Centering the housing parts of an axial piston machine
US-12480402-B2 · Nov 25, 2025 · US
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Bearings
Bearings · 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 | F04B1/2028 |
| Official title | Bearings |
| Display label | Bearings |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 3 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Integrated electro-hydraulic unit housing
US-12435711-B2 · Oct 7, 2025 · US
Straight axis variable displacement piston pump with feature to minimize piston side loading
US-12421944-B1 · Sep 23, 2025 · US
Integrated electro-hydraulic unit housing
US-2025084837-A1 · Mar 13, 2025 · US
Centering the Housing Parts of an Axial Piston Machine
US-2025043684-A1 · Feb 6, 2025 · US
Hydraulic machine with a threaded central pin for setting machine preload
US-2024410282-A1 · Dec 12, 2024 · US
Hydraulic pump
US-12152580-B2 · Nov 26, 2024 · US
Hydraulic pump
US-2023332594-A1 · Oct 19, 2023 · US
Rotary axial piston machine with hydrostatic pressing device seal arrangement
US-11591910-B2 · Feb 28, 2023 · US
Valve plate assembly
US-11555488-B2 · Jan 17, 2023 · US
Inline piston pump
US-2022018340-A1 · Jan 20, 2022 · US
Hydrostatic Axial Piston Machine of the Swash Plate Construction Type
US-2021254608-A1 · Aug 19, 2021 · US
Hydraulic axial piston machine
US-2021189878-A1 · Jun 24, 2021 · US
Valve plate assembly
US-2021190066-A1 · Jun 24, 2021 · US
Fluid pressure pump and fluid pressure system
US-10443584-B2 · Oct 15, 2019 · US
Hydrostatic axial piston machine of swash plate design with an adjustable swept volume, in particular hydrostatic axial piston pump
US-10408199-B2 · Sep 10, 2019 · US
Sliding member
US-10309457-B2 · Jun 4, 2019 · US
Hydrostatic Axial Piston Machine of Swash Plate Design with an Adjustable Swept Volume, in particular Hydrostatic Axial Piston Pump
US-2018058433-A1 · Mar 1, 2018 · US
Swash plate pump having control pins in series
US-9726158-B2 · Aug 8, 2017 · US
Fluid pressure pump and fluid pressure system
US-2017175721-A1 · Jun 22, 2017 · US