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Assignee profile:

PRATT & WHITNEY CANADA CORP.

City:

Longueuil

Country:

Canada

Published Applications:

2,032

Last publication date:

2026-06-23

Patent Grants:

2,028

Last grant date:

2026-06-23

Quarterly PRATT & WHITNEY CANADA CORP. Patent Applications

Top Inventors for applications by PRATT & WHITNEY CANADA CORP.

These are the the leading inventors for applications assigned to PRATT & WHITNEY CANADA CORP.:

Recent patent applications by PRATT & WHITNEY CANADA CORP.

PRATT & WHITNEY CANADA CORP. based in Longueuil, CA has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2026-06-23 ✅ Patent 12,663,014 granted on 2026-06-23
US19250227
Mechanical engineering

Bi-metal impeller rotor

 #2 | 2026-06-23 ✅ Patent 12,662,944 granted on 2026-06-23
US19217490
Mechanical engineering

Combustor scroll de-swirler

 #3 | 2026-06-23 ✅ Patent 12,662,948 granted on 2026-06-23
US19038048
Mechanical engineering

Turbine exhaust duct with probe interface

 #4 | 2026-06-16 ✅ Patent 12,655,776 granted on 2026-06-16
US19343751
Mechanical engineering

Method and apparatus for impeller retention during assembly of a turbine engine

 #5 | 2026-06-16 ✅ Patent 12,655,796 granted on 2026-06-16
US19330459
Mechanical engineering

Impeller backface cooled P3 passage through diffuser/reducing high temp exposure of cooled air

 #6 | 2026-06-02 ✅ Patent 12,644,387 granted on 2026-06-02
US19185530
Mechanical engineering

Turbine vane assembly for controlling tip clearance

 #7 | 2026-05-26 ✅ Patent 12,638,180 granted on 2026-05-26
US19217502
Mechanical engineering

Combustor inlet plenum and baffle

 #8 | 2026-05-26 ✅ Patent 12,637,225 granted on 2026-05-26
US19190201
Performing operations; transporting

System and method for managing electric motor propulsion command limits on a hybrid rotorcraft

 #9 | 2026-05-26 ✅ Patent 12,637,226 granted on 2026-05-26
US18960322
Performing operations; transporting

Bifurcated exhaust duct for hybrid aircraft powerplant

 #10 | 2026-05-21 ✅ Patent 12,637,986 granted on 2026-05-26
US20260139634A1
Mechanical engineering

GAS TURBINE ACCELERATION LIMIT BIASING FOR PREMATURE ASYMMETRIC OPERATING REGIME EXITS

 #11 | 2026-05-21 ✅ Patent 12,644,407 granted on 2026-06-02
US20260139618A1
Mechanical engineering

TRACTOR AIRCRAFT POWER PLANT WITH SWIRL RECOVERY VANES

 #12 | 2026-05-19 ✅ Patent 12,631,141 granted on 2026-05-19
US19193000
Mechanical engineering

Shaft centering systems for air bearings

 #13 | 2026-05-19 ✅ Patent 12,631,125 granted on 2026-05-19
US19185887
Mechanical engineering

Compressor cooling system for a turbofan engine

 #14 | 2026-05-12 ✅ Patent 12,624,660 granted on 2026-05-12
US19084970
Mechanical engineering

Hybrid aircraft power plant with ventilated exhaust duct cavity

 #15 | 2026-05-12 ✅ Patent 12,624,664 granted on 2026-05-12
US19083117
Mechanical engineering

Overspeed protection for a turbocompressor of an aircraft powerplant assembly

 #16 | 2026-05-05 ✅ Patent 12,618,342 granted on 2026-05-05
US19201250
Mechanical engineering

Turbine exhaust case with stiffening brace

 #17 | 2026-05-05 ✅ Patent 12,617,541 granted on 2026-05-05
US18987246
Performing operations; transporting

Exhaust case for aircraft engine

 #18 | 2026-04-30 ✅ Patent 12,631,148 granted on 2026-05-19
US20260117712A1
Mechanical engineering

SYSTEMS AND METHODS FOR OPERATING AN AIRCRAFT ENGINE USING MULTIPLE FUEL TYPES

 #19 | 2026-04-30 ✅ Patent 12,631,129 granted on 2026-05-19
US20260117680A1
Mechanical engineering

AIRCRAFT ENGINE HAVING SCROLL CASE WITH FLANGE CONNECTION

 #20 | 2026-04-21 ✅ Patent 12,607,133 granted on 2026-04-21
US19220562
Mechanical engineering

Propulsive engine having a lubricant system driven by compressed air

 #21 | 2026-04-14 ✅ Patent 12,601,278 granted on 2026-04-14
US19249757
Mechanical engineering

Through-casing guide vane mechanism for gas turbine engines

 #22 | 2026-04-14 ✅ Patent 12,601,263 granted on 2026-04-14
US18960302
Mechanical engineering

Radially captured in situ balancing masses for aircraft powerplant

 #23 | 2026-04-09
US20260098487A1
Mechanical engineering

ROTOR BEARING LOADING MECHANISM

 #24 | 2026-04-07 ✅ Patent 12,595,749 granted on 2026-04-07
US18955079
Mechanical engineering

Oil system for aircraft engine having features to prevent drainage of component

 #25 | 2026-04-07 ✅ Patent 12,595,750 granted on 2026-04-07
US18911687
Mechanical engineering

Turbine support case with axial spokes and brackets

 #26 | 2026-04-02 ✅ Patent 12,638,184 granted on 2026-05-26
US20260092707A1
Mechanical engineering

ENGINE FUEL INJECTORS WITH COMMON FUEL TARGET LOCATION

 #27 | 2026-04-02 ✅ Patent 12,654,264 granted on 2026-06-16
US20260091455A1
Performing operations; transporting

Gas Turbine Engine Gearbox Alignment Tool and Method

 #28 | 2026-03-31 ✅ Patent 12,590,543 granted on 2026-03-31
US19097345
Mechanical engineering

Gas turbine engine with shaft retention system

 #29 | 2026-03-26 ✅ Patent 12,655,935 granted on 2026-06-16
US20260085785A1
Mechanical engineering

OIL TANK ACCESS PORT COVER FOR AN AIRCRAFT ENGINE OIL SYSTEM

 #30 | 2026-03-26 ✅ Patent 12,590,551 granted on 2026-03-31
US20260085626A1
Mechanical engineering

OIL TANK RETURN FOR AN AIRCRAFT ENGINE OIL SYSTEM

 #31 | 2026-03-24 ✅ Patent 12,584,482 granted on 2026-03-24
US18987550
Mechanical engineering

Gear pump parallel load path

 #32 | 2026-03-24 ✅ Patent 12,584,422 granted on 2026-03-24
US18944910
Mechanical engineering

System and method for assembling a rotational equipment assembly of an aircraft propulsion system

 #33 | 2026-03-17 ✅ Patent 12,577,912 granted on 2026-03-17
US19059543
Mechanical engineering

Active de-aerator for aircraft power plant

 #34 | 2026-03-12 ✅ Patent 12,624,663 granted on 2026-05-12
US20260071579A1
Mechanical engineering

AIRCRAFT ENGINE WITH RECUPERATOR AND BYPASS

 #35 | 2026-03-05 ✅ Patent 12,601,280 granted on 2026-04-14
US20260063051A1
Mechanical engineering

BOSS WITH INTEGRAL FIRE PROTECTION

 #36 | 2026-03-05 ✅ Patent 12,601,273 granted on 2026-04-14
US20260063043A1
Mechanical engineering

Stator Vane Braze Joints

 #37 | 2026-03-03 ✅ Patent 12,565,325 granted on 2026-03-03
US19005533
Performing operations; transporting

Propulsor reverse rotation protection for hybrid-electric aircraft propulsion systems

 #38 | 2026-03-03 ✅ Patent 12,565,846 granted on 2026-03-03
US18990565
Mechanical engineering

Turbine case structure for an aircraft propulsion system engine

 #39 | 2026-03-03 ✅ Patent 12,565,847 granted on 2026-03-03
US18926574
Mechanical engineering

Aircraft engine having a scroll case and a turbine support case secured together

 #40 | 2026-03-03 ✅ Patent 12,565,845 granted on 2026-03-03
US18819149
Mechanical engineering

Dual air source bearing assembly housing for an aircraft propulsion system

 #41 | 2026-02-26 ✅ Patent 12,584,443 granted on 2026-03-24
US20260055729A1
Mechanical engineering

ACCELERATING TURBINE ENGINE ROTATING STRUCTURE WITH COMPRESSED AIR

 #42 | 2026-02-26 ✅ Patent 12,577,909 granted on 2026-03-17
US20260055728A1
Mechanical engineering

RADIAL INLET COMPRESSOR

 #43 | 2026-02-24 ✅ Patent 12,560,100 granted on 2026-02-24
US18916340
Mechanical engineering

Double directionally pre-loaded damped ball bearing

 #44 | 2026-02-17 ✅ Patent 12,553,346 granted on 2026-02-17
US19075365
Mechanical engineering

Gas turbine engine with rotational spool balancing system

 #45 | 2026-02-17 ✅ Patent 12,553,608 granted on 2026-02-17
US19013516
Mechanical engineering

Additively manufactured combustor liner v-band cooling ring

 #46 | 2026-02-12 ✅ Patent 12,624,659 granted on 2026-05-12
US20260043349A1
Mechanical engineering

AIR PURGING ARRANGEMENT

 #47 | 2026-02-10 ✅ Patent 12,546,232 granted on 2026-02-10
US19093452
Mechanical engineering

Inducing windmilling to allow oil flow during fire-induced emergency state

 #48 | 2026-02-10 ✅ Patent 12,546,229 granted on 2026-02-10
US19005547
Mechanical engineering

Gas turbine engine rotor stage with seal members

 #49 | 2026-02-10 ✅ Patent 12,545,419 granted on 2026-02-10
US19005521
Performing operations; transporting

Emergency energy protection assembly for hybrid-electric aircraft propulsion systems

 #50 | 2026-02-05 ✅ Patent 12,571,403 granted on 2026-03-10
US20260036134A1
Mechanical engineering

NON-LINEAR IMPELLER BACKSWEEP

 #51 | 2026-02-05 ✅ Patent 12,644,426 granted on 2026-06-02
US20260036101A1
Mechanical engineering

TURBOPROP WITH A VARIABLE AREA NOZZLE EJECTOR

 #52 | 2026-02-03 ✅ Patent 12,540,628 granted on 2026-02-03
US19282771
Mechanical engineering

Impeller blade turning distribution

 #53 | 2026-02-03 ✅ Patent 12,540,580 granted on 2026-02-03
US19191681
Mechanical engineering

Automatic bleed valve

 #54 | 2026-01-27 ✅ Patent 12,534,216 granted on 2026-01-27
US19244827
Performing operations; transporting

Clutch assembly for a hybrid-electric aircraft propulsion system

 #55 | 2026-01-27 ✅ Patent 12,534,214 granted on 2026-01-27
US19014772
Performing operations; transporting

Aircraft engine auxiliary oil system

 #56 | 2026-01-27 ✅ Patent 12,535,034 granted on 2026-01-27
US18899850
Mechanical engineering

Joint between aircraft engine components with spring beams

 #57 | 2026-01-20 ✅ Patent 12,529,325 granted on 2026-01-20
US19284076
Mechanical engineering

Turbine exhaust duct with stiffeners for aircraft engines

 #58 | 2026-01-20 ✅ Patent 12,529,322 granted on 2026-01-20
US18941701
Mechanical engineering

Gas turbine engine stator vane stage

 #59 | 2026-01-15 ✅ Patent 12,540,550 granted on 2026-02-03
US20260015942A1
Mechanical engineering

TIE SHAFT FOR ENGINE ROTATING ASSEMBLY

 #60 | 2026-01-13 ✅ Patent 12,523,174 granted on 2026-01-13
US18899925
Mechanical engineering

Mounting seal runner onto aircraft powerplant rotor

 #61 | 2026-01-08 ✅ Patent 12,545,418 granted on 2026-02-10
US20260008556A1
Performing operations; transporting

CONTROL ASSEMBLY FOR AIRCRAFT PROPULSION SYSTEMS

 #62 | 2026-01-06 ✅ Patent 12,516,636 granted on 2026-01-06
US18984531
Mechanical engineering

Accommodation for mismatch in guide vane feedback via undesired engine behavior

 #63 | 2026-01-06 ✅ Patent 12,516,605 granted on 2026-01-06
US18960316
Mechanical engineering

In situ balancing mass(es) for aircraft powerplant

 #64 | 2026-01-01 ✅ Patent 12,644,408 granted on 2026-06-02
US20260002466A1
Mechanical engineering

POWERPLANT FUEL SYSTEM UTILIZING AMMONIA

 #65 | 2026-01-01 ✅ Patent 12,595,746 granted on 2026-04-07
US20260002451A1
Mechanical engineering

AIRCRAFT PROPULSION SYSTEM WITH CLOCKED ELECTRIC MACHINE AND ACCESSORY GEARBOX

 #66 | 2025-12-25 ✅ Patent 12,618,340 granted on 2026-05-05
US20250389205A1
Mechanical engineering

CONTROLLED CONTACT INDUCED BUCKLING OF SPOKED BEARING SUPPORT

 #67 | 2025-12-25 ✅ Patent 12,618,339 granted on 2026-05-05
US20250389204A1
Mechanical engineering

DESTABILIZER INDUCED BUCKLING IN SPOKED BEARING SUPPORT

 #68 | 2025-12-25
US20250387811A1
Performing operations; transporting

SPRAY NOZZLE FOR CLEANING APU

 #69 | 2025-12-23 ✅ Patent 12,503,975 granted on 2025-12-23
US18887191
Mechanical engineering

Housing assembly for rotary engine and method of manufacturing thereof

 #70 | 2025-12-23 ✅ Patent 12,503,961 granted on 2025-12-23
US18749190
Mechanical engineering

Slip based radial bearing support

 #71 | 2025-12-18 ✅ Patent 12,516,609 granted on 2026-01-06
US20250382892A1
Mechanical engineering

SERVICEABLE PROPELLER SHAFT ZERO AIR GAP SEAL

 #72 | 2025-12-18 ✅ Patent 12,571,323 granted on 2026-03-10
US20250382890A1
Mechanical engineering

TURBINE ENGINE AIRFOIL

 #73 | 2025-12-18 ✅ Patent 12,509,988 granted on 2025-12-30
US20250382881A1
Mechanical engineering

TURBINE ENGINE AIRFOIL

 #74 | 2025-12-18 ✅ Patent 12,618,330 granted on 2026-05-05
US20250382880A1
Mechanical engineering

TURBINE ENGINE AIRFOIL

 #75 | 2025-12-11 ✅ Patent 12,553,356 granted on 2026-02-17
US20250376928A1
Mechanical engineering

AIRCRAFT ENGINE STATIONARY LABYRINTH SEAL FOR USE IN A GEARBOX OF AN AIRCRAFT ENGINE OIL SYSTEM

 #76 | 2025-12-09 ✅ Patent 12,492,643 granted on 2025-12-09
US18787289
Mechanical engineering

Extended banana foot stator

 #77 | 2025-12-04 ✅ Patent 12,553,547 granted on 2026-02-17
US20250369541A1
Mechanical engineering

DUAL SEALING FOR HIGH PRESSURE GASEOUS FUELS

 #78 | 2025-12-04 ✅ Patent 12,540,667 granted on 2026-02-03
US20250369509A1
Mechanical engineering

COMBINED ROTATING COMPONENT AND FLUID PORT BAFFLE

 #79 | 2025-12-04 ✅ Patent 12,612,863 granted on 2026-04-28
US20250369362A1
Mechanical engineering

TEST BLADE FOR GAS TURBINE ENGINE AND METHOD OF MAKING

 #80 | 2025-12-02 ✅ Patent 12,486,788 granted on 2025-12-02
US18911696
Mechanical engineering

Turbine support case supported by stopping ribs

 #81 | 2025-11-27 ✅ Patent 12,560,280 granted on 2026-02-24
US20250361983A1
Mechanical engineering

ENGINE OIL SYSTEM FOR AN AIRCRAFT PROPULSION SYSTEM AND METHOD FOR CONTROLLING SAME

 #82 | 2025-11-27 ✅ Patent 12,553,450 granted on 2026-02-17
US20250361876A1
Mechanical engineering

PLENUM CLOSURE PANEL WITH INTEGRATED AIRFLOW DIRECTION DEVICE

 #83 | 2025-11-25 ✅ Patent 12,480,424 granted on 2025-11-25
US19059571
Mechanical engineering

Active de-aerator for aircraft power plant

 #84 | 2025-11-13 ✅ Patent 12,486,984 granted on 2025-12-02
US20250347412A1
Mechanical engineering

CONTROLLED GAP FUEL NOZZLE HEAT SHIELD

 #85 | 2025-11-13 ✅ Patent 12,473,840 granted on 2025-11-18
US20250347230A1
Mechanical engineering

Containment Ring for Gas Turbine Engine

 #86 | 2025-11-11 ✅ Patent 12,467,365 granted on 2025-11-11
US19038559
Mechanical engineering

In situ balancing mass(es) for aircraft powerplant

 #87 | 2025-11-11 ✅ Patent 12,467,473 granted on 2025-11-11
US18942911
Mechanical engineering

Aircraft engine including diffuser secured to a bearing housing

 #88 | 2025-11-11 ✅ Patent 12,467,387 granted on 2025-11-11
US18818696
Mechanical engineering

Turbine exhaust case structural flange

 #89 | 2025-11-11 ✅ Patent 12,467,403 granted on 2025-11-11
US18759194
Mechanical engineering

Powerplant fuel system utilizing ammonia

 #90 | 2025-11-06 ✅ Patent 12,656,102 granted on 2026-06-16
US20250341390A1
Physics

SYSTEM AND METHOD FOR PERFORMING DIMENSIONAL INSPECTION

 #91 | 2025-11-06 ✅ Patent 12,497,909 granted on 2025-12-16
US20250341179A1
Mechanical engineering

FLANGE WITH STRESS ATTENTUATION FEATURE

 #92 | 2025-11-06 ✅ Patent 12,637,959 granted on 2026-05-26
US20250341173A1
Mechanical engineering

CONTAINMENT RING FOR GAS TURBINE ENGINE

 #93 | 2025-11-04 ✅ Patent 12,460,580 granted on 2025-11-04
US18979990
Mechanical engineering

Heat management system and method for hydrogen-fueled engine

 #94 | 2025-10-30 ✅ Patent 12,460,558 granted on 2025-11-04
US20250334057A1
Mechanical engineering

HEAT EXCHANGER HAVING A MIXING CHAMBER AND PROTRUSIONS

 #95 | 2025-10-28 ✅ Patent 12,454,926 granted on 2025-10-28
US18651069
Mechanical engineering

Exhaust nozzle assembly for an aircraft propulsion system

 #96 | 2025-10-21 ✅ Patent 12,448,904 granted on 2025-10-21
US18899959
Mechanical engineering

Seal assembly mating plate for aircraft powerplant

 #97 | 2025-10-21 ✅ Patent 12,448,893 granted on 2025-10-21
US18787100
Mechanical engineering

Electromagnetic inducer for gas turbine rotating turbomachinery

 #98 | 2025-10-21 ✅ Patent 12,451,824 granted on 2025-10-21
US18771371
Electricity

Hybrid electric propulsion system with regeneration and method for operating the same

 #99 | 2025-10-16 ✅ Patent 12,577,878 granted on 2026-03-17
US20250320822A1
Mechanical engineering

LEADING EDGE PLATING ON LOW PRESSURE COMPRESSOR VANE FOR WEIGHT AND STRENGTH OPTIMIZATION

 #100 | 2025-10-16 ✅ Patent 12,503,243 granted on 2025-12-23
US20250319980A1
Performing operations; transporting

METHOD AND SYSTEM FOR OPERATING A HYBRID AIRCRAFT ENGINE

Also check out PRATT & WHITNEY CANADA CORP.'s (Longueuil, Canada) applicant profile with 2,458 patent applications submitted.

AssigneeID:

348020 ⎘