Prosecution Insights
Last updated: April 19, 2026

Pratt & Whitney

42 pending office actions • 4 clients

Portfolio Summary

42
Total Pending OAs
17
Final Rejections
25
Non-Final OAs

Client Portfolio (4 clients)

Client (Assignee)Pending OAs
Rtx Corporation 18
Raytheon Technologies Corporation 9
Raytheon Technologies Corporation 8
Rtx Corporation 7

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
19366795 Untitled Rtx Corporation THOMAS, KYLE ROBERT 3741 Final Rejection
18746271 Untitled Rtx Corporation ZAMORA ALVAREZ, ERIC J 3745 Non-Final OA
18886695 Untitled Rtx Corporation PHAN, AN BACH 3763 Non-Final OA
18747772 Untitled Rtx Corporation BROCKMAN, ELDON T 3799 Non-Final OA
18904746 Untitled Rtx Corporation SEABE, JUSTIN D 3745 Non-Final OA
19261035 GAS TURBINE ENGINE WITH CARBON/CARBON COMPOSITE PISTON SEAL Rtx Corporation RIBADENEYRA, THEODORE C 3745 Non-Final OA Jul 07, 2025
19247172 CMC STEPPED COMBUSTOR LINER Rtx Corporation CHAU, ALAIN 3741 Final Rejection Jun 24, 2025
19200932 METHOD AND SYSTEM FOR MOLDED COATING ON CMC Rtx Corporation TROCHE, EDGAREDMANUE 1744 Non-Final OA May 07, 2025
19081228 VARIABLE TRANSMISSION DRIVEN FUEL PUMP FOR A GAS TURBINE ENGINE Rtx Corporation SUNG, GERALD LUTHER 3741 Final Rejection Mar 17, 2025
18770950 FUEL CELL EXHAUST CONDENSATION WITH TURBOMACHINERY WATER AUGMENTATION USING CRYOGENIC BOTTOMING CYCLE Rtx Corporation BURKE, THOMAS P 3741 Non-Final OA Jul 12, 2024
18770803 CRYO-ASSISTED BOTTOMING CYCLE HEAT SOURCE SEQUENCING Rtx Corporation NG, HENRY 3741 Non-Final OA Jul 12, 2024
18751501 OIL SYSTEM BREATHER CONFIGURATION TO CAPTURE OIL EMISSIONS Rtx Corporation THOMAS, KYLE ROBERT 3741 Non-Final OA Jun 24, 2024
18678518 AXIAL FLOW TAPERED CONDENSER ARRANGEMENT FOR AN AIRCRAFT PROPULSION SYSTEM Rtx Corporation SEBASCO CHENG, STEPHANIE 3741 Final Rejection May 30, 2024
18654776 METHOD AND APPARATUS FOR USING RADIATION IMAGING DATA TO ANALYZE COMPONENTS Rtx Corporation GUNBERG, EDWIN C 2884 Non-Final OA May 03, 2024
18641795 NICKEL PHOSPHOROUS COATING Rtx Corporation SEHN, MICHAEL L 3745 Final Rejection Apr 22, 2024
18442913 MULTI-PIECE MANDREL FOR BUILDING UP AIRFOIL STRUCTURE Rtx Corporation SNELTING, ERIN LYNN 1741 Final Rejection Feb 15, 2024
18418618 Modular FADEC Thermal Management Rtx Corporation DUGER, JASON H 3741 Final Rejection Jan 22, 2024
18406442 ORCHESTRATOR FOR OPTIMIZING HPC COMPUTTING JOB ALLOCATION Rtx Corporation EWALD, JOHN ROBERT DAKITA 2199 Non-Final OA Jan 08, 2024
18541612 BLADE CONFIGURED FOR IMPACT TOLERANCE Rtx Corporation BUI, ANDREW THANH 3745 Final Rejection Dec 15, 2023
18497381 SEAL WITH COATING Rtx Corporation FERGUSON, LAWRENCE D 1781 Non-Final OA Oct 30, 2023
18497600 GAS TURBINE ENGINE DRONE INSPECTION SYSTEM Rtx Corporation DUNNE, KENNETH MICHAEL 3669 Final Rejection Oct 30, 2023
18492078 LOCATION-SPECIFIC PROBABILISTIC APPROACH FOR PREDICTION OF DEFECT FORMATION IN ADDITIVE MANUFACTURING Rtx Corporation TRAN, VINCENT HUY 2115 Non-Final OA Oct 23, 2023
18370497 PLANETARY FAN DRIVE GEAR SYSTEM AUXILIARY OIL CAPTURE SYSTEM Rtx Corporation KIM, SANG K 3745 Non-Final OA Sep 20, 2023
18467849 GEOMETRIC TARGETING FOR LIGHTWEIGHT VIEWER Rtx Corporation TILLERY, RASHAWN N 2174 Final Rejection Sep 15, 2023
18362116 GAS TURBINE ENGINE BLEED SYSTEM CONTROL AT ENGINE SHUTDOWN Rtx Corporation BURKE, THOMAS P 3741 Non-Final OA Jul 31, 2023
18345306 METHOD AND APPARATUS FOR FORMING LEADING AND TRAILING EDGES ON AIRFOILS Raytheon Technologies Corporation NEIBAUR, ROBERT F 3723 Non-Final OA Jun 30, 2023
18331129 APPARATUS AND METHOD FOR ISOLATING HYDROGEN FROM WATER Raytheon Technologies Corporation COHEN, STEFANIE J 1732 Non-Final OA Jun 07, 2023
18331137 APPARATUS AND METHOD FOR ISOLATING HYDROGEN FROM WATER Raytheon Technologies Corporation BOYER, RANDY 1771 Non-Final OA Jun 07, 2023
18302964 LASER TREATMENT OF MACHINED CERAMIC SURFACE FOR SEALING Raytheon Technologies Corporation ADJAGBE, MAXIME M 3745 Non-Final OA Apr 19, 2023
18134970 ENVIRONMENTAL BARRIER COATING AND METHOD OF APPLYING THE SAME Raytheon Technologies Corporation YANG, ZHEREN J 1781 Non-Final OA Apr 14, 2023
18123666 ENVIRONMENTAL BARRIER COATING WITH THERMAL RESISTANCE Raytheon Technologies Corporation MILLER, DANIEL H 1783 Non-Final OA Mar 20, 2023
18157450 SEALING INTERFACE Raytheon Technologies Corporation BUI, ANDREW THANH 3745 Final Rejection Jan 20, 2023
18152482 EDM ELECTRODE WITH ENRICHED SURFACE REGION Raytheon Technologies Corporation TRAN, THIEN S 3761 Final Rejection Jan 10, 2023
18080508 ARTICLE AND METHOD OF MAKING A CERAMIC MATRIX COMPOSITE ARTICLE Raytheon Technologies Corporation GHORISHI, SEYED BEHROOZ 1748 Final Rejection Dec 13, 2022
18070962 FIXTURE WITH GROOVES FOR PROCESSING CMC ARTICLE Raytheon Technologies Corporation KRASNOW, NICHOLAS R 1744 Non-Final OA Nov 29, 2022
17961996 CERAMIC MATRIX COMPOSITE ARTICLE AND METHOD OF MAKING THE SAME Raytheon Technologies Corporation DAIGLER, CHRISTOPHER PAUL 1741 Final Rejection Oct 07, 2022
17882164 CERAMIC MATRIX COMPOSITE ARTICLE AND METHOD OF MAKING THE SAME Raytheon Technologies Corporation DUMBRIS, SETH M 1784 Non-Final OA Aug 05, 2022
17832094 ENVIRONMENTAL BARRIER COATING AND METHOD OF MAKING THE SAME Raytheon Technologies Corporation EMPIE, NATHAN H 1712 Final Rejection Jun 03, 2022
17711600 ENVIRONMENTAL BARRIER COATING Raytheon Technologies Corporation LE, HOA T 1788 Final Rejection Apr 01, 2022
17691378 ACOUSTIC LINER WITH VARIED PROPERTIES Raytheon Technologies Corporation DOERRLER, WILLIAM CHARLES 3993 Non-Final OA Mar 10, 2022
17504869 STRADDLE MOUNTED LOW PRESSURE COMPRESSOR Raytheon Technologies Corporation MEADE, LORNE EDWARD 3741 Final Rejection Oct 19, 2021
17394497 FLEXIBLE SUPPORT STRUCTURE FOR A GEARED ARCHITECTURE GAS TURBINE ENGINE Raytheon Technologies Corporation FLORES, JUAN G 3745 Non-Final OA Aug 05, 2021

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