Engine’s efficiency by heat preservation, and engines employing this invent
US-2023340905-A1 · Oct 26, 2023 · US
Thermal insulation or heat protection
Thermal insulation or heat protection · 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 | F02M26/18 |
| Official title | Thermal insulation or heat protection |
| Display label | Thermal insulation or heat protection |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Engine exhaust gas recirculation system
US-11499509-B2 · Nov 15, 2022 · US
Mechanically attached thermal protection system
US-11370524-B2 · Jun 28, 2022 · US
Engine exhaust gas recirculation system
US-2022128019-A1 · Apr 28, 2022 · US
Cooling device for a flow sensor in an exhaust gas recirculation line
US-11313329-B2 · Apr 26, 2022 · US
EGR system
US-11306689-B2 · Apr 19, 2022 · US
Exhaust gas recirculation compressor inlet thermal separation system
US-11236768-B2 · Feb 1, 2022 · US
EGR system
US-11193456-B1 · Dec 7, 2021 · US
Egr system
US-2021372352-A1 · Dec 2, 2021 · US
Egr system
US-2021277850-A1 · Sep 9, 2021 · US
Engine intake system
US-11067042-B2 · Jul 20, 2021 · US
Cooling device for a flow sensor in an exhaust gas recirculation line
US-2021172404-A1 · Jun 10, 2021 · US
Engine intake system
US-2021033050-A1 · Feb 4, 2021 · US
Exhaust gas recirculation compressor inlet thermal separation system
US-2020400161-A1 · Dec 24, 2020 · US
Exhaust gas recirculation compressor inlet thermal separation system
US-10767659-B2 · Sep 8, 2020 · US
Intake apparatus
US-10690094-B2 · Jun 23, 2020 · US
Exhaust gas recirculation compressor inlet thermal separation system
US-2020191165-A1 · Jun 18, 2020 · US
Intake device for multi-cylinder engine
US-2020063641-A1 · Feb 27, 2020 · US
Engine system
US-2019113008-A1 · Apr 18, 2019 · US
Supercharged internal combustion engine
US-10253732-B2 · Apr 9, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02M26/18?
- CPC F02M26/18 is the Cooperative Patent Classification code for “Thermal insulation or heat protection.”
- How many patents are filed under CPC F02M26/18 (Thermal insulation or heat protection)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC F02M26/18 growing?
- Publication counts under this code: 6 in 2022 vs 1 in 2023 (latest complete years).