Hydraulic apparatus
US-10519990-B2 · Dec 31, 2019 · US
Systems essentially incorporating special features for controlling the speed or actuating force of an output member
Systems essentially incorporating special features for controlling the speed or actuating force of an output member · 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 | F15B11/02 |
| Official title | Systems essentially incorporating special features for controlling the speed or actuating force of an output member |
| Display label | Systems essentially incorporating special features for controlling the speed or actuating force of an output member |
| Total patents | 229 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 11 |
| 2017 | 16 |
| 2018 | 14 |
| 2019 | 31 |
| 2020 | 37 |
| 2021 | 24 |
| 2022 | 24 |
| 2023 | 15 |
| 2024 | 26 |
| 2025 | 15 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic drive control
US-2019345691-A1 · Nov 14, 2019 · US
Hydraulic excavator drive system
US-2019271333-A1 · Sep 5, 2019 · US
Hydraulic drive system of construction machine
US-2019257304-A1 · Aug 22, 2019 · US
Control system, work machine, and control method
US-10344781-B2 · Jul 9, 2019 · US
Hydraulic excavator drive system
US-10167611-B2 · Jan 1, 2019 · US
Fluid pressure control device for construction machine
US-10145391-B2 · Dec 4, 2018 · US
Fluid pressure control circuit and fluid pressure control device
US-2018283410-A1 · Oct 4, 2018 · US
Hydraulic fluid energy recovery apparatus for work machine
US-10066368-B2 · Sep 4, 2018 · US
Work machine hydraulic drive device
US-2018245312-A1 · Aug 30, 2018 · US
Control system, work machine, and control method
US-2018216637-A1 · Aug 2, 2018 · US
Hydraulic control system for construction machine
US-10030355-B2 · Jul 24, 2018 · US
Hydraulic apparatus
US-2018187396-A1 · Jul 5, 2018 · US
Valve device and fluid pressure control device
US-2018106277-A1 · Apr 19, 2018 · US
Switchable hydrostatic adjusting device
US-9932957-B2 · Apr 3, 2018 · US
Hydraulic Control System for Working Machine
US-2018073525-A1 · Mar 15, 2018 · US
Liquid-pressure drive system and construction machine including same
US-9915056-B2 · Mar 13, 2018 · US
Hydraulic circuit for construction machine
US-9903097-B2 · Feb 27, 2018 · US
Actuator control device and work vehicle
US-2018044143-A1 · Feb 15, 2018 · US
Hydraulic control system
US-2018002898-A1 · Jan 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B11/02?
- CPC F15B11/02 is the Cooperative Patent Classification code for “Systems essentially incorporating special features for controlling the speed or actuating force of an output member.”
- How many patents are filed under CPC F15B11/02 (Systems essentially incorporating special features for controlling the speed or actuating force of an output member)?
- Our database includes 229 publications tagged with this CPC code.
- Is patent activity under CPC F15B11/02 growing?
- Publication counts under this code: 26 in 2024 vs 15 in 2025 (latest complete years).