Method for determining control model parameters of a control model of an axial piston pump
US-12510069-B2 · Dec 30, 2025 · US
by varying the relative positions of a swash plate and a cylinder block
by varying the relative positions of a swash plate and a cylinder block · 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 | F04B1/29 |
| Official title | by varying the relative positions of a swash plate and a cylinder block |
| Display label | by varying the relative positions of a swash plate and a cylinder block |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 1 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Variable split displacement ratio axial piston machines
US-12372076-B2 · Jul 29, 2025 · US
Rotary swash plate hydraulic pump
US-2025207570-A1 · Jun 26, 2025 · US
Variable displacement hydraulic pump system with over-temperature prevention
US-2025179999-A1 · Jun 5, 2025 · US
Variable displacement hydraulic pump system with over-temperature prevention
US-12247555-B2 · Mar 11, 2025 · US
Work machine
US-12173475-B2 · Dec 24, 2024 · US
Compliant closed cell universal joint
US-2024392763-A1 · Nov 28, 2024 · US
Method for Determining Control Model Parameters of a Control Model of an Axial Piston Pump
US-2024287971-A1 · Aug 29, 2024 · US
Variable Split Displacement Ratio Axial Piston Machines
US-2024068456-A1 · Feb 29, 2024 · US
Work Machine
US-2023323634-A1 · Oct 12, 2023 · US
Variable positive displacement pump actuator systems
US-2023105578-A1 · Apr 6, 2023 · US
On-demand dual variable displacement positive displacement pumping system
US-2022372967-A1 · Nov 24, 2022 · US
Pump system with over-temperature prevention
US-2022268272-A1 · Aug 25, 2022 · US
Manual displacement control arrangement for an axial piston pump
US-11268499-B2 · Mar 8, 2022 · US
Work machine and method of controlling work machine
US-11142889-B2 · Oct 12, 2021 · US
Hydraulic system
US-11002136-B2 · May 11, 2021 · US
Work machine and method of controlling work machine
US-2020307367-A1 · Oct 1, 2020 · US
Hydraulic pump-motor
US-10598146-B2 · Mar 24, 2020 · US
Hydraulic system
US-2020072052-A1 · Mar 5, 2020 · US
Manual displacement control arrangement for an axial piston pump
US-2020056580-A1 · Feb 20, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B1/29?
- CPC F04B1/29 is the Cooperative Patent Classification code for “by varying the relative positions of a swash plate and a cylinder block.”
- How many patents are filed under CPC F04B1/29 (by varying the relative positions of a swash plate and a cylinder block)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC F04B1/29 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).