Hydraulic circuit for construction machine
US-10161109-B2 · Dec 25, 2018 · US
Servomotor systems without provision for follow-up action; {Circuits therefor}(F15B3/00 takes precedence)
Servomotor systems without provision for follow-up action; {Circuits therefor}(F15B3/00 takes precedence) · 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 | F15B11/00 |
| Official title | Servomotor systems without provision for follow-up action; {Circuits therefor}(F15B3/00 takes precedence) |
| Display label | Servomotor systems without provision for follow-up action; {Circuits therefor}(F15B3/00 takes precedence) |
| Total patents | 162 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 12 |
| 2017 | 16 |
| 2018 | 17 |
| 2019 | 29 |
| 2020 | 29 |
| 2021 | 14 |
| 2022 | 13 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 6 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic pressure control device and braking system
US-2018304875-A1 · Oct 25, 2018 · US
Valve device
US-2018298922-A1 · Oct 18, 2018 · US
Working machine control system
US-10072396-B2 · Sep 11, 2018 · US
Method for forming hydraulic actuator hydraulic oil passage
US-2018231030-A1 · Aug 16, 2018 · US
Hydraulic apparatus
US-2018187396-A1 · Jul 5, 2018 · US
Dual-function seat actuator
US-10011197-B2 · Jul 3, 2018 · US
Method and device for controlling a torque of an electric motor of an electro-hydraulic system
US-9976549-B2 · May 22, 2018 · US
Construction Machine
US-2018106018-A1 · Apr 19, 2018 · US
Suction strainer
US-2018104628-A1 · Apr 19, 2018 · US
Automatic transmission control valve body structure
US-9945496-B2 · Apr 17, 2018 · US
Cylinder device
US-9945441-B2 · Apr 17, 2018 · US
Fluid pressure control device
US-2018094405-A1 · Apr 5, 2018 · US
Hydraulic drive system of construction machine
US-2018058040-A1 · Mar 1, 2018 · US
Hydraulic circuit for construction machine
US-9903097-B2 · Feb 27, 2018 · US
Hydraulic system and a method for controlling a hydraulic system
US-9863449-B2 · Jan 9, 2018 · US
Hybrid Construction Machine
US-2017356163-A1 · Dec 14, 2017 · US
Intermittent air discharge apparatus
US-2017343020-A1 · Nov 30, 2017 · US
Dual-function seat actuator
US-2017305555-A1 · Oct 26, 2017 · US
Hydraulic control system for work machine
US-2017268540-A1 · Sep 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B11/00?
- CPC F15B11/00 is the Cooperative Patent Classification code for “Servomotor systems without provision for follow-up action; {Circuits therefor}(F15B3/00 takes precedence).”
- How many patents are filed under CPC F15B11/00 (Servomotor systems without provision for follow-up action; {Circuits therefor}(F15B3/00 takes precedence))?
- Our database includes 162 publications tagged with this CPC code.
- Is patent activity under CPC F15B11/00 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).