Lubrication system with a reserve tank
US-12442446-B2 · Oct 14, 2025 · US
characterised by the layout of the purification arrangements · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F01M2001/105 |
| Official title | {characterised by the layout of the purification arrangements} |
| Display label | characterised by the layout of the purification arrangements |
| Total patents | 32 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12442446-B2 · Oct 14, 2025 · US
US-2025091677-A1 · Mar 20, 2025 · US
US-12084996-B2 · Sep 10, 2024 · US
US-2024229689-A1 · Jul 11, 2024 · US
US-11939892-B2 · Mar 26, 2024 · US
US-2023407774-A1 · Dec 21, 2023 · US
US-2023294025-A1 · Sep 21, 2023 · US
US-11691097-B2 · Jul 4, 2023 · US
US-11655731-B2 · May 23, 2023 · US
US-11517836-B2 · Dec 6, 2022 · US
US-11492934-B1 · Nov 8, 2022 · US
US-11466600-B1 · Oct 11, 2022 · US
US-11452953-B2 · Sep 27, 2022 · US
US-2022298936-A1 · Sep 22, 2022 · US
US-2022168675-A1 · Jun 2, 2022 · US
US-11311822-B2 · Apr 26, 2022 · US
US-2022107018-A1 · Apr 7, 2022 · US
US-2021254506-A1 · Aug 19, 2021 · US
US-2021220757-A1 · Jul 22, 2021 · US
US-2021189923-A1 · Jun 24, 2021 · US
Answers are generated from the same data shown on this page.