Prosecution Insights
Last updated: August 18, 2026

Parker-Hannifin Corporation

11 pending office actions • 9 art units • 11 examiners • 0 of 11 (0%) have an AI response strategy ready • 36 patents granted in the last 365 days

Portfolio Summary

11
Total Pending OAs
7
Non-Final OAs
3
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

0
Overdue
0
Due this week
0
Due this month
1
Due in next 60 days
1
Due later

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.

8
Hard (73%)
3
Medium (27%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only2 (18%)
§102 only1 (9%)
Multi-statute (no §101)8 (73%)

Industry Mix

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

5
Life Sciences
45% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
5
Mechanical / Eng
45% of docket
1
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.

110 h
Manual time on pending OAs
22 h
Time saved (low, 20%)
38 h
Time saved (mid, 35%)
1.0 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
BROWN, JOSEPH HENRY 1 59.9% +38.2%
RUFRANO, ALEXANDER TYLER 1 53.7% +26.2%
REID, MICHAEL ROBERT 1 78.9% +19.8%
LEE, GILBERT Y 1 78.8% +10.6%
KIM, SUN U 1 78.6% +11.0%
PAIK, SANG YEOP 1 65.3% +16.5%
JONES, CHRISTOPHER P 1 76.0% +24.9%
COOLEY, CHARLES E 1 79.1% +15.0%
MCCARTY, PATRICK M 1 62.4% +22.3%
USELDING, JOHN E 1 53.5% +17.6%

Hard Cases (8)

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
18846310 ELECTRICALLY CONDUCTIVE SEALING ELEMENT LEE, GILBERT Y 55d
19259339 EDDY CURRENT DAMPER FOR POWER TAKE-OFF GEAR RATTLE ABATEMENT BROWN, JOSEPH HENRY
19078373 Fitting for Use with a Refrigerant Hose RUFRANO, ALEXANDER TYLER
18911373 Check Valve for Refrigeration Systems REID, MICHAEL ROBERT
18554640 HEATER HOSE WITH MULTI-VOLTAGE FUNCTIONALITY AND CONSTANT POWER OUTPUT PAIK, SANG YEOP
18548378 SYSTEM AND METHOD FOR CONTROLLING HEAT LOAD OR PARASITIC LOAD IN A FLAMMABILITY REDUCTION SYSTEM OF AN AIRCRAFT JONES, CHRISTOPHER P
17704267 THERMOPLASTIC VULCANIZATES COMPRISING ACRYLATE RUBBER AND THERMOPLASTIC POLYURETHANE USELDING, JOHN E
18111090 SYSTEM, CANNULA, AND METHOD FOR DE-AIRING A PATIENT'S HEART FREHE, WILLIAM R

Interview Candidates (10)

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
18846310 ELECTRICALLY CONDUCTIVE SEALING ELEMENT LEE, GILBERT Y 55d
18106282 MODULAR MIXING IMPELLER COOLEY, CHARLES E 83d
19259339 EDDY CURRENT DAMPER FOR POWER TAKE-OFF GEAR RATTLE ABATEMENT BROWN, JOSEPH HENRY
19078373 Fitting for Use with a Refrigerant Hose RUFRANO, ALEXANDER TYLER
18911373 Check Valve for Refrigeration Systems REID, MICHAEL ROBERT
18437799 FUEL CELL HUMIDIFICATION POTTING ADHESIVE SHROUD KIM, SUN U
18554640 HEATER HOSE WITH MULTI-VOLTAGE FUNCTIONALITY AND CONSTANT POWER OUTPUT PAIK, SANG YEOP
18548378 SYSTEM AND METHOD FOR CONTROLLING HEAT LOAD OR PARASITIC LOAD IN A FLAMMABILITY REDUCTION SYSTEM OF AN AIRCRAFT JONES, CHRISTOPHER P

Top Art Units

Art UnitApps
1774 2
3618 1
3679 1
3753 1
3675 1
1777 1
1776 1
1763 1
3783 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19259339 EDDY CURRENT DAMPER FOR POWER TAKE-OFF GEAR RATTLE ABATEMENT BROWN, JOSEPH HENRY 3618 §103§112 Final Rejection Pending Jul 03, 2025
19078373 Fitting for Use with a Refrigerant Hose RUFRANO, ALEXANDER TYLER 3679 §102§103 Non-Final OA Pending Mar 13, 2025
18911373 Check Valve for Refrigeration Systems REID, MICHAEL ROBERT 3753 §102§103§112 Non-Final OA Pending Oct 10, 2024
18846310 ELECTRICALLY CONDUCTIVE SEALING ELEMENT LEE, GILBERT Y 3675 §102§103§112 Final Rejection 55d Pending Sep 12, 2024
18437799 FUEL CELL HUMIDIFICATION POTTING ADHESIVE SHROUD KIM, SUN U 1777 §102 Non-Final OA Pending Feb 09, 2024
18554640 HEATER HOSE WITH MULTI-VOLTAGE FUNCTIONALITY AND CONSTANT POWER OUTPUT PAIK, SANG YEOP §102§103 Non-Final OA Pending Oct 10, 2023
18548378 SYSTEM AND METHOD FOR CONTROLLING HEAT LOAD OR PARASITIC LOAD IN A FLAMMABILITY REDUCTION SYSTEM OF AN AIRCRAFT JONES, CHRISTOPHER P 1776 §103§112 Final Rejection Pending Aug 30, 2023
18106282 MODULAR MIXING IMPELLER COOLEY, CHARLES E 1774 §103 Non-Final OA 83d Pending Feb 06, 2023
17733435 INLINE MIXER DEVICE, METHODS OF MIXING, AND METHODS OF MAKING AN INLINE MIXER DEVICE MCCARTY, PATRICK M 1774 §103 Non-Final OA Pending Apr 29, 2022
17704267 THERMOPLASTIC VULCANIZATES COMPRISING ACRYLATE RUBBER AND THERMOPLASTIC POLYURETHANE USELDING, JOHN E 1763 §103§112 Non-Final OA Pending Mar 25, 2022
18111090 SYSTEM, CANNULA, AND METHOD FOR DE-AIRING A PATIENT'S HEART FREHE, WILLIAM R 3783 §102§103§112 Non-Final OA Pending Feb 17, 2023

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