Prosecution Insights
Last updated: April 19, 2026

Pratt & Whitney Canada Corp.

58 pending office actions

Portfolio Summary

58
Total Pending OAs
24
Final Rejections
34
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
19172216 TEST ROTOR BLADE FOR AN AIRCRAFT ENGINE BLADE-OFF TEST REITZ, MICHAEL K. 3745 Final Rejection Apr 07, 2025
19077615 OIL TANK FOR AIRCRAFT ENGINE TRUONG, MINH D 3654 Non-Final OA Mar 12, 2025
19055858 SEAL ASSEMBLY AND METHOD OF MANUFACTURING TRAVERS, MATTHEW P 3726 Non-Final OA Feb 18, 2025
19049744 HYBRID ELECTRIC AIRCRAFT PROPULSION SYSTEM AND METHOD QUIGLEY, THOMAS K 2834 Final Rejection Feb 10, 2025
18807515 ENGINE FUEL NOZZLE WITH COAXIAL FUEL AND AIR FLOWS KIM, TAE JUN 3799 Final Rejection Aug 16, 2024
18780190 ASYMETRIC OPERATING REGIME MID-EXIT TYPE CHANGE SWITCHING/SELECTING CONTROL SYSTEM AND METHOD KINGSLAND, KYLE J 3663 Non-Final OA Jul 22, 2024
18769956 SERVICE TUBE ASSEMBLY FOR TURBINE ENGINE TIETJEN, MARINA ANNETTE 3799 Non-Final OA Jul 11, 2024
18762968 CANTILEVER STATOR VANE WIEHE, NATHANIEL EDWARD 3745 Final Rejection Jul 03, 2024
18758872 CORE GAS PATH BOUNDARY STRUCTURE FOR GAS TURBINE ENGINE HTAY, AYE SU MON 3745 Final Rejection Jun 28, 2024
18745799 A FUZZY LOGIC-BASED AI SYSTEM FOR DETECTION AND ACCOMMODATION OF OIL SYSTEM FAILURES IN THE AIRCRAFT'S PROPULSION SYSTEM PATEL, MANGLESH M 3665 Non-Final OA Jun 17, 2024
18738918 METHOD AND INTEGRALLY BLADED ROTOR FOR BLADE OFF TESTING MCCALL, ERIC SCOTT 2855 Final Rejection Jun 10, 2024
18733571 EFFUSION COOLED FUEL NOZZLE TIP BURKE, THOMAS P 3741 Non-Final OA Jun 04, 2024
18676667 AIRCRAFT COMPONENT IDENTIFICATION SYSTEM HARTMANN, ERIN MARIE 3664 Final Rejection May 29, 2024
18673437 ENGINE OIL SYSTEM FOR AN AIRCRAFT PROPULSION SYSTEM BUSE, MARK KENNETH 3654 Non-Final OA May 24, 2024
18667803 STATOR VANE WITH MULTI-ACCESS COOLING AIR FEED PASSAGE HTAY, AYE SU MON 3745 Final Rejection May 17, 2024
18654240 MITIGATION OF ASYMMETRIC THRUST FOR AIRCRAFT PATEL, SHARDUL D 3664 Non-Final OA May 03, 2024
18649208 HEAT EXCHANGER HAVING A MIXING CHAMBER WITH LOUVERS RUPPERT, ERIC S 3763 Final Rejection Apr 29, 2024
18623673 RIVETING TOOL YOKE TOLAN, EDWARD THOMAS 3725 Non-Final OA Apr 01, 2024
18609824 AIRCRAFT POWERPLANT WITH JOINT SHIELD BURKE, THOMAS P 3741 Non-Final OA Mar 19, 2024
18606474 HEAT EXCHANGE SYSTEM FOR AIRCRAFT ENGINE RUPPERT, ERIC S 3763 Non-Final OA Mar 15, 2024
18606706 ROTORCRAFT WITH ANTI-TORQUE AIR SYSTEM AND TAIL ROTOR(S) KREINER, MICHAEL B 3642 Non-Final OA Mar 15, 2024
18600204 AIRCRAFT ACOUSTIC PANEL WITH INTEGRATED FIRE-RESISTANT MATERIAL LUKS, JEREMY AUSTIN 2837 Final Rejection Mar 08, 2024
18582136 EXHAUST DUCT MOUNTING STRUCTURE FOR HYBRID AIRCRAFT POWERPLANT KIM, TAE JUN 3799 Non-Final OA Feb 20, 2024
18430111 NON-DESTRUCTIVE TESTING METHOD FOR COMPONENT INSPECTION WILLIAMS, JAMEL E 2855 Non-Final OA Feb 01, 2024
18423820 INJECTOR WITH SWIRLER FOR HYDROGEN-DRIVEN GAS TURBINE ENGINE HARRINGTON, ALYSON JOAN 3741 Non-Final OA Jan 26, 2024
18423848 HYBRID AIRCRAFT POWER PLANT AND GEARBOX THEREFOR DANG, TINH 3655 Final Rejection Jan 26, 2024
18397120 POLISHING BLADED ROTOR USING ROBOTIC POLISHING DEVICE DELRUE, BRIAN CHRISTOPHER 3745 Non-Final OA Dec 27, 2023
18392946 AIR SYSTEM FOR ELECTRICAL POWER STORAGE ONBOARD AN AIRCRAFT NGUYEN, NGOC T 3799 Non-Final OA Dec 21, 2023
18527963 GAS TURBINE ENGINE AND METHOD OF OPERATION MCCAFFREY, KAYLA M 3745 Non-Final OA Dec 04, 2023
18518781 MANAGEMENT OF AIRCRAFT SYSTEM COMPONENTS ACROSS DIFFERENT AIRCRAFT ENGINES LEWANDROSKI, SARA J 3661 Final Rejection Nov 24, 2023
18514524 AIR SYSTEM FOR ELECTRICAL POWER STORAGE ONBOARD AN AIRCRAFT MALLON, BRETT PETERSON 3762 Non-Final OA Nov 20, 2023
18388285 TAILORING ROTOR BLADE SECTOR CONFIGURATIONS TO TUNE GAS TURBINE ENGINE BLADED ROTOR SEBASCO CHENG, STEPHANIE 3741 Final Rejection Nov 09, 2023
18377453 ELECTRONIC ITEM MANAGEMENT FOR ITEM STORAGE AREA GLASS, RUSSELL S 3627 Final Rejection Oct 06, 2023
18377469 DEAERATOR IMPELLER ROTOR WITH GEAR ROTOR RODRIGUEZ, WILLIAM H 3741 Non-Final OA Oct 06, 2023
18377186 CIRCUMFERENTIALLY TAILORED INLET GUARD FOR AN AIRCRAFT ENGINE INLET MEADE, LORNE EDWARD 3741 Non-Final OA Oct 05, 2023
18372838 THREAD GUARD FOURNET II, BRIAN PAUL 3675 Non-Final OA Sep 26, 2023
18372485 SYSTEM AND METHOD FOR IDENTIFYING RUBBING CONDITIONS FOR ENGINE ROTATIONAL EQUIPMENT GEIST, RICHARD EDWIN 3665 Non-Final OA Sep 25, 2023
18367078 METHOD OF MANUFACTURING A METAL INJECTION MOLDED PART SMITH, CATHERINE P 1735 Non-Final OA Sep 12, 2023
18367288 VENTED HYDROGEN FUEL RESERVOIR FOR AIRCRAFT ENGINE RAYMOND, KEITH MICHAEL 3798 Final Rejection Sep 12, 2023
18211100 SYSTEM AND METHOD FOR TURBINE ENGINE TURBINE COMPONENT COOLING MEILLER, SEAN V 3741 Non-Final OA Jun 16, 2023
18334494 AIRCRAFT AND ASSOCIATED METHOD OF CONDITIONING CABIN AIR JONES, GORDON A 3763 Non-Final OA Jun 14, 2023
18334507 AIRCRAFT AND ASSOCIATED METHOD OF CONDITIONING CABIN AIR IGUE, ROBERTO TOSHIHARU 3741 Final Rejection Jun 14, 2023
18326233 AUTOMATIC ADJUSTMENT OF PARAMETERS BASED ON PART SURFACE REFLECTIVE INDEX FOR POINT CLOUD ACQUISITION USING A BLUE LIGHT SCANNER MAHROUKA, WASSIM 2665 Final Rejection May 31, 2023
18141846 TAPERED FUEL GALLERY FOR A FUEL NOZZLE LIU, JINGCHEN 3741 Non-Final OA May 01, 2023
18129640 POWER COUPLING BETWEEN ENGINE ROTATING ASSEMBLY AND EXTERNAL DEVICE AMAR, MARC J 3741 Final Rejection Mar 31, 2023
18116580 ADAPTIVE MANUFACTURING USING A CT SCAN AND AN ADAPTIVE MANUFACTURING TOOLPATH KESSLER, CHRISTOPHER S 1759 Final Rejection Mar 02, 2023
18116559 ADAPTIVE OVERHAUL USING CT SCAN SINGLE DATA SET KESSLER, CHRISTOPHER S 1759 Final Rejection Mar 02, 2023
18116588 ADAPTIVE MANUFACTURING USING AN ADAPTIVE MANUFACTURING TOOLPATH KESSLER, CHRISTOPHER S 1759 Final Rejection Mar 02, 2023
18108132 ADAPTIVE OVERHAUL USING STRUCTURED LIGHT SINGLE DATA SET KESSLER, CHRISTOPHER S 1759 Final Rejection Feb 10, 2023
18094189 COMPUTATIONALLY BALANCING A ROTATING STRUCTURE MAPAR, BIJAN 2189 Non-Final OA Jan 06, 2023
18088221 HYBRID AIRCRAFT PROPULSION SYSTEM WITH REMOTELY LOCATED ELECTRIC MACHINE YANKEY, RYAN ANDREW 3642 Final Rejection Dec 23, 2022
17971108 SYSTEM AND METHOD FOR FORMING A NOZZLE INLET OF A NOZZLE WITTENBERG, STEFANIE S 1795 Non-Final OA Oct 21, 2022
17942045 ADAPTIVE MANUFACTURING USING CT SCAN DATA KOSSEK, MAGDALENA IZABELLA 2117 Non-Final OA Sep 09, 2022
17942062 ADAPTIVELY DEPOSITING BRAZE MATERIAL USING STRUCTURED LIGHT SCAN DATA TRAN-LE, THAO UYEN 3761 Non-Final OA Sep 09, 2022
17879464 SYSTEM AND METHOD FOR ADDRESSING REDUNDANT SENSOR MISMATCH IN AN ENGINE CONTROL SYSTEM TURNBAUGH, ASHLEIGH NICOLE 3667 Non-Final OA Aug 02, 2022
17866103 AIRCRAFT PROPULSION SYSTEM WITH INTERMITTENT COMBUSTION ENGINE(S) MEADE, LORNE EDWARD 3741 Non-Final OA Jul 15, 2022
17394302 SYSTEM AND METHOD FOR DESCRIBING A COMPONENT IN A COMPUTER-AIDED DESIGN (CAD) ENVIRONMENT MAUST, TROY A 2189 Non-Final OA Aug 04, 2021
17386399 CONTROLLING GASEOUS FUEL FLOW LIU, JINGCHEN 3741 Final Rejection Jul 27, 2021

Managing Pratt & Whitney Canada Corp.'s Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month