08[B64C]
6098921 Rotary wing aircraft supplementary power drive systemMay 06, 99Aug 08, 00[B64C]
5393015 Rotary wing aircraft in-flight refueling deviceJun 01, 93Feb 28, 95[B64D]
5277381 Rotary wing aircraft shrouded propeller sidewall thrusterAug 12, 92Jan 11, 94[B64C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0216,392 VECTORED THRUSTER AUGMENTED AIRCRAFTAbandonedJul 11, 07Aug 27, 09[G05D, B64C]
2004/0005,929 Star flexible couplingAbandonedJul 03, 02Jan 08, 04[F16D]
6565828 Macrocyclic chelants for metallopharmaceuticalsExpiredApr 05, 01May 20, 03[A61K, A61M]
5123613 Rotary wing aircraft shrouded propeller tail assembly and controlsExpiredSep 06, 89Jun 23, 92[B64C]
4995572 High altitude multi-stage data acquisition system and method of launching stratospheric altitude air-buoyant vehiclesExpiredJun 05, 89Feb 26, 91[B64C]
4905932 Rotary wing aircraft shrouded propeller tail assemblyExpiredJun 21, 88Mar 06, 90[B64C]
4624599 Multi-tubular truss joint and method of joining tube endsExpiredJun 14, 84Nov 25, 86[F16D, B64C]
4591112 Vectored thrust airshipExpiredOct 12, 79May 27, 86[B64B]

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