Combined space and water heating systems
US-12449139-B2 · Oct 21, 2025 · US
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Long Robert L patents
Long Robert L is listed as an inventor on 31 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Long Robert L |
| Total patents | 31 |
| First publication | Mar 3, 2016 |
| Latest publication | Oct 21, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Overflow sensor assembly in temperature control systems
US-12313271-B2 · May 27, 2025 · US
Heating systems with unhoused centrifugal fan and wraparound heat exchanger
US-12305886-B2 · May 20, 2025 · US
Combined air conditioning and water heating via expansion valve regulation
US-12235026-B2 · Feb 25, 2025 · US
Air conditioning reheat systems and methods thereto
US-2025020378-A1 · Jan 16, 2025 · US
Air conditioning reheat systems and methods thereto
US-12135156-B2 · Nov 5, 2024 · US
Overflow Sensor Assembly In Temperature Control Systems
US-2024142126-A1 · May 2, 2024 · US
Overflow sensor assembly in temperature control systems
US-11906183-B2 · Feb 20, 2024 · US
Combined air conditioning and water heating via expansion valve regulation
US-2024027112-A1 · Jan 25, 2024 · US
Combined air conditioning and water heating via expansion valve regulation
US-11815298-B2 · Nov 14, 2023 · US
Recent patents
Latest publications not already listed above.
Overflow Sensor Assembly In Temperature Control Systems
US-2023076857-A1 · Mar 9, 2023 · US
Air conditioning reheat systems and methods thereto
US-2023071382-A1 · Mar 9, 2023 · US
Air conditioner with condensation drain assembly and improved filter rack
US-11585567-B2 · Feb 21, 2023 · US
Combined air conditioning and water heating via expansion valve regulation
US-2022404075-A1 · Dec 22, 2022 · US
Air conditioning reheat systems and methods thereto
US-11530857-B2 · Dec 20, 2022 · US
Overflow sensor assembly in temperature control systems
US-11530829-B2 · Dec 20, 2022 · US
Termination block
US-11493214-B2 · Nov 8, 2022 · US
Interlaced microchannel heat exchanger systems and methods thereto
US-2022221203-A1 · Jul 14, 2022 · US
Heating systems with unhoused centrifugal fan and wraparound heat exchanger
US-2022186979-A1 · Jun 16, 2022 · US
Air conditioning reheat systems and methods thereto
US-2022146164-A1 · May 12, 2022 · US
Combined space and water heating systems
US-2022136712-A1 · May 5, 2022 · US
Air conditioner with condensation drain assembly and improved filter rack
US-2021010714-A1 · Jan 14, 2021 · US
Air conditioner with condensation drain assembly and improved filter rack
US-10788241-B2 · Sep 29, 2020 · US
Overflow Sensor Assembly In Temperature Control Systems
US-2020149765-A1 · May 14, 2020 · US
Termination Block
US-2020149778-A1 · May 14, 2020 · US
Air conditioner with condensation drain assembly and improved filter rack
US-2019128560-A1 · May 2, 2019 · US
Apparatus and method for hybrid water heating and air cooling and control thereof
US-10041702-B2 · Aug 7, 2018 · US
Apparatus and method for hybrid water heating and air cooling and control thereof
US-9945587-B2 · Apr 17, 2018 · US
Apparatus and method for hybrid water heating and air cooling and control thereof
US-2016061462-A1 · Mar 3, 2016 · US
Apparatus and method for hybrid water heating and air cooling and control thereof
US-2016061508-A1 · Mar 3, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Rheem Mfg Co | 31 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F25B49/02 | 15 |
| F25B6/02 | 14 |
| F24F2110/10 | 13 |
| F24D15/04 | 11 |
| F24D17/02 | 11 |