Heating unit with a partition
US-2020309414-A1 · Oct 1, 2020 · US
using heat pumps
using heat pumps · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F24D5/12 |
| Official title | using heat pumps |
| Display label | using heat pumps |
| Total patents | 105 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 12 |
| 2017 | 9 |
| 2018 | 12 |
| 2019 | 11 |
| 2020 | 6 |
| 2021 | 8 |
| 2022 | 5 |
| 2023 | 7 |
| 2024 | 11 |
| 2025 | 7 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and system for heating auto-setback
US-2020003441-A1 · Jan 2, 2020 · US
Air-conditioning apparatus
US-10465935-B2 · Nov 5, 2019 · US
Portable thermostat systems and methods
US-2019277531-A1 · Sep 12, 2019 · US
Air conditioning system
US-10386078-B2 · Aug 20, 2019 · US
Air conditioning system
US-10371393-B2 · Aug 6, 2019 · US
Compact air handler with multiple fans
US-2019154283-A1 · May 23, 2019 · US
Monitoring and recoverable protection of switching circuitry for smart-home devices
US-10298009-B2 · May 21, 2019 · US
System and method for maintaining air temperature within a building HVAC system
US-10295237-B2 · May 21, 2019 · US
Air-conditioning apparatus
US-2019120513-A1 · Apr 25, 2019 · US
Gas fired modular blower control and associated methodology
US-10215425-B2 · Feb 26, 2019 · US
Compact air handler with multiple fans
US-10215431-B2 · Feb 26, 2019 · US
Methods, systems, and related architectures for managing network connected devices
US-2019037024-A1 · Jan 31, 2019 · US
Methods, systems, and related architectures for managing network connected devices
US-10142421-B2 · Nov 27, 2018 · US
Combined hot water and air heating and conditioning system including heat pump
US-10132507-B2 · Nov 20, 2018 · US
Setting value change device
US-2018314403-A1 · Nov 1, 2018 · US
Air conditioning system
US-2018259218-A1 · Sep 13, 2018 · US
Apparatus and method for hybrid water heating and air cooling and control thereof
US-10041702-B2 · Aug 7, 2018 · US
System and method for reusing waste heat of a transcritical refrigeration system
US-2018187927-A1 · Jul 5, 2018 · US
Monitoring and recoverable protection of thermostat switching circuitry
US-2018191154-A1 · Jul 5, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24D5/12?
- CPC F24D5/12 is the Cooperative Patent Classification code for “using heat pumps.”
- How many patents are filed under CPC F24D5/12 (using heat pumps)?
- Our database includes 105 publications tagged with this CPC code.
- Is patent activity under CPC F24D5/12 growing?
- Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).