Prosecution Insights
Last updated: August 18, 2026

HAMILTON SUNDSTRAND Corporation

64 pending office actions • 31 art units • 62 examiners • 0 of 64 (0%) have an AI response strategy ready • 241 patents granted in the last 365 days

Portfolio Summary

64
Total Pending OAs
30
Non-Final OAs
14
Final Rejections
20
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 23 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

13
Overdue
0
Due this week
4
Due this month
4
Due in next 60 days
2
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 23 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (13)Due ≤ 30 days (4)Due ≤ 60 days (4)Due later (2)

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

34
Hard (53%)
28
Medium (44%)
2
Easy (3%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (2%)
§103 only23 (36%)
§102 only4 (6%)
Double-patenting only2 (3%)
Double-patenting + other1 (2%)
Multi-statute (no §101)33 (52%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

4
Life Sciences
6% of docket
1
Information Tech
2% of docket
0
Communications
0% of docket
23
Semiconductors
36% of docket
30
Mechanical / Eng
47% of docket
6
Business / Other
9% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

640 h
Manual time on pending OAs
128 h
Time saved (low, 20%)
224 h
Time saved (mid, 35%)
5.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
CHOI, SEUNG HO 2 100.0% +0.0%
ARANT, HARRY E 2 49.0% +22.1%
SANCHEZ-MEDINA, REINALDO 1 78.3% +21.4%
FIX, THOMAS S 1 72.0% +15.9%
MAI, LAM T 1 96.1% +0.8%
LAMBERT, GABRIEL JOSEPH RENE 1 64.4% +12.6%
SETZER, NICHOLAS LEE 1 70.0% +40.0%
NGUYEN, AIMEE TRAN 1 80.0% +14.8%
GUGGER, SEAN A 1 64.7% +23.2%
JONES, GORDON A 1 60.7% +38.0%

Quick Wins (3)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
19086441 GATE DRIVE POWER SUPPLY USING PROGRAMMABLE DEVICE IN MOTOR DRIVE APPLICATION CHOI, SEUNG HO
19010923 TIME-INTERLEAVED ANALOGUE-TO-DIGITAL CONVERTERS (ADCS) MAI, LAM T
18813919 LLC VOLTAGE CONVERTER CHOI, SEUNG HO

Hard Cases (34)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
17985262 EXTRAPLANETARY REMOTE RESCUE SYSTEM CONLEY, FREDRICK C 180d overdue
18219946 HOLDUP CAPACITOR CHARGING USING SINGLE SWITCH FORWARD CONVERTER GBLENDE, JEFFREY A 141d overdue
18512538 AIR CONDITIONING AND VAPOR CYCLE SYSTEM MOORE, DEVON TYLEN 42d overdue
18661912 MOTOR RADIATOR SINGH, ALEXANDER A 36d overdue
17984426 COMPOSITE MAGNET CARRIER CARLEY, JEFFREY T. 26d overdue
18654550 RAM AIR FAN INCLUDING ADDITIVELY MANUFACTURED HEAT EXCHANGER INSERT LEGENDRE, CHRISTOPHER RYAN 22d overdue
18130540 HEAT EXCHANGER COOLING SYSTEMS AND AUXILIARY POWER GENERATION ON LIQUID HYDROGEN-FUELED AIRCRAFTS RHEE, JANE J 11d overdue
18356336 LINEAR INDUCTION MOTOR DRIVE FOR A HIGH-SPEED TRANSPORTATION SYSTEM KUHFUSS, ZACHARY L 9d

Interview Candidates (9)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
19171898 AIRCRAFT PRESSURE RELIEF VALVES SANCHEZ-MEDINA, REINALDO
19095808 ACTUATOR WITH BACK-TO-BACK CLUTCH AND A NO-BACK UNIT FIX, THOMAS S
19008024 AIRCRAFT ELECTRICAL SYSTEM LAMBERT, GABRIEL JOSEPH RENE
18939898 MOTOR RADIATOR SETZER, NICHOLAS LEE
18907736 VIBRATION DAMPENING ASSEMBLY FOR BEARING SYSTEMS NGUYEN, AIMEE TRAN
18819173 MOTOR RADIATOR GUGGER, SEAN A
18814204 HEAT EXCHANGER CORE LAYER PIN JONES, GORDON A
18743532 HEAT EXCHANGER CORE DESIGN ARANT, HARRY E

Top Art Units

Art UnitApps
3763 10
2838 8
3762 5
2834 3
2837 3
2858 2
2835 2
3783 2
3618 1
3669 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19171898 AIRCRAFT PRESSURE RELIEF VALVES SANCHEZ-MEDINA, REINALDO §102§103§112 Non-Final OA Pending Apr 07, 2025
19095808 ACTUATOR WITH BACK-TO-BACK CLUTCH AND A NO-BACK UNIT FIX, THOMAS S 3618 §102§103§112 Non-Final OA Pending Mar 31, 2025
19086441 GATE DRIVE POWER SUPPLY USING PROGRAMMABLE DEVICE IN MOTOR DRIVE APPLICATION CHOI, SEUNG HO §102 Non-Final OA Pending Mar 21, 2025
19010923 TIME-INTERLEAVED ANALOGUE-TO-DIGITAL CONVERTERS (ADCS) MAI, LAM T §102 Non-Final OA Pending Jan 06, 2025
19008024 AIRCRAFT ELECTRICAL SYSTEM LAMBERT, GABRIEL JOSEPH RENE 3669 §102§103§112 Final Rejection Pending Jan 02, 2025
18939898 MOTOR RADIATOR SETZER, NICHOLAS LEE §103 Non-Final OA Pending Nov 07, 2024
18907736 VIBRATION DAMPENING ASSEMBLY FOR BEARING SYSTEMS NGUYEN, AIMEE TRAN 3617 §102§103§112 Final Rejection Pending Oct 07, 2024
18819173 MOTOR RADIATOR GUGGER, SEAN A 2834 §102§103 Non-Final OA Pending Aug 29, 2024
18813919 LLC VOLTAGE CONVERTER CHOI, SEUNG HO 2838 §103 Final Rejection Pending Aug 23, 2024
18814204 HEAT EXCHANGER CORE LAYER PIN JONES, GORDON A 3763 §102§103 Final Rejection Pending Aug 23, 2024
18785502 CHASSIS DESIGN FOR IMPROVED FIT AND THERMAL MANAGEMENT KRIM, PETER 2841 §103 Non-Final OA Pending Jul 26, 2024
18761947 FORMATION OF CONVERSION COATING WITH ENHANCED ADHESION PROMOTION BOYLE, ROBERT C 1764 §103 Non-Final OA 41d Pending Jul 02, 2024
18758911 DETECTING POWER LINE DISCONTINUITIES TO PROTECT AGAINST ARC FAULTS PRETLOW, DEMETRIUS R 2858 §103 Non-Final OA 26d overdue Pending Jun 28, 2024
18754952 HEAT EXCHANGER CORE LAYER DESIGN BHATTACHAN, BIGYAN NMN 3763 §103 Final Rejection Pending Jun 26, 2024
18754881 HEAT EXCHANGER CORE LAYER ATTEY, JOEL M 3763 DP Non-Final OA Pending Jun 26, 2024
18753367 ELECTRIC POWER GENERATORS WITH INTEGRATED HIGH-SPEED AND HIGH-POWER PERMANENT MAGNET GENERATORS DESAI, NAISHADH N 2834 §102§103 Final Rejection Pending Jun 25, 2024
18743532 HEAT EXCHANGER CORE DESIGN ARANT, HARRY E 3763 §102§103 Non-Final OA Pending Jun 14, 2024
18736820 INSULATION FAULT MONITORING NAVARRO, HUGO IVAN 2858 §103 Non-Final OA Pending Jun 07, 2024
18679718 BASE-TO-EMITTER VOLTAGE TEMPERATURE COMPENSATION FOR TRANSISTOR INCLUDED IN SENSOR EXCITATION CIRCUIT COMBER, KEVIN J 2838 §102§103 Non-Final OA 76d Pending May 31, 2024
18665764 MOTOR DRIVE SYSTEM TESTARDI, DAVID A 3664 §103§112 Final Rejection Pending May 16, 2024
18661912 MOTOR RADIATOR SINGH, ALEXANDER A 2834 §103§112 Non-Final OA 36d overdue Pending May 13, 2024
18658247 POWER SUPPLY CIRCUIT BHAT, ADITYA S §102 Non-Final OA Pending May 08, 2024
18655691 MULTI-STAGE ROTOR FOR AIR CYCLE MACHINE RIBADENEYRA, THEODORE C 3745 §103 Non-Final OA Pending May 06, 2024
18654550 RAM AIR FAN INCLUDING ADDITIVELY MANUFACTURED HEAT EXCHANGER INSERT LEGENDRE, CHRISTOPHER RYAN 3711 §103§112 Non-Final OA 22d overdue Pending May 03, 2024
18651078 ADDITIVELY MANUFACTURED HEAT EXCHANGER LANE, DEVON 3763 §103 Non-Final OA 33d Pending Apr 30, 2024
18627792 MULTILEVEL POWER CONVERTER LEWIS, MONICA 2838 §103 Non-Final OA Pending Apr 05, 2024
18628523 SHOOT-THROUGH PROTECTION AND CURRENT MONITORING SCHEME FOR MULTILEVEL POWER CONVERTERS SHAW, LAUREN ASHLEY 2838 §103 Non-Final OA Pending Apr 05, 2024
18601337 PRINTED CIRCUIT BOARD MATEY, MICHAEL A 2835 §102§103 Non-Final OA Pending Mar 11, 2024
18596297 METHOD TO PROMOTE AIRCRAFT ELECTRIC POWER GENERATING SYSTEM FAULTS FROM LOWER SEVERITY TO HIGHER SEVERITY BASED ON FREQUENCY OF OCCURRENCE PARK, KYLE S 3666 §101§103 Non-Final OA 34d Pending Mar 05, 2024
18440150 BI-DIRECTIONAL POWER CONVERTER UTILIZING MOSFET SWITCHING ELEMENTS JACKSON, LAKAISHA 2838 §103 Final Rejection 30d overdue Pending Feb 13, 2024
18435319 INTEGRATED PNEUMATIC AND ELECTRIC CABIN AIR COMPRESSOR ANDERSON II, STEVEN S 3762 §102§103 Non-Final OA Pending Feb 07, 2024
18433901 RADIATION-HARDENED MODULAR MULTIMODAL POWER CONVERSION SYSTEM BARNETT, JOEL 2849 §103 Non-Final OA 56d overdue Pending Feb 06, 2024
18430854 MID-PRESSURE WATER SEPARATION FOR ENVIRONMENTAL CONTROL SYSTEM KEYWORTH, PETER 1777 DP Final Rejection Pending Feb 02, 2024
18416100 MID-PRESSURE WATER SEPARATION FOR ENVIRONMENTAL CONTROL SYSTEM EZELUOMBA, MIRIAM NCHEKWUBECHU 3762 §103 Non-Final OA Pending Jan 18, 2024
18411835 FEATURE FOR SUBFREEZING HEAT EXCHANGER BRAWNER, CHARLES RILEY 3762 §102§103 Non-Final OA Pending Jan 12, 2024
18407762 THERMOELECTRIC VORTEX TUBES ADENIJI, IBRAHIM M 3763 §102§103 Non-Final OA Pending Jan 09, 2024
18394096 MAGNET FOR A SURFACE PERMANENT MAGNET MACHINE TALPALATSKI, ALEXANDER 2837 §102Other Non-Final OA Pending Dec 22, 2023
18526503 TURBO CABIN AIR COMPRESSOR SURGE RELIEF ENERGY RECOVERY TADESSE, MARTHA 3762 §103§112 Non-Final OA Pending Dec 01, 2023
18520865 BURST MODE IN-RUSH CURRENT CONTROL FOR ACTIVE CURRENT LIMITER CIRCUIT FOR DC-DC CONVERTER RIVERA-PEREZ, CARLOS O 2838 §103 Final Rejection 9d Pending Nov 28, 2023
18512538 AIR CONDITIONING AND VAPOR CYCLE SYSTEM MOORE, DEVON TYLEN 3763 §102§103§112 Non-Final OA 42d overdue Pending Nov 17, 2023
18505698 UNIVERSAL COMMODE SYSTEM BUI, DUNG H 1773 §102§103 Non-Final OA Pending Nov 09, 2023
18491913 HEAT EXCHANGER WITH INTERNAL CROSS FLOW FINS DUONG, THO V 3763 §103 Final Rejection 5d overdue Pending Oct 23, 2023
18378486 ELECTRICAL CONVERTER SYSTEMS ZHANG, JUE 2838 §102§103§112 Non-Final OA Pending Oct 10, 2023
18371807 AUTO-DISCHARGE FOR CAPACITIVE DEVICES ONDRASIK, JOHN PAUL §102§103§112 Non-Final OA Pending Sep 22, 2023
18461622 DATA-ENABLED AIRCRAFT GENERATOR KARIM, ZIAUL 2119 §102§103 Non-Final OA Pending Sep 06, 2023
18233520 GENERATOR SYSTEMS CHAN, KAWING 2846 §102§103§112 Non-Final OA 22d Pending Aug 14, 2023
18356336 LINEAR INDUCTION MOTOR DRIVE FOR A HIGH-SPEED TRANSPORTATION SYSTEM KUHFUSS, ZACHARY L 3615 §102§103 Non-Final OA 9d Pending Jul 21, 2023
18219946 HOLDUP CAPACITOR CHARGING USING SINGLE SWITCH FORWARD CONVERTER GBLENDE, JEFFREY A 2838 §102§103 Non-Final OA 141d overdue Pending Jul 10, 2023
18349482 ELECTROWETTING AND THERMOELECTRICS ASSISTED TWO PHASE COOLING OF POWER ELECTRONICS USING INTEGRATED COOLING NGO, STEVEN 2835 §102§103§112 Non-Final OA Pending Jul 10, 2023
18334172 SELF-REGULATING AND GRAVITY-INDEPENDENT DEVICE FOR HYDROGEN RECOMBINING WITH AN INTEGRATED PASSIVE HEAT SINK FOR LOW-EARTH ORBIT AND DEEP-SPACE EXPLORATION SPACECRAFT ARANT, HARRY E 3763 §103 Final Rejection Pending Jun 13, 2023
18202661 FLUID PUMP SYSTEMS LEE, GEOFFREY S 3746 §103 Final Rejection 40d Pending May 26, 2023
18196875 SOLENOID ASSEMBLY WITH EXTENDED STROKE LENGTH HOMZA, LISA NHUNG 2837 §102§103 Non-Final OA Pending May 12, 2023
18315857 HEAT EXCHANGER CORE LAYER ROJOHN III, CLAIRE E 3763 §102§103 Non-Final OA 27d Pending May 11, 2023
18137591 ELECTRICALLY DIRECT CONTROLLED VARIABLE DISPLACEMENT PUMPS HALL, DEANNA K 3783 §102§103DPOther Non-Final OA Pending Apr 21, 2023
18130540 HEAT EXCHANGER COOLING SYSTEMS AND AUXILIARY POWER GENERATION ON LIQUID HYDROGEN-FUELED AIRCRAFTS RHEE, JANE J 1724 §102§103 Non-Final OA 11d overdue Pending Apr 04, 2023
17985262 EXTRAPLANETARY REMOTE RESCUE SYSTEM CONLEY, FREDRICK C 3679 §103§112 Non-Final OA 180d overdue Pending Nov 11, 2022
17984426 COMPOSITE MAGNET CARRIER CARLEY, JEFFREY T. 3729 §102§103 Non-Final OA 26d overdue Pending Nov 10, 2022
17969083 ION PUMPS AND ION PUMP ELEMENTS NICHOLS, CHARLES W 3783 §103 Final Rejection Pending Oct 19, 2022
17962306 EYE MONITORING SYSTEMS FOR DISTRESS MONITORING FERNANDES, PATRICK M 3791 §103 Non-Final OA 32d overdue Pending Oct 07, 2022
17953469 TOROIDAL INDUCTORS NGUYEN, TUYEN T 2837 §103§112 Non-Final OA 72d Pending Sep 27, 2022
17952104 AEROSOL DETECTION SYSTEMS FABIAN JR, ROBERTO 2877 §103 Non-Final OA Pending Sep 23, 2022
17952131 AEROSOL DETECTION SYSTEMS NIA, FATEMEH ESFANDIARI 2855 §103§112 Non-Final OA Pending Sep 23, 2022
17950385 HEAT EXCHANGER CORE DESIGN COOK, KYLE A 3700 §103 Non-Final OA Pending Sep 22, 2022
17690116 VEHICLE CABIN AIR TEMPERATURE CONTROL USING A PULSE WIDTH MODULATED THREE-WAY SOLENOID VALVE FAULKNER, RYAN L 3762 §103 Non-Final OA 147d overdue Pending Mar 09, 2022

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