Hydrostatic shoe with face seal
US-12492637-B2 · Dec 9, 2025 · US
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Component parts, details, e.g. valves, sealings, lubrication
Component parts, details, e.g. valves, sealings, lubrication · 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 | F01B3/0044 |
| Official title | {Component parts, details, e.g. valves, sealings, lubrication} |
| Display label | Component parts, details, e.g. valves, sealings, lubrication |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydrostatic shoe with face seal
US-2025243758-A1 · Jul 31, 2025 · US
Hydraulic machine with a threaded central pin for setting machine preload
US-2024410282-A1 · Dec 12, 2024 · US
Axial piston machine having integral counting perforation
US-11353010-B2 · Jun 7, 2022 · US
Axial Piston Machine having Integral Counting Perforation
US-2020272879-A1 · Aug 27, 2020 · US
Hydrostatic Piston Engine
US-2019178226-A1 · Jun 13, 2019 · US
Positive displacement machines and methods of increasing load-carrying capacities thereof
US-10247177-B2 · Apr 2, 2019 · US
Adaptation of a hydraulic motor
US-9879532-B2 · Jan 30, 2018 · US
Positive displacement machines and methods of increasing load-carrying capacities thereof
US-2017016431-A1 · Jan 19, 2017 · US
Axial piston machine having an insert ring and an insert ring for an axial piston machine
US-9447686-B2 · Sep 20, 2016 · US
Adaptation of a hydraulic motor
US-2015354355-A1 · Dec 10, 2015 · US