Last updated: May 29, 2026

Application No. 18/224,920

PROPORTIONAL CONTROL OF COOLING CIRCUIT OF FUEL NOZZLE

Non-Final OA

Filed

Jul 21, 2023

Priority

Feb 14, 2023 — CIP of 18/109,555

Examiner

IGUE, ROBERTO TOSHIHARU

Art Unit

3741

Tech Center

3700 — Mechanical Engineering & Manufacturing

Assignee

Collins Engine Nozzles Inc.

OA Round

4 (Non-Final)

Interview Optional

— +17.4% interview lift. Interview already conducted in this application's prosecution history. This examiner has a 59% grant rate with +17.4% interview lift. Since an interview has already been tried, recommend written response with narrowed claims based on precedent claim evolution patterns.

Based on 46 resolved cases, 2023–2026

Examiner Intelligence

IGUE, ROBERTO TOSHIHARU View full profile →

Grants 59% of resolved cases

Career Allowance Rate

27 granted / 46 resolved

-11.3% vs TC avg

Strong +17% interview lift

Without

With

+17.4%

Interview Lift

resolved cases with interview

Typical timeline

2y 7m

Avg Prosecution

16 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§103

92.4%

+52.4% vs TC avg

§102

1.0%

-39.0% vs TC avg

§112

5.2%

-34.8% vs TC avg

Black line = Tech Center average estimate • Based on career data from 46 resolved cases

Prosecution Timeline

Show 11 earlier events

Feb 03, 2025

Non-Final Rejection mailed

May 21, 2025

Interview Requested

May 29, 2025

Response Filed

Sep 04, 2025

Final Rejection mailed

Sep 19, 2025

Interview Requested

Oct 02, 2025

Applicant Interview (Telephonic)

Oct 02, 2025

Examiner Interview Summary

Nov 03, 2025

Response after Non-Final Action

Precedent Cases

Applications granted by this same examiner with similar technology

18/525,143

Patent 12637977

FUEL CONDITIONING SYSTEM

2y 5m to grant Granted May 26, 2026

17/726,061

Patent 12631126

MULTI-LAYERED CONTAINMENT STRUCTURE FOR A BLADED ROTOR OF A GAS TURBINE ENGINE

4y 0m to grant Granted May 19, 2026

18/330,608

Patent 12624658

STACKED APPROACH FOR DISTRIBUTED HYBRID PROPULSION WITH SCALABILITY AND MODULARITY

2y 11m to grant Granted May 12, 2026

18/246,984

Patent 12617544

METHOD FOR DETERMINING AT LEAST ONE POWER LIMIT OF A HYBRID DRIVE TRAIN FOR A TRANSPORT VEHICLE, IN PARTICULAR AN AIRCRAFT

3y 1m to grant Granted May 05, 2026

17/958,405

Patent 12601293

GAS TURBINE ENGINE INLET

3y 6m to grant Granted Apr 14, 2026

Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

Get a prosecution strategy drawn from examiner precedents, rejection analysis, and claim mapping.

Typically takes 5-10 seconds — AI-generated, attorney review required before filing

Prosecution Projections

4-5

Expected OA Rounds

59%

Grant Probability

76%

With Interview (+17.4%)

2y 7m (~0m remaining)

Median Time to Grant

High

PTA Risk

Based on 46 resolved cases by this examiner. Grant probability derived from career allowance rate.