AIR CHINA LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B64D EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS860
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR760
 
  
 
0505 TEXTILE FABRICS75
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 455
 
  
 
G07C TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS, OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE 443
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 362
 
  
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 330
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 398
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2013/0019,865 METHOD AND SYSTEM FOR DETECTING THE PERFORMANCE OF A CREW OXYGEN SYSTEMJun 20, 12Jan 24, 13[A62B]
2013/0013,222 METHOD FOR DETECTING THE PERFORMANCE OF AUXILIARY POWER UNITJul 06, 12Jan 10, 13[G01M, G06F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9790826 System and method for monitoring lubricant of an engineJul 23, 14Oct 17, 17[F01M, G01N]
9746851 Apparatus and method for testing aircraft message trigger logicsMay 21, 14Aug 29, 17[G07C, G05B, B64D]
9696239 Method and apparatus for monitoring turbine efficiency of aircraft auxiliary power unitJul 23, 14Jul 04, 17[G01M, G07C, F02C, F01D]
9689311 Method for monitoring performance of the lubricant cooler in aircraft auxiliary power unitJul 23, 14Jun 27, 17[G01M, F01M, B64D, F02C]
9657649 Method and apparatus for detecting performance of an APU fuel assemblyJul 23, 14May 23, 17[G01M, G05B, F02C]
9639997 Test apparatus and test method based on DFDAUMay 21, 14May 02, 17[G07C, H04B, G05D, B64D]
9632010 Method and device for monitoring the malfunction of APU turbine vane fracture and rotor shaft jamJul 23, 14Apr 25, 17[G01M, G05B, G01N, B64F, F02C, F01D]
9581124 Method and apparatus for detecting performance of an APU starterJul 23, 14Feb 28, 17[G07C, F02N, G05B, B64D]
9457913 System and method for detecting an aircraft jitterJul 23, 14Oct 04, 16[G01M, G06F, B64F, B64D]
9452847 System and method for detecting addition of engine lubricantJul 23, 14Sep 27, 16[F01M, B64D, F01D]

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Expired/Abandoned/Withdrawn Patents

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