Last updated: July 09, 2026

Application No. 19/451,178

Untitled Application

Unknown

Filed

Priority

Sep 29, 2015 — provisional 62/234,483 +26 more

Examiner

ZOLLINGER, NATHAN C

Art Unit

Tech Center

Kerr Machine Co.

Assignee

Kerr Machine Co.

OA Round

1 (Non-Final)

Interview Optional

— +40.3% interview lift. Examiner has a relatively high allowance rate (69%); +40.3% interview lift. A written response may suffice.

Based on 872 resolved cases, 2023–2026

Examiner Intelligence

ZOLLINGER, NATHAN C View full profile →

Grants 69% — above average

Career Allowance Rate

605 granted / 872 resolved

+9.4% vs TC avg

Strong +40% interview lift

Without

With

+40.3%

Interview Lift

resolved cases with interview

Typical timeline

2y 10m

Avg Prosecution

18 currently pending

Career history

896

Total Applications

across all art units

Statute-Specific Performance

§101

0.1%

-39.9% vs TC avg

§103

83.1%

+43.1% vs TC avg

§102

9.6%

-30.4% vs TC avg

§112

6.2%

-33.8% vs TC avg

Black line = Tech Center average estimate • Based on career data from 872 resolved cases

Prosecution Timeline

Apr 13, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/381,802

Patent 12655837

Apparatus For Pumping Liquid Onto A Rotating Surface

2y 8m to grant Granted Jun 16, 2026

18/415,894

Patent 12655836

U-SHAPED E-CIGARETTE PERISTALTIC PUMP

2y 5m to grant Granted Jun 16, 2026

18/289,366

Patent 12650116

RADIAL PISTON PUMP, IN PARTICULAR RADIAL PISTON COMPRESSOR

2y 7m to grant Granted Jun 09, 2026

18/566,630

Patent 12631170

COMPRESSOR SYSTEM FOR A PUNCTURE REPAIR KIT, PUNCTURE REPAIR KIT HAVING SUCH A COMPRESSOR SYSTEM, AND METHOD FOR SEALING A VEHICLE TYRE WITH SUCH A COMPRESSOR SYSTEM

2y 5m to grant Granted May 19, 2026

18/517,782

Patent 12624692

PUMP HOUSING WITH DRAIN FOR VEHICLE

2y 5m to grant Granted May 12, 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

69%

Grant Probability

99%

With Interview (+40.3%)

2y 10m

Median Time to Grant

Low

PTA Risk

Based on 872 resolved cases by this examiner. Grant probability derived from career allowance rate.