Hybrid Residential Ground-Coupled Heat Pump
US-2018195778-A1 · Jul 12, 2018 · US
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Mechanical Engineering
Mechanical Engineering · 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 | F24J2003/089 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Integrated renewable energy and asset system
US-9903618-B2 · Feb 27, 2018 · US
Scale suppression apparatus, geothermal power generation system using the same, and scale suppression method
US-9815724-B2 · Nov 14, 2017 · US
Geothermal energy extraction subterranean system
US-2017321934-A1 · Nov 9, 2017 · US
Multi-fluid renewable geo-energy systems and methods
US-9739509-B2 · Aug 22, 2017 · US
Underground heat-exchange system
US-2016209083-A1 · Jul 21, 2016 · US
Scale suppression apparatus, geothermal power generation system using the same, and scale suppression method
US-2015121867-A1 · May 7, 2015 · US