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Last updated: October 25, 2026

Rolls-Royce plc: all pending office actions

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App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19575281 FUELDRAULIC HEAT MANAGEMENT SYSTEM CHAU, ALAIN 3741 §103Other Non-Final OA — Pending Mar 23, 2026
19387731 FLUID FLOW MACHINE COMPRISING A SEALING ARRANGEMENT RIBADENEYRA, THEODORE C 3745 §102§103§112 Non-Final OA — Pending Nov 13, 2025
19387750 FLUID FLOW MACHINE COMPRISING A SEALING ARRANGEMENT HAGHIGHIAN, BEHNOUSH 3745 §102§103§112 Non-Final OA — Pending Nov 13, 2025
19387739 FLUID FLOW MACHINE COMPRISING A CASING STRUCTURE RIBADENEYRA, THEODORE C 3745 §102§103 Non-Final OA — Pending Nov 13, 2025
19364678 GAS TURBINE PERFORMANCE WALTHOUR, SCOTT J 3741 §103Other Final Rejection — Pending Oct 21, 2025
19349218 DATA RECORDERS HOLMAN, JOHN D 3667 §102§103Other Non-Final OA — Pending Oct 03, 2025
19347323 GAS TURBINE ENGINE FLORES, JUAN G 3745 §112 Final Rejection — Pending Oct 01, 2025
19323341 GAS TURBINE ENGINE THOMAS, KYLE ROBERT 3741 §103 Final Rejection — Pending Sep 09, 2025
19228822 FUEL SPRAY NOZZLES KIM, TAE JUN 3799 §102§103§112 Final Rejection — Pending Jun 05, 2025
19200887 INSPECTION SYSTEM AND METHOD FOR INSPECTING A SURFACE MAHONEY, CHRISTOPHER E 2858 §103 Non-Final OA — Pending May 07, 2025
19180577 A SEAL, A SEAL ASSEMBLY AND A METHOD PATEL, VISHAL A 3675 §102§103 Non-Final OA — Pending Apr 16, 2025
19084508 ELECTRICAL POWER SYSTEM THOMAS, LUCY M 2838 §102§103 Non-Final OA — Pending Mar 19, 2025
19077144 POWER ELECTRONICS CONVERTER INGE, JOSEPH N 2836 §103 Non-Final OA — Pending Mar 12, 2025
19077702 ELECTRICAL POWER SYSTEM LAXTON, GARY L 2838 §102§103 Non-Final OA — Pending Mar 12, 2025
19072091 FIBRE PLACEMENT HEAD WOLLSCHLAGER, JEFFREY MICHAEL 1742 §103 Non-Final OA — Pending Mar 06, 2025
19057762 POWER ELECTRONICS CONVERTER CHOI, SEUNG HO 2838 §103 Non-Final OA — Pending Feb 19, 2025
19033667 SYSTEM AND METHOD FOR ASSEMBLING A FAN CASE OF A GAS TURBINE ENGINE RIVERA, JOSHEL 1746 §102 Non-Final OA — Pending Jan 22, 2025
19023732 HEAT EXCHANGER SEBASCO CHENG, STEPHANIE 3741 §103 Final Rejection 6d Pending Jan 16, 2025
19014752 ELECTRICAL MACHINE MONITORING LAGUARDA, GONZALO 3747 §101DP Non-Final OA — Pending Jan 09, 2025
19014705 MULTIPHASE ELECTRICAL MACHINE CONDITION MONITORING RIOS RUSSO, RAUL J 2858 §101§112 Non-Final OA — Pending Jan 09, 2025
19003432 HIGH POWER EPICYCLIC GEARBOX AND OPERATION THEREOF WALTHOUR, SCOTT J 3741 DP Non-Final OA — Pending Dec 27, 2024
18967804 HYBRID TRANSMISSION COMPONENT FOR A GAS TURBINE ENGINE BINDA, GREGORY JOHN 3679 §102§103§112 Non-Final OA — Pending Dec 04, 2024
18966953 INSPECTION SYSTEM ZHAO, CHRISTINE NMN 2677 §101§103 Non-Final OA — Pending Dec 03, 2024
18960510 VARIABLE STIFFNESS TOOL MELENDEZ, ARMAND 1759 §102§103 Non-Final OA — Pending Nov 26, 2024
18954875 IMAGING WERNER, DAVID N 2877 §102§103 Non-Final OA — Pending Nov 21, 2024
18952302 FUEL SPRAY NOZZLE FOR A GAS TURBINE ENGINE KIM, CRAIG SANG 3741 §103 Non-Final OA — Pending Nov 19, 2024
18948716 METHOD FOR REDUCING DAMAGE TO COMPONENTS OF GAS TURBINE ENGINES HTAY, AYE SU MON 3745 §103 Non-Final OA 4d overdue Pending Nov 15, 2024
18948702 GAS TURBINE ENGINE COMPONENT PARTICULATE SAMPLING APPARATUS, SYSTEM AND METHOD ROYSTON, JOHN M 2855 §102§103 Non-Final OA — Pending Nov 15, 2024
18948019 METHOD FOR SCANNING A COMPONENT KAO, CHIH CHENG G 2884 §103 Non-Final OA — Pending Nov 14, 2024
18944524 ANALYSING IMAGES OF COMPONENTS TRAN, PHUOC 2668 §101§102 Non-Final OA — Pending Nov 12, 2024
18917042 GAS TURBINE ENGINE WEINERT, WILLIAM C 3762 §102§103 Non-Final OA — Pending Oct 16, 2024
18916958 PROPULSION SYSTEM COMPRISING A HYDROGEN-BURNING GAS TURBINE ENGINE IGUE, ROBERTO TOSHIHARU 3741 §103§112 Non-Final OA — Pending Oct 16, 2024
18917212 GAS TURBINE ENGINE HYDROGEN FUEL SYSTEM NGUYEN, ANDREW H 3741 §102§103§112DP Non-Final OA — Pending Oct 16, 2024
18907918 AN IMPROVED GAS TURBINE ENGINE BURKE, THOMAS P 3741 §103§112 Non-Final OA — Pending Oct 07, 2024
18906737 ELECTRICAL MACHINE CONDITION MONITORING GONZALEZ QUINONES, JOSE A 2834 §102§103 Non-Final OA — Pending Oct 04, 2024
18895786 DC:DC CONVERTER CONTROL GBLENDE, JEFFREY A 2838 §103§112 Final Rejection — Pending Sep 25, 2024
18892673 AIRCRAFT MISSION INDEX WITH SUSTAINABLE AVAITION FUEL VERSUS HYDROCARBRON BASED FUEL DUGER, JASON H 3741 §103 Non-Final OA 14d Pending Sep 23, 2024
18825101 METHOD FOR ENGINE CONTROL AND MONITORING SYSTEM KIM, JAMES JAY 3747 §102§103 Final Rejection — Pending Sep 05, 2024
18819288 RECESSION RESISTANT INTERMEDIATE LAYER FOR CMC VANE OMORI, MARY I 1784 §103 Non-Final OA — Pending Aug 29, 2024
18782306 STAGED COMBUSTOR HARRINGTON, ALYSON JOAN 3741 §103§112 Final Rejection — Pending Jul 24, 2024
18781563 GEARED GAS TURBINE ENGINE SEBASCO CHENG, STEPHANIE 3741 §102§103§112 Final Rejection 29d Pending Jul 23, 2024
18729431 AIRCRAFT WING COMPRISING A STORAGE TANK FOR GASEOUS HYDROGEN GORDON, ANNA L 3642 §112 Non-Final OA — Pending Jul 16, 2024
18771137 METHOD OF MANUFACTURING A COMPONENT OF A GAS TURBINE ENGINE PENNY, TABATHA L 1712 §102§103§112 Non-Final OA 128d overdue Pending Jul 12, 2024
18764516 GAS TURBINE ENGINE STARTING METHOD KIM, TAE JUN 3799 §103 Non-Final OA — Pending Jul 05, 2024
18753161 GAS TURBINE HEAT EXCHANGER HARRINGTON, ALYSON JOAN 3741 §112 Final Rejection — Pending Jun 25, 2024
18752042 INSERTION TOOL KIM, SANG K 3654 §102§103§112 Non-Final OA — Pending Jun 24, 2024
18747619 PROBE AND METHOD FOR NON-DESTRUCTIVE TESTING OF A COMPONENT BUTLER, KEVIN C 2852 §102§103 Non-Final OA — Pending Jun 19, 2024
18741985 GAS TURBINE ENGINE FUEL SYSTEM KIM, TAE JUN 3799 §103§112 Non-Final OA 36d Pending Jun 13, 2024
18737303 MODULAR MECHANICAL TEST APPARATUS FOR CMC COMPONENT VILLALUNA, ERIKA J 2852 §102§103 Non-Final OA — Pending Jun 07, 2024
18736038 PHENOLIC TRIAZINE SILICON POLYMER RESIN BLENDS SLOAN, LILY KAYOKO 1762 §103 Non-Final OA — Pending Jun 06, 2024
18732814 HEAT EXCHANGER JONES, GORDON A 3763 §102§103 Non-Final OA 44d overdue Pending Jun 04, 2024
18677149 CONVERTER FAULT PROTECTION RIVERA-PEREZ, CARLOS O 2838 §103 Final Rejection 8d Pending May 29, 2024
18660436 POWER ELECTRONICS CONVERTER NOVAK, PETER MICHAEL 2838 §103 Non-Final OA 22d Pending May 10, 2024
18701722 FUEL CELL SYSTEM GATEWOOD, DANIEL S 1729 §112 Non-Final OA — Pending Apr 16, 2024
18701737 FUEL CELL SYSTEM MCMULLEN, NATHAN ANDREW JON 1788 §102§103 Non-Final OA — Pending Apr 16, 2024
18631432 INFRARED-REFLECTIVE COATINGS SAMPLE, DAVID R 1784 §102§112 Non-Final OA — Pending Apr 10, 2024
18609248 AIR PRESSURISATION SYSTEM CARTER, AMY ELIZABETH 3762 §103§112 Final Rejection — Pending Mar 19, 2024
18609241 AIR PRESSURISATION SYSTEM BADAWI, MEDHAT 3642 §102§103 Non-Final OA — Pending Mar 19, 2024
18593465 POWDER CONTROL FOR ADDITIVE MANUFACTURING SYSTEMS TSUI, YUNG-SHENG M 1684 §103§112DP Non-Final OA — Pending Mar 01, 2024
18593672 ADAPTIVE MACHINING USING BUILD SURFACE TOPOLOGY FOR ADDITIVE MANUFACTURING SYSTEMS XU, PETER 2119 §103 Final Rejection — Pending Mar 01, 2024
18593294 POWDER MONITORING FOR ADDITIVE MANUFACTURING SYSTEMS DUNN, DARRIN D 2117 §103 Final Rejection — Pending Mar 01, 2024
18593511 IN-SITU HEAT TREATMENT AND THERMAL MONITORING WANG, NICHOLAS A 1734 §103Other Non-Final OA — Pending Mar 01, 2024
18593538 ALIGNMENT MONITORING AND CONTROL BOSS, MARISSA RAE 3761 §103§112 Non-Final OA — Pending Mar 01, 2024
18593324 POWDER MONITORING FOR ADDITIVE MANUFACTURING SYSTEMS DUNN, DARRIN D 2117 §102§103Other Non-Final OA — Pending Mar 01, 2024
18589542 BATTERY COOLING BLOCK MATHEW, ISWARYA 1788 §102§103 Non-Final OA — Pending Feb 28, 2024
18588431 PODDED ENGINE ADAPTOR MICHENER, JOSHUA J 3642 §103§112 Final Rejection 16d Pending Feb 27, 2024
18435127 EXCITATION SYSTEM PARCO JR, RUBEN C 2853 §103 Non-Final OA — Pending Feb 07, 2024
18424999 JUNCTION TEMPERATURE ESTIMATION JAGAN, MIRELLYS 2855 §112 Final Rejection — Pending Jan 29, 2024
18536570 DATA LOGGING AND TRANSMISSION DEVICE FOR AN ELECTRIC AIRCRAFT MUNION, JAMES E 2688 §103 Non-Final OA — Pending Dec 12, 2023
18524040 METHOD OF IDENTIFYING NON-CONFORMANCE OF A COMPONENT ANSARI, TAHMINA N 2674 §103 Non-Final OA 126d overdue Pending Nov 30, 2023
18467387 AEROFOIL FOR A GAS TURBINE ENGINE PRUITT, JUSTIN A 3745 §103§112 Non-Final OA 46d overdue Pending Sep 14, 2023
18233592 THERMAL MANAGEMENT SYSTEM FOR AN AIRCRAFT MEILLER, SEAN V 3741 §103 Final Rejection 12d Pending Aug 14, 2023
18358242 METHOD OF MANUFACTURING A COMPONENT YANG, JIE 1734 §103 Non-Final OA — Pending Jul 25, 2023
18224318 APPARATUS AND METHOD GROUX, JENNIFER LILA 1754 §103 Non-Final OA 40d Pending Jul 20, 2023
18215558 WOVEN FABRICS FOR COMPOSITE COMPONENTS MATZEK, MATTHEW D 1786 §103 Final Rejection — Pending Jun 28, 2023
18340980 APPARATUS AND METHOD GROUX, JENNIFER LILA 1754 §103§112 Non-Final OA 34d Pending Jun 26, 2023
18038520 SYSTEM FOR REPLY GENERATION JACKSON, JAKIEDA R 2657 §112 Non-Final OA 34d Pending May 24, 2023
18038532 METHOD OF TRAINING A NEURAL NETWORK MEIS, JON CHRISTOPHER 2654 §103 Final Rejection 46d Pending May 24, 2023
18197159 ABLATION TOOL KIM, SANG K 3745 §103§112 Non-Final OA — Pending May 15, 2023
18174806 GAS TURBINE ENGINE SYSTEM IGUE, ROBERTO TOSHIHARU 3741 §103§112 Non-Final OA — Pending Feb 27, 2023
18016777 REFUELLING AND/OR STORAGE NEUTRON-ABSORBING RODS DAVIS, SHARON M 3646 §102§103 Non-Final OA 1d overdue Pending Jan 18, 2023
17967603 ENGINEERING COMPONENTS OCHOA, JUAN CARLOS 2186 §103§112 Non-Final OA 62d Pending Oct 17, 2022
17917489 ABRASIVE MATERIAL, A METHOD FOR MANUFACTURING AN ABRASIVE MATERIAL AND A SUBSTRATE COATED WITH AN ABRASIVE MATERIAL PATEL, RONAK C 1788 §103 Final Rejection — Pending Oct 06, 2022
17751054 AIRCRAFT BATTERY SYSTEMS SMITH, NICHOLAS A 1752 §103 Non-Final OA 127d overdue Pending May 23, 2022
17556211 HYDROGEN STORAGE TANK WITH LEAK MANAGEMENT FUNCTIONALITY PATEL, SUHANI JITENDRA 1783 §103§112 Non-Final OA 140d overdue Pending Dec 20, 2021
19008084 NOSECONES FOR TURBINE ENGINE DELRUE, BRIAN CHRISTOPHER 3745 §103 Non-Final OA — Pending Jan 02, 2025
18667602 VEHICLE ELECTRICAL POWER SYNCHRONIZATION VIA HYDRAULICS QUIGLEY, THOMAS K 2834 §103 Non-Final OA — Pending May 17, 2024
18667616 VEHICLE ELECTRICAL POWER SYNCHRONIZATION VIA HYDRAULICS HARRINGTON, ALYSON JOAN 3741 §103 Non-Final OA — Pending May 17, 2024
18661009 QUANTIFYING MICROSTRUCTURAL FEATURES IN THERMAL SPRAY COATINGS USING IMAGE ANALYSIS TECHNIQUES BACA, MATTHEW WALTER 2857 §101§112 Non-Final OA — Pending May 10, 2024
18417605 COOLING HOLE AIR FLOW FOR THERMAL SPRAY COATINGS THOMAS, BINU 1717 §103 Non-Final OA — Pending Jan 19, 2024
18410898 COLD SPRAY DIAGNOSTICS GO, RICKY 2857 §101§103 Non-Final OA — Pending Jan 11, 2024
18541974 TURBINE-POWERED SYSTEM WITH THERMOELECTRIC COOLING MEADE, LORNE EDWARD 3741 §103§112 Final Rejection — Pending Dec 15, 2023
18144425 AIRCRAFT DC POWER BUS REGULATION AND WING DE-ICER MACEDA, KRYSTENE NHE BANDONG 3761 §103§112 Final Rejection 29d Pending May 08, 2023
18899827 DYNAMIC DATA DELIVERABLE TOOL DELICH, STEPHANIE ZAGARELLA 3623 §101 Non-Final OA — Pending Sep 27, 2024
18633076 POST DEPOSITION HEAT TREATMENT OF COATING ON SUBSTRATE BAREFORD, KATHERINE A 1718 §103 Non-Final OA 29d Pending Apr 11, 2024
18593438 FUNCTIONALLY GRADED MATERIALS FROM THERMAL PROCESSING WEN, KEVIN GUANHUA 3761 §103§112 Non-Final OA — Pending Mar 01, 2024
18593569 ADDITIVE MANUFACTURING TECHNIQUES FOR ABRASIVE COATINGS USING IN SITU REACTION KUVAYSKAYA, ANASTASIA ALEKSEYEVNA 1731 §103§112 Non-Final OA — Pending Mar 01, 2024
18360886 EMERGENCY START OF A GAS TURBINE ENGINE BURKE, THOMAS P 3741 §103 Final Rejection — Pending Jul 28, 2023
18051237 ELECTRODE FOR PULSED ELECTROCHEMICAL MACHINING VAN, LUAN V 1795 §103§112 Non-Final OA — Pending Oct 31, 2022
17645657 INTERMEDIATE COATING FOR HIGH TEMPERATURE ENVIRONMENTS DICUS, TAMRA 1787 §112 Non-Final OA 55d Pending Dec 22, 2021

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