Hydraulic drive device
US-2026022712-A1 · Jan 22, 2026 · US
with variable regeneration flow
with variable regeneration flow · 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 | F15B2011/0246 |
| Official title | {with variable regeneration flow} |
| Display label | with variable regeneration flow |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic drive device
US-2026022718-A1 · Jan 22, 2026 · US
Forklift truck mounted on a carrier vehicle
US-12522488-B2 · Jan 13, 2026 · US
Hydraulic drive system
US-12352293-B2 · Jul 8, 2025 · US
Hydraulic actuator
US-2025187724-A1 · Jun 12, 2025 · US
Hydraulic drive system
US-2025116280-A1 · Apr 10, 2025 · US
Work machine control system, work machine, and work machine control method
US-12173477-B2 · Dec 24, 2024 · US
Regeneration device, hydraulic drive system equipped with same, and control device therefor
US-11815109-B2 · Nov 14, 2023 · US
Hydraulic control device for work machine
US-11713559-B2 · Aug 1, 2023 · US
Hydraulic drive system
US-2023235755-A1 · Jul 27, 2023 · US
Hydraulic control circuit for a construction machine
US-11566640-B2 · Jan 31, 2023 · US
Work machine control system, work machine, and work machine control method
US-2023022248-A1 · Jan 26, 2023 · US
Regeneration device, hydraulic drive system equipped with same, and control device therefor
US-2022373004-A1 · Nov 24, 2022 · US
Hydraulic control device for work machine
US-2022356675-A1 · Nov 10, 2022 · US
Hydraulic damper with valve block
US-11408444-B2 · Aug 9, 2022 · US
Forklift truck mounted on a carrier vehicle
US-2022242710-A1 · Aug 4, 2022 · US
Hydraulic Control Circuit for a Construction Machine
US-2022049463-A1 · Feb 17, 2022 · US
Fluid circuit of air cylinder
US-11118606-B2 · Sep 14, 2021 · US
Fluid circuit of air cylinder
US-2021131454-A1 · May 6, 2021 · US
Hydraulic damper with valve block
US-2020378408-A1 · Dec 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B2011/0246?
- CPC F15B2011/0246 is the Cooperative Patent Classification code for “with variable regeneration flow.”
- How many patents are filed under CPC F15B2011/0246 (with variable regeneration flow)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC F15B2011/0246 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).