Systems and methods utilizing gas temperature as a power source
US-12163485-B2 · Dec 10, 2024 · US
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 | F02G5/04 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 217 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 28 |
| 2016 | 24 |
| 2017 | 29 |
| 2018 | 28 |
| 2019 | 26 |
| 2020 | 27 |
| 2021 | 10 |
| 2022 | 16 |
| 2023 | 14 |
| 2024 | 8 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Unit for conversion of thermal energy
US-9831410-B2 · Nov 28, 2017 · US
Engine cooling system
US-9745887-B2 · Aug 29, 2017 · US
Cooling device for internal combustion engine
US-2017226918-A1 · Aug 10, 2017 · US
Thermoelectric power generating device
US-9716216-B2 · Jul 25, 2017 · US
Enhanced waste heat recovery system
US-2017138195-A1 · May 18, 2017 · US
System of recycling exhaust heat from internal combustion engine
US-9551240-B2 · Jan 24, 2017 · US
System and method for recovering waste heat
US-9541027-B2 · Jan 10, 2017 · US
Rankine cycle
US-9523290-B2 · Dec 20, 2016 · US
System and method for determining the net output torque from a waste heat recovery system
US-9518497-B2 · Dec 13, 2016 · US
Motor assembly
US-9500160-B2 · Nov 22, 2016 · US
Motor vehicle heat transfer system
US-2016332506-A1 · Nov 17, 2016 · US
Cogeneration system
US-9476620-B2 · Oct 25, 2016 · US
Vehicle with stirling engine integrated into engine exhaust system
US-9476340-B2 · Oct 25, 2016 · US
Heat energy recovery system
US-2016298497-A1 · Oct 13, 2016 · US
Waste heat utilization device for internal combustion engine
US-9441576-B2 · Sep 13, 2016 · US
Waste heat utilization apparatus
US-9441503-B2 · Sep 13, 2016 · US
Engine cooling system
US-2016230641-A1 · Aug 11, 2016 · US
Exhaust heat recovery apparatus of engine
US-2016230700-A1 · Aug 11, 2016 · US
Trigeneration energy supply system
US-2016223208-A1 · Aug 4, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02G5/04?
- CPC F02G5/04 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F02G5/04 (Mechanical Engineering)?
- Our database includes 217 publications tagged with this CPC code.
- Is patent activity under CPC F02G5/04 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).