Prosecution Insights
Last updated: October 02, 2026

Rheem Manufacturing Company

Technology area: Medical Devices & Mechanical Engineering

35 pending office actions • 10 art units • 30 examiners • 0 of 35 (0%) have an AI response strategy ready • 34 patents granted in the last 365 days

Portfolio Summary

35
Total Pending OAs
23
Non-Final OAs
9
Final Rejections
3
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 7 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

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

-30dToday30d60d90d120d
Overdue (3)Due ≤ 7 days (1)Due ≤ 30 days (2)Due ≤ 60 days (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.

21
Hard (60%)
11
Medium (31%)
3
Easy (9%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (3%)
§103 only11 (31%)
§112 only3 (9%)
Multi-statute (no §101)20 (57%)

Industry Mix

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

0
Life Sciences
0% of docket
3
Information Tech
9% of docket
0
Communications
0% of docket
1
Semiconductors
3% of docket
20
Mechanical / Eng
57% of docket
11
Business / Other
31% 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.

350 h
Manual time on pending OAs
70 h
Time saved (low, 20%)
122 h
Time saved (mid, 35%)
3.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
ZERPHEY, CHRISTOPHER R 3 48.9% +19.2%
HINCAPIE SERNA, GUSTAVO A 2 60.0% +22.8%
KOSANOVIC, HELENA 2 45.0% +14.6%
LAU, JASON 2 53.7% +15.6%
DIAZ, MIGUEL ANGEL 1 79.8% +11.6%
TAVAKOLDAVANI, KAMRAN 1 81.8% +7.1%
SAN MARTIN, EDGARDO 1 76.0% +6.5%
PATEL, SHARDUL D 1 87.4% +12.3%
CHOI, MICHAEL W 1 77.3% +29.9%
LU, JIONG-PING 1 83.6% +7.8%

Hard Cases (21)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18731657 Systems and Methods for Heating and Removing Condensation from Air Conditioning Units BANKS, KEONA LAUREN 31d overdue
18805258 SYSTEMS AND METHODS FOR HVAC OUTDOOR UNIT WITH GRILL FORMING A SUPPORT STRUCTURE HINCAPIE SERNA, GUSTAVO A 9d overdue
18796419 Systems and Methods for Charge Imbalance Correction in Heat Pumps NORMAN, MARC E 9d overdue
18433521 Systems and Methods for Duct-Free Heat Pump Water Heater ZERPHEY, CHRISTOPHER R 6d
18543858 Drain Systems and Methods for Heater Assemblies KOSANOVIC, HELENA 22d
18984593 APPARATUS AND METHODS FOR HEATING WATER WITH REFRIGERANT FROM AIR CONDITIONING SYSTEM ZERPHEY, CHRISTOPHER R —
18979246 LOUVERED FIN TAVAKOLDAVANI, KAMRAN —
18950413 SOUND ATTENUATING COMPRESSOR JACKET SAN MARTIN, EDGARDO —

Interview Candidates (12)

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
18805258 SYSTEMS AND METHODS FOR HVAC OUTDOOR UNIT WITH GRILL FORMING A SUPPORT STRUCTURE HINCAPIE SERNA, GUSTAVO A 9d overdue
18433521 Systems and Methods for Duct-Free Heat Pump Water Heater ZERPHEY, CHRISTOPHER R 6d
18543858 Drain Systems and Methods for Heater Assemblies KOSANOVIC, HELENA 22d
18458865 Serviceable Condensate Neutralizing Exhaust Tee For High Efficiency Gas Storage Water Heaters LAU, JASON 46d
19014721 AIR-TO-WATER HEAT PUMP WITH WATER-TO-WATER ALTERNATIVE AND ASSOCIATED METHODS DIAZ, MIGUEL ANGEL —
18984593 APPARATUS AND METHODS FOR HEATING WATER WITH REFRIGERANT FROM AIR CONDITIONING SYSTEM ZERPHEY, CHRISTOPHER R —
18925466 Automated Electrical Component Identification for HVAC Systems PATEL, SHARDUL D —
18907417 SYSTEMS AND METHODS FOR REDUCING TEMPERATURE OVERSHOOT OF A HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM CHOI, MICHAEL W —

Top Art Units

Art UnitApps
3763 9
3762 5
3799 3
3745 1
2119 1
2118 1
3736 1
2116 1
2898 1
3761 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19014721 AIR-TO-WATER HEAT PUMP WITH WATER-TO-WATER ALTERNATIVE AND ASSOCIATED METHODS DIAZ, MIGUEL ANGEL — §112 Non-Final OA — Pending Jan 09, 2025
18984593 APPARATUS AND METHODS FOR HEATING WATER WITH REFRIGERANT FROM AIR CONDITIONING SYSTEM ZERPHEY, CHRISTOPHER R 3799 §102§103§112Other Non-Final OA — Pending Dec 17, 2024
18979246 LOUVERED FIN TAVAKOLDAVANI, KAMRAN — §103§112 Non-Final OA — Pending Dec 12, 2024
18950413 SOUND ATTENUATING COMPRESSOR JACKET SAN MARTIN, EDGARDO — §102§103 Non-Final OA — Pending Nov 18, 2024
18925466 Automated Electrical Component Identification for HVAC Systems PATEL, SHARDUL D — §102§103 Non-Final OA — Pending Oct 24, 2024
18907417 SYSTEMS AND METHODS FOR REDUCING TEMPERATURE OVERSHOOT OF A HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM CHOI, MICHAEL W — §101§103§112Other Non-Final OA — Pending Oct 04, 2024
18889927 Submerged Condensers and Heat Pump Water Heaters Including Same ZERPHEY, CHRISTOPHER R 3799 §103Other Final Rejection — Pending Sep 19, 2024
18821589 SYSTEMS AND METHODS FOR IMPROVING THE BOILING HEAT TRANSFER OF A HEAT TRANSFER COIL LU, JIONG-PING — §102§103§112 Non-Final OA — Pending Aug 30, 2024
18805258 SYSTEMS AND METHODS FOR HVAC OUTDOOR UNIT WITH GRILL FORMING A SUPPORT STRUCTURE HINCAPIE SERNA, GUSTAVO A 3763 §102§103§112 Final Rejection 9d overdue Pending Aug 14, 2024
18799885 Systems and Methods for Detecting Pressure in a Gas Furnace SAVANI, AVINASH A — §103 Non-Final OA — Pending Aug 09, 2024
18796419 Systems and Methods for Charge Imbalance Correction in Heat Pumps NORMAN, MARC E 3763 §102§103 Non-Final OA 9d overdue Pending Aug 07, 2024
18833341 FAN MOUNTING DECK FOR AN AIR HANDLING UNIT FISHER, WESLEY LE 3745 §103§112 Non-Final OA — Pending Jul 25, 2024
18782725 Heat Exchanger for an Air Conditioner Unit HINCAPIE SERNA, GUSTAVO A 3763 §102§112 Non-Final OA — Pending Jul 24, 2024
18780820 Heat Pump with Multiple Mini-Compressors NIEVES, NELSON J 3763 §103 Final Rejection — Pending Jul 23, 2024
18779376 CONDENSATE MANAGEMENT SYSTEMS AND METHODS WILSON, GREGORY A — §102§103 Non-Final OA — Pending Jul 22, 2024
18725981 Shroud Structure KOSANOVIC, HELENA — §102§103 Non-Final OA — Pending Jul 01, 2024
18753245 SYSTEMS AND METHODS FOR AIR CONDITIONER SUBCOOLING CIRIC, LJILJANA V 3763 §112 Non-Final OA — Pending Jun 25, 2024
18731657 Systems and Methods for Heating and Removing Condensation from Air Conditioning Units BANKS, KEONA LAUREN 3763 §103§112 Final Rejection 31d overdue Pending Jun 03, 2024
18713071 DEFROST SYSTEM FOR HEAT PUMP POOL HEATER FURDGE, LARRY L 3763 §103 Non-Final OA — Pending May 23, 2024
18620070 SYSTEMS AND METHODS FOR ADAPTIVE FLOW ACROSS MULTIPLE WATER HEATERS WOLFORD, KURT JOSEPH — §102§103 Non-Final OA — Pending Mar 28, 2024
18619007 AIR MOVER REFRIGERANT LEAK DETECTION AND RISK MITIGATION TADESSE, MARTHA 3763 §103 Final Rejection — Pending Mar 27, 2024
18611065 Packaged Terminal Air Conditioning System NGUYEN, NGOC T — §102§103 Non-Final OA — Pending Mar 20, 2024
18441362 Systems and Methods for Providing Retroactive Wireless Connectivity to HVAC Systems KARIM, ZIAUL 2119 §102§103 Final Rejection — Pending Feb 14, 2024
18437461 Systems and Methods for Bypass Operation of Variable-Speed Drive MERCADO VARGAS, ARIEL 2118 §103 Non-Final OA — Pending Feb 09, 2024
18433521 Systems and Methods for Duct-Free Heat Pump Water Heater ZERPHEY, CHRISTOPHER R 3799 §102§103 Final Rejection 6d Pending Feb 06, 2024
18430184 Systems and Methods for Gas Valve Adjustment of a Water Heater ANDERSON II, STEVEN S 3762 §102§103 Non-Final OA — Pending Feb 01, 2024
18418758 CONDUIT AND JUNCTION BOX ASSEMBLIES AND METHODS FOR WATER HEATERS ELOSHWAY, NIKI MARINA 3736 §102§103 Non-Final OA — Pending Jan 22, 2024
18543858 Drain Systems and Methods for Heater Assemblies KOSANOVIC, HELENA 3762 §102§103§112 Non-Final OA 22d Pending Dec 18, 2023
18471535 Remote Monitoring of Heating, Ventilation, and Air Conditioning Devices ERDMAN, CHAD G 2116 §103 Non-Final OA 23d Pending Sep 21, 2023
18461258 Hot Water Re-Circulation Isolator System in Combination with Water Heater/Hydronic Heating System BARGERO, JOHN E 3762 §103 Final Rejection — Pending Sep 05, 2023
18458865 Serviceable Condensate Neutralizing Exhaust Tee For High Efficiency Gas Storage Water Heaters LAU, JASON 3762 §103 Final Rejection 46d Pending Aug 30, 2023
18446817 Systems and Methods for Balancing an Electric Load of a Three-Phase Water Heater BACHNER, ROBERT G 2898 §112 Non-Final OA — Pending Aug 09, 2023
18324057 AIR HANDLER RUPPERT, ERIC S 3763 §103 Non-Final OA — Pending May 25, 2023
18321444 ELECTRIC HEATING ELEMENTS AND WATER HEATERS INCLUDING SAME KERR, ELIZABETH M 3761 §102§103 Non-Final OA — Pending May 22, 2023
18150301 FLUE SYSTEMS FOR FUEL BURNING DEVICES LAU, JASON 3762 §103 Non-Final OA — Pending Jan 05, 2023

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