Actuation system for a motor
US-12516662-B2 · Jan 6, 2026 · US
Valve means, e.g. valve plate
Valve means, e.g. valve plate · 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 | F01B3/0055 |
| Official title | {Valve means, e.g. valve plate} |
| Display label | Valve means, e.g. valve plate |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 3 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Axial piston variable displacement hydraulic devices, such as hydraulic motors, and methods of operating same
US-12320412-B2 · Jun 3, 2025 · US
Actuation system for a motor
US-2024318642-A1 · Sep 26, 2024 · US
Valve plate, cylinder block, and hydraulic motor
US-11994098-B2 · May 28, 2024 · US
Axial piston variable displacement hydraulic devices, such as hydraulic motors, and methods of operating same
US-2024077135-A1 · Mar 7, 2024 · US
System for a bent axis motor
US-11898582-B1 · Feb 13, 2024 · US
Support system for a displacement adjustment plate of an axial piston machine
US-11767833-B2 · Sep 26, 2023 · US
Valve plate, cylinder block, and hydraulic motor
US-2023279833-A1 · Sep 7, 2023 · US
Hydrostatic axial piston machine
US-11619203-B2 · Apr 4, 2023 · US
Valve plate assembly
US-11555488-B2 · Jan 17, 2023 · US
Support system for a displacement adjustment plate of an axial piston machine
US-2022325704-A1 · Oct 13, 2022 · US
Hydrostatic Axial Piston Machine
US-2022106945-A1 · Apr 7, 2022 · US
Valve plate assembly
US-2021190066-A1 · Jun 24, 2021 · US
Hydraulic machine
US-11035351-B2 · Jun 15, 2021 · US
Hydrostatic piston engine
US-11008862-B2 · May 18, 2021 · US
Bent-axis axial-piston hydraulic machine
US-2021108623-A1 · Apr 15, 2021 · US
Hydraulic machine
US-2019234388-A1 · Aug 1, 2019 · US
Hydrostatic Piston Engine
US-2019178226-A1 · Jun 13, 2019 · US
Swash-plate hydraulic motor or swash-plate hydraulic pump
US-10240459-B2 · Mar 26, 2019 · US
Hydraulic pump
US-2018335024-A1 · Nov 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01B3/0055?
- CPC F01B3/0055 is the Cooperative Patent Classification code for “Valve means, e.g. valve plate.”
- How many patents are filed under CPC F01B3/0055 (Valve means, e.g. valve plate)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC F01B3/0055 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).