Prosecution Insights
Last updated: October 25, 2026

Heatmaster Furnaces Inc.

Technology area: Medical Devices & Mechanical Engineering

1 pending office actions • 1 art units • 1 examiners • 0 of 1 (0%) have an AI response strategy ready

Analysis

Heatmaster Furnaces Inc. currently has 1 pending office action in the Medical Devices & Mechanical Engineering technology area. This case is handled by 1 distinct examiner, LAUX, DAVID J, who is the busiest examiner for the portfolio with 1 pending matter. All prosecution activity is located within 1 distinct art unit. This centralized structure means that the company's current patent strategy is focused on a single examiner and administrative unit.

For a practitioner, this concentration means that the outcome of the current patent effort depends entirely on the interactions with LAUX, DAVID J. The presence of only one distinct art unit indicates that the technical subject matter is currently confined to a specific regulatory niche. This lack of examiner diversity can simplify communication but also increases the impact of that specific examiner's personal tendencies on the overall portfolio. Monitoring the specific history and allowance rates of the assigned examiner is therefore critical for predicting the timeline and success of the 1 pending office action.

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

Portfolio Summary

1
Total Pending OAs
1
Non-Final OAs
0
Final Rejections
0
Advisory / Quayle

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.

1
Hard (100%)
0
Medium (0%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
Multi-statute (no §101)1 (100%)

Industry Mix

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

0
Life Sciences
0% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
100% of docket
0
Business / Other
0% 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.

10 h
Manual time on pending OAs
2 h
Time saved (low, 20%)
4 h
Time saved (mid, 35%)
0.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
LAUX, DAVID J 1 65.2% +28.5%

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18323065 FURNACE BURNER FOR COMBUSTING SOLID PARTICULATE FUEL LAUX, DAVID J —

Interview Candidates (1)

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 1 ordered by deadline are shown.

App #TitleExaminerDue in
18323065 FURNACE BURNER FOR COMBUSTING SOLID PARTICULATE FUEL LAUX, DAVID J —

Top Art Units

Art UnitApps
3762 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18323065 FURNACE BURNER FOR COMBUSTING SOLID PARTICULATE FUEL LAUX, DAVID J 3762 §102§103 Non-Final OA — Pending May 24, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Heatmaster Furnaces Inc. have?

Heatmaster Furnaces Inc. has 1 pending office actions as of October 2026, spread across 1 art units and 1 examiners.

Which USPTO examiner handles the most Heatmaster Furnaces Inc. applications?

David J Laux has the most, with 1 of Heatmaster Furnaces Inc.'s pending office actions.

What technology area are Heatmaster Furnaces Inc.'s patent applications in?

Mostly Medical Devices & Mechanical Engineering (USPTO Tech Center 3700), based on where its pending office actions are examined.

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