Gas supply pump for ship dual fuel engine
US-12540591-B2 · Feb 3, 2026 · US
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Arrangements for disconnecting the pistons from the actuated cam
Arrangements for disconnecting the pistons from the actuated cam · 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 | F04B1/0435 |
| Official title | Arrangements for disconnecting the pistons from the actuated cam |
| Display label | Arrangements for disconnecting the pistons from the actuated cam |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 2 |
| 2023 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas supply pump for ship dual fuel engine
US-2025172132-A1 · May 29, 2025 · US
Gas supply pump for ship dual fuel engine
US-12247564-B2 · Mar 11, 2025 · US
Gas supply pump for ship dual fuel engine
US-2023220838-A1 · Jul 13, 2023 · US
High-pressure fuel pump and pressure control device
US-10294905-B2 · May 21, 2019 · US
Mechanical fuel pump deactivation
US-10273945-B2 · Apr 30, 2019 · US
Cam follower roller device
US-10072533-B2 · Sep 11, 2018 · US
Cam follower roller device
US-2017175591-A1 · Jun 22, 2017 · US
High-Pressure Fuel Pump and Pressure Control Device
US-2017159628-A1 · Jun 8, 2017 · US
Radial piston machine and piston for a radial piston machine of this type
US-9556866-B2 · Jan 31, 2017 · US
Tappet
US-9410518-B2 · Aug 9, 2016 · US
Mechanical fuel pump deactivation
US-2016032878-A1 · Feb 4, 2016 · US
Plunger
US-2015361937-A1 · Dec 17, 2015 · US
Tappet
US-2015152826-A1 · Jun 4, 2015 · US