ALLISON ADVANCED DEVELOPMENT COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 1154
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 1049
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 390
 
  
 
F02K JET-PROPULSION PLANTS 335
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS371
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
B64C AEROPLANES; HELICOPTERS 272
 
  
 
F23R GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS 227
 
  
 
B01D SEPARATION 1133
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8117828 Constant volume combustor having a rotating wave rotorNov 24, 09Feb 21, 12[F02K]
7842375 Fiber retention system for metal matrix composite preformMay 17, 05Nov 30, 10[B64C, B32B]
7575409 Apparatus and method for active control of blade tip clearanceJul 01, 05Aug 18, 09[F01D]
7384075 Threaded joint for gas turbine componentsMay 14, 04Jun 10, 08[]
7284958 Separable blade platformMar 12, 04Oct 23, 07[F01D]
7278830 Composite filled gas turbine engine blade with gas film damperMay 18, 05Oct 09, 07[F01D]
7225624 Method and apparatus for increasing the pressure of cooling fluid within a gas turbine engineJun 08, 04Jun 05, 07[F02C]
6935836 Compressor casing with passive tip clearance control and endwall ovalization controlJun 05, 03Aug 30, 05[F01D]
6820424 Combustor moduleSep 12, 01Nov 23, 04[F02C]
6698180 Particle separator for a turbine engineAug 12, 02Mar 02, 04[B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6916550 Method of manufacturing a metal matrix composite structureExpiredSep 11, 01Jul 12, 05[B26D, B23C, B32B]
6896483 Blade track assemblyExpiredJul 02, 02May 24, 05[F01D]
6668542 Pulse detonation bypass engine propulsion podExpiredMar 21, 02Dec 30, 03[F02K]
2002/0108,376 Thermal management system for turbomachineryAbandonedDec 21, 01Aug 15, 02[F02C]
2002/0029,845 Mechanically grooved sheet and method of manufactureAbandonedSep 12, 01Mar 14, 02[B32B]
6261699 Fiber reinforced iron-cobalt composite material systemExpiredApr 28, 99Jul 17, 01[B32B]
6234756 Segmented ring blade retainerExpiredOct 26, 98May 22, 01[F01D]
6224339 High temperature airfoilExpiredJul 08, 98May 01, 01[F01D]
5609471 Multiproperty rotor disk and method of manufactureExpiredDec 07, 95Mar 11, 97[F04D]

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