PRATT & WHITNEY CANADA CORP.

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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 4217
 
 
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 4036
 
 
 
F23R GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS 898
 
 
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS7417
 
 
 
F02K JET-PROPULSION PLANTS 717
 
 
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 5529
 
 
 
B64D EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS4628
 
 
 
H02K DYNAMO-ELECTRIC MACHINES 4266
 
 
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 405
 
 
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 3921

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0072,402 PROPELLOR BLADE ANGLE CONTROL SYSTEMJun 02, 17Mar 15, 18[F01M, B64C]
2018/0073,428 REVERSE-FLOW GAS TURBINE ENGINESep 15, 16Mar 15, 18[F02C, F02K]
2018/0073,429 REVERSE FLOW GAS TURBINE ENGINE WITH OFFSET RGBJan 17, 17Mar 15, 18[F02C]
2018/0073,435 NOISE-MITIGATING TRANSFER DUCT FOR ACTIVE TIP CLEARANCE CONTROL SYSTEM OF GAS TURBINE ENGINESep 09, 16Mar 15, 18[F02C, F01D]
2018/0066,522 AIRFOIL WITH STEPPED SPANWISE THICKNESS DISTRIBUTIONNov 09, 17Mar 08, 18[F04D, F01D]
2018/0066,604 INTEGRATED TURBINE EXHAUST STRUTS AND MIXER OF TURBOFAN ENGINEAug 09, 17Mar 08, 18[F02K, F01D]
2018/0051,634 SYSTEM AND METHOD FOR SEALING A FLUID SYSTEM IN A SAFETY CONDITIONAug 18, 16Feb 22, 18[F16J, F02C]
2018/0045,608 METHOD OF FACILITATING VISUAL DETECTION OF A CRACK IN A COMPONENT OF A GAS TURBINE ENGINEOct 03, 17Feb 15, 18[C23C, F01D, G01M]
2018/0038,279 BYPASS DUCT LOUVER FOR NOISE MITIGATIONSep 26, 16Feb 08, 18[F02C]
2018/0038,284 APPARATUS AND METHOD FOR DETECTING A THRESHOLD VIBRATION CONDITION IN A GAS TURBINE ENGINEAug 05, 16Feb 08, 18[F02C]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9919500 Inner bypass ductSep 29, 14Mar 20, 18[B32B, F02C, F01D]
9908170 Blade for axial compressor rotorJun 27, 14Mar 06, 18[B21D, F04D, F01D]
9909425 Blade for a gas turbine engineOct 31, 11Mar 06, 18[F04D, F01D]
9909434 Integrated strut-vane nozzle (ISV) with uneven vane axial chordsNov 12, 15Mar 06, 18[F01D]
9909501 Acoustic structure for a gas turbine engineMar 28, 14Mar 06, 18[F23M, F02C, F02K]
9903275 Aircraft components with porous portion and methods of makingFeb 27, 14Feb 27, 18[B22F, F02C, F01D]
9906201 Dynamically detecting resonating frequencies of resonating structuresMay 26, 15Feb 27, 18[G05B, H03H, H03G, B64C]
9896934 Rotary engine with rotor landDec 17, 13Feb 20, 18[F02B, F01C]
9896953 Seal runnerDec 15, 14Feb 20, 18[F16J, F01D]
9896990 Internal combustion engine with port communicationJun 20, 17Feb 20, 18[F02B, F01C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0030,213 TURBINE SECTION WITH TIP FLOW VANESAbandonedJul 31, 15Feb 02, 17[F02C, F01D]
2016/0279,737 LASER DRILLING THROUGH MULTI-LAYER COMPONENTSAbandonedMar 26, 15Sep 29, 16[B23K]
2015/0096,641 FLOW REGULATING APPARATUSAbandonedOct 04, 13Apr 09, 15[F15D]
2014/0260,283 GAS TURBINE ENGINE EXHAUST MIXER WITH AERODYNAMIC STRUTSAbandonedMar 12, 13Sep 18, 14[F02K]
2014/0255,613 LOW ENERGY PLASMA COATINGAbandonedMar 05, 13Sep 11, 14[C23C]
2014/0257,597 INTERFACE SYSTEM FOR MULTIPLE PROTOCOLSAbandonedMar 11, 13Sep 11, 14[G05D]
2014/0238,038 GAS TURBINE VARIABLE FOCUS LASER IGNITIONAbandonedFeb 22, 13Aug 28, 14[F02C]
2014/0241,899 BLADE LEADING EDGE TIP RIBAbandonedFeb 25, 13Aug 28, 14[F01D]
2014/0244,132 SYSTEM AND METHOD FOR 0N-WING ENGINE TRIM VERIFICATIONAbandonedFeb 22, 13Aug 28, 14[B64D]
2014/0153,095 POLARIZING PLATE HAVING PRESSURE-SENSITIVE ADHESIVE LAYER AND IMAGE DISPLAY DEVICEAbandonedFeb 07, 14Jun 05, 14[G02B]
2014/0145,525 REDUCED COGGING TORQUE PERMANENT MAGNET MACHINEAbandonedNov 28, 12May 29, 14[H02K]
2014/0077,507 PRESSURIZATION OF GENERATORAbandonedSep 14, 12Mar 20, 14[H02K]
2014/0017,477 Thermal Barrier Coating with Lower Thermal ConductivityAbandonedSep 17, 13Jan 16, 14[C04B, F01D]
2013/0255,277 GAS TURBINE ENGINE NOSE CONEAbandonedMar 30, 12Oct 03, 13[B05D, F02C, F01D]
2013/0251,500 GAS TURBINE ENGINE CASE WITH HEATING LAYER AND METHODAbandonedMar 23, 12Sep 26, 13[F01D]
2013/0156,558 ANNULAR GAS TURBINE ENGINE CASE AND METHOD OF MANUFACTURINGAbandonedFeb 14, 13Jun 20, 13[F01D]
2013/0087,632 GAS TURBINE ENGINE EXHAUST EJECTOR NOZZLE WITH DE-SWIRL CASCADEAbandonedOct 11, 11Apr 11, 13[B63H]
2013/0028,773 APEX SEAL FOR ROTARY INTERNAL COMBUSTION ENGINEAbandonedOct 13, 11Jan 31, 13[F16J, F02B]
2013/0020,291 LASER DRILLING METHODS OF SHALLOW-ANGLED HOLESAbandonedJul 19, 11Jan 24, 13[B23K]
2012/0249,034 POSITION SENSING CIRCUIT FOR BRUSHLESS MOTORSAbandonedMar 30, 11Oct 04, 12[H02P]

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