System and method for control of compression in internal combustion engine via compression ratio and elastic piston
US-11428174-B2 · Aug 30, 2022 · US
by means of cylinder or cylinderhead positioning · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02B75/041 |
| Official title | {by means of cylinder or cylinderhead positioning} |
| Display label | by means of cylinder or cylinderhead positioning |
| Total patents | 43 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 2 |
| 2021 | 6 |
| 2022 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11428174-B2 · Aug 30, 2022 · US
US-2021254563-A1 · Aug 19, 2021 · US
US-11092090-B1 · Aug 17, 2021 · US
US-10975778-B2 · Apr 13, 2021 · US
US-10975763-B2 · Apr 13, 2021 · US
US-10914243-B2 · Feb 9, 2021 · US
US-2021010416-A1 · Jan 14, 2021 · US
US-10865707-B2 · Dec 15, 2020 · US
US-10837355-B2 · Nov 17, 2020 · US
US-2019316530-A1 · Oct 17, 2019 · US
US-10415493-B2 · Sep 17, 2019 · US
US-10378458-B2 · Aug 13, 2019 · US
US-2019203636-A1 · Jul 4, 2019 · US
US-2019203638-A1 · Jul 4, 2019 · US
US-2019120160-A1 · Apr 25, 2019 · US
US-2019120147-A1 · Apr 25, 2019 · US
US-10215108-B2 · Feb 26, 2019 · US
US-10208662-B2 · Feb 19, 2019 · US
US-2018298837-A1 · Oct 18, 2018 · US
US-2018245522-A1 · Aug 30, 2018 · US
Answers are generated from the same data shown on this page.