Prosecution Insights
Last updated: October 02, 2026

Mueller International LLC

Technology areas: Transportation, E-Commerce & Mechanical Systems • Medical Devices & Mechanical Engineering

12 pending office actions • 6 art units • 10 examiners • 0 of 12 (0%) have an AI response strategy ready • 37 patents granted in the last 365 days

Analysis

Mueller International LLC has 12 pending office actions in the technology area of Transportation, E-Commerce & Mechanical Systems. These 12 actions are assigned to 10 distinct examiners across 6 distinct art units. This indicates a level of concentration, as some examiners are handling multiple cases for the company.

MURPHY, KEVIN F is the busiest examiner for the company, currently managing 2 pending office actions. With 12 total pending office actions and 10 distinct examiners, the majority of cases are handled by different individuals. The 6 distinct art units involved suggest that the company's innovations in this technology area are being evaluated across 6 different specialized classifications. Practitioners must coordinate 12 pending actions across these 10 examiners to ensure a unified strategy across the 6 art units.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

12
Total Pending OAs
9
Non-Final OAs
3
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 3 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

0
Overdue
0
Due this week
2
Due this month
0
Due in next 60 days
1
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. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Due ≤ 30 days (2)Due later (1)

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.

7
Hard (58%)
5
Medium (42%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (25%)
§102 only2 (17%)
Multi-statute (no §101)7 (58%)

Industry Mix

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

1
Life Sciences
8% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
1
Semiconductors
8% of docket
9
Mechanical / Eng
75% of docket
1
Business / Other
8% 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.

120 h
Manual time on pending OAs
24 h
Time saved (low, 20%)
42 h
Time saved (mid, 35%)
1.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MURPHY, KEVIN F 2 67.8% +27.7%
RUFRANO, ALEXANDER TYLER 2 54.5% +27.8%
GATES, ERIC ANDREW 1 78.8% +14.5%
HEWITT, JAMES M 1 69.6% +45.3%
HA, STEVEN S 1 70.2% +30.0%
DEAL, DAVID R 1 83.5% +12.1%
MARINI, MATTHEW G 1 60.5% +21.9%
LU, HAOTIAN 1 60.6% +37.3%
GAY, JENNIFER HAWKINS 1 85.1% +8.6%
LINFORD, JAMES ALBERT 1 64.1% +33.8%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18226650 RETRACTABLE DRILL BIT GAY, JENNIFER HAWKINS 28d

Hard Cases (7)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 7 ordered by deadline are shown.

App #TitleExaminerDue in
19213213 HYDRANT NOZZLE CAP SPACER MURPHY, KEVIN F —
18922536 WIDE RANGE GLAND FOR MECHANICAL JOINT RUFRANO, ALEXANDER TYLER —
18828824 VARIABLE LENGTH TOOL HOLDER GATES, ERIC ANDREW —
18639605 PRESSURIZING GASKET DEAL, DAVID R —
18584524 MATERIAL PROPERTIES DETERMINATION IN SERVICE PIPE USING ACOUSTICAL WAVE PROPAGATION MARINI, MATTHEW G —
18373920 PIPE REPAIR STENT WITH FRICTION ELEMENTS LU, HAOTIAN —
18094214 INTEGRAL FLEXURE TAPPING SLEEVE LINFORD, JAMES ALBERT —

Interview Candidates (11)

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
18804408 GASKET ASSEMBLY HEWITT, JAMES M 29d
18782657 ADDITIVELY PRODUCED ELECTROPLATED FOUNDRY TOOLING HA, STEVEN S 72d
19213213 HYDRANT NOZZLE CAP SPACER MURPHY, KEVIN F —
18922536 WIDE RANGE GLAND FOR MECHANICAL JOINT RUFRANO, ALEXANDER TYLER —
18828824 VARIABLE LENGTH TOOL HOLDER GATES, ERIC ANDREW —
18812068 BREAK CHECK VALVE MURPHY, KEVIN F —
18639605 PRESSURIZING GASKET DEAL, DAVID R —
18584524 MATERIAL PROPERTIES DETERMINATION IN SERVICE PIPE USING ACOUSTICAL WAVE PROPAGATION MARINI, MATTHEW G —

Top Art Units

Art UnitApps
3679 4
3753 3
3722 1
1735 1
2853 1
3619 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19213213 HYDRANT NOZZLE CAP SPACER MURPHY, KEVIN F 3753 §102§103 Final Rejection — Pending May 20, 2025
18922536 WIDE RANGE GLAND FOR MECHANICAL JOINT RUFRANO, ALEXANDER TYLER 3679 §103§112 Final Rejection — Pending Oct 22, 2024
18828824 VARIABLE LENGTH TOOL HOLDER GATES, ERIC ANDREW 3722 §102§112 Non-Final OA — Pending Sep 09, 2024
18812068 BREAK CHECK VALVE MURPHY, KEVIN F 3753 §102 Non-Final OA — Pending Aug 22, 2024
18804408 GASKET ASSEMBLY HEWITT, JAMES M 3679 §103 Non-Final OA 29d Pending Aug 14, 2024
18782657 ADDITIVELY PRODUCED ELECTROPLATED FOUNDRY TOOLING HA, STEVEN S 1735 §103 Non-Final OA 72d Pending Jul 24, 2024
18639605 PRESSURIZING GASKET DEAL, DAVID R — §102§112 Non-Final OA — Pending Apr 18, 2024
18584524 MATERIAL PROPERTIES DETERMINATION IN SERVICE PIPE USING ACOUSTICAL WAVE PROPAGATION MARINI, MATTHEW G 2853 §103§112 Non-Final OA — Pending Feb 22, 2024
18373920 PIPE REPAIR STENT WITH FRICTION ELEMENTS LU, HAOTIAN 3753 §102§103 Non-Final OA — Pending Sep 27, 2023
18226650 RETRACTABLE DRILL BIT GAY, JENNIFER HAWKINS 3619 §102 Non-Final OA 28d Pending Jul 26, 2023
18094214 INTEGRAL FLEXURE TAPPING SLEEVE LINFORD, JAMES ALBERT 3679 §102§103 Final Rejection — Pending Jan 06, 2023
17236365 WIDE RANGE PIPE FITTING RUFRANO, ALEXANDER TYLER 3679 §103 Non-Final OA — Pending Apr 21, 2021

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