Hydraulic knockout device
US-10864573-B2 · Dec 15, 2020 · US
controlling several interacting or sequentially-operating members
controlling several interacting or sequentially-operating members · 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 | F15B11/20 |
| Official title | controlling several interacting or sequentially-operating members |
| Display label | controlling several interacting or sequentially-operating members |
| Total patents | 138 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 12 |
| 2018 | 17 |
| 2019 | 21 |
| 2020 | 31 |
| 2021 | 19 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 5 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Industrial apparatus comprising a pneumatic control valve
US-2020284272-A1 · Sep 10, 2020 · US
Piston assembly for rephasing a fluid-driven actuator
US-10746202-B2 · Aug 18, 2020 · US
Connecting rod for an internal combustion engine with variable compression
US-10655535-B2 · May 19, 2020 · US
Transportation vehicle
US-10501000-B2 · Dec 10, 2019 · US
Intelligent boom control with rapid system cycling
US-10480541-B2 · Nov 19, 2019 · US
Hydraulic excavator drive system
US-2019316611-A1 · Oct 17, 2019 · US
Method for operating a pneumatic actuating system of a transmission and control device for carrying out the method
US-2019309842-A1 · Oct 10, 2019 · US
Hydraulic pressure supply system
US-10408236-B2 · Sep 10, 2019 · US
Hydraulic elevating platform having no guide rails and elevating method
US-10399822-B2 · Sep 3, 2019 · US
Hydraulic valve assembly with forced circuit
US-2019249692-A1 · Aug 15, 2019 · US
Hydraulic system for an automatic transmission of a motor vehicle
US-2019234514-A1 · Aug 1, 2019 · US
Method and apparatus for actuating downhole tools
US-10287852-B2 · May 14, 2019 · US
Hydraulic valve and connection rod with the hydraulic valve
US-10287973-B2 · May 14, 2019 · US
Working machine
US-2019119884-A1 · Apr 25, 2019 · US
Construction machinery
US-10221871-B2 · Mar 5, 2019 · US
Hydraulic Pressure Variation in a Legged Robot
US-2019063468-A1 · Feb 28, 2019 · US
Electric hydraulic actuation system for a safety critical application
US-2019061918-A1 · Feb 28, 2019 · US
Soft robots, soft actuators, and methods for making the same
US-2019032684-A1 · Jan 31, 2019 · US
Transportation Vehicle
US-2019009702-A1 · Jan 10, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B11/20?
- CPC F15B11/20 is the Cooperative Patent Classification code for “controlling several interacting or sequentially-operating members.”
- How many patents are filed under CPC F15B11/20 (controlling several interacting or sequentially-operating members)?
- Our database includes 138 publications tagged with this CPC code.
- Is patent activity under CPC F15B11/20 growing?
- Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).