Last updated: May 29, 2026

Application No. 17/947,426

SOLID-STATE REFRIGERATION APPARATUS

Non-Final OA

Filed

Sep 19, 2022

Priority

Mar 30, 2020 — JP 2020-060281 +1 more

Examiner

PETTITT, JOHN F

Art Unit

3763

Tech Center

3700 — Mechanical Engineering & Manufacturing

Assignee

Daikin Industries Ltd.

OA Round

1 (Non-Final)

This examiner grants 26% of cases after interview

— +21.4% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 687 resolved cases, 2023–2026

Examiner Intelligence

PETTITT, JOHN F View full profile →

Grants only 26% of cases

Career Allowance Rate

176 granted / 687 resolved

-44.4% vs TC avg

Strong +21% interview lift

Without

With

+21.4%

Interview Lift

resolved cases with interview

Typical timeline

4y 9m

Avg Prosecution

47 currently pending

Career history

765

Total Applications

across all art units

Statute-Specific Performance

§101

0.1%

-39.9% vs TC avg

§103

83.5%

+43.5% vs TC avg

§102

9.1%

-30.9% vs TC avg

§112

5.4%

-34.6% vs TC avg

Black line = Tech Center average estimate • Based on career data from 687 resolved cases

Prosecution Timeline

Sep 19, 2022

Application Filed

Sep 10, 2025

Non-Final Rejection mailed

Dec 09, 2025

Response after Non-Final Action

Dec 09, 2025

Response Filed

Precedent Cases

Applications granted by this same examiner with similar technology

18/268,961

Patent 12638239

METHOD FOR SEPARATING AIR BY CRYOGENIC DISTILLATION

2y 11m to grant Granted May 26, 2026

18/516,435

Patent 12631168

CRYOPUMP AND CRYOPUMP REGENERATION METHOD

2y 6m to grant Granted May 19, 2026

19/248,370

Patent 12631296

METHOD AND SYSTEM FOR ASSISTING THE MANAGEMENT OF A LIQUEFIED GAS TRANSPORT SHIP OF THE TYPE CONSUMING EVAPORATED GAS FOR ITS PROPULSION

10m to grant Granted May 19, 2026

16/492,645

Patent 12590674

THERMALLY INSULATING SEALED TANK COMPRISING A REINFORCING INSULATING PLUG

6y 6m to grant Granted Mar 31, 2026

18/134,758

Patent 12590758

NITROGEN GENERATING DEVICE AND NITROGEN GENERATING METHOD

2y 11m to grant Granted Mar 31, 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

1-2

Expected OA Rounds

26%

Grant Probability

47%

With Interview (+21.4%)

4y 9m (~1y 1m remaining)

Median Time to Grant

Low

PTA Risk

Based on 687 resolved cases by this examiner. Grant probability derived from career allowance rate.