Combination of piston rings, and combination structure of piston and piston rings
US-12117084-B2 · Oct 15, 2024 · US
One-piece pistons · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16J1/001 |
| Official title | {One-piece pistons} |
| Display label | One-piece pistons |
| Total patents | 47 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 10 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12117084-B2 · Oct 15, 2024 · US
US-12000491-B2 · Jun 4, 2024 · US
US-11946435-B2 · Apr 2, 2024 · US
US-2023358313-A1 · Nov 9, 2023 · US
US-2023272854-A1 · Aug 31, 2023 · US
US-2022260034-A1 · Aug 18, 2022 · US
US-11313318-B2 · Apr 26, 2022 · US
US-11313466-B2 · Apr 26, 2022 · US
US-11236826-B2 · Feb 1, 2022 · US
US-11112009-B2 · Sep 7, 2021 · US
US-11028923-B2 · Jun 8, 2021 · US
US-2021116024-A1 · Apr 22, 2021 · US
US-2021062916-A1 · Mar 4, 2021 · US
US-10927786-B1 · Feb 23, 2021 · US
US-2020325988-A1 · Oct 15, 2020 · US
US-2020271071-A1 · Aug 27, 2020 · US
US-2020256413-A1 · Aug 13, 2020 · US
US-10669969-B2 · Jun 2, 2020 · US
US-10641296-B2 · May 5, 2020 · US
US-2019331222-A1 · Oct 31, 2019 · US
Answers are generated from the same data shown on this page.