Lubrication system for a pin joint of an engine piston, an engine piston, and a method of lubricating a pin joint of an engine piston
US-12385447-B2 · Aug 12, 2025 · US
for lubricating gudgeon pins · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F01M2001/086 |
| Official title | {for lubricating gudgeon pins} |
| Display label | for lubricating gudgeon pins |
| Total patents | 35 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 8 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12385447-B2 · Aug 12, 2025 · US
US-2024271586-A1 · Aug 15, 2024 · US
US-12007024-B2 · Jun 11, 2024 · US
US-11852056-B2 · Dec 26, 2023 · US
US-11359525-B2 · Jun 14, 2022 · US
US-11300019-B2 · Apr 12, 2022 · US
US-11255234-B2 · Feb 22, 2022 · US
US-11220938-B2 · Jan 11, 2022 · US
US-2021246815-A1 · Aug 12, 2021 · US
US-10975736-B2 · Apr 13, 2021 · US
US-2021102511-A1 · Apr 8, 2021 · US
US-2021079818-A1 · Mar 18, 2021 · US
US-2021003049-A1 · Jan 7, 2021 · US
US-10731540-B2 · Aug 4, 2020 · US
US-2019353057-A1 · Nov 21, 2019 · US
US-2019301606-A1 · Oct 3, 2019 · US
US-10378398-B2 · Aug 13, 2019 · US
US-2019195096-A1 · Jun 27, 2019 · US
US-2019186312-A1 · Jun 20, 2019 · US
US-2019186309-A1 · Jun 20, 2019 · US
Answers are generated from the same data shown on this page.