Pneumatics system with advanced system diagnostics capabilities
US-2021396250-A1 · Dec 23, 2021 · US
Testing of fluid pressure systems
Testing of fluid pressure systems · 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 | F15B2211/855 |
| Official title | Testing of fluid pressure systems |
| Display label | Testing of fluid pressure systems |
| Total patents | 90 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 8 |
| 2018 | 12 |
| 2019 | 17 |
| 2020 | 9 |
| 2021 | 11 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 8 |
| 2025 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Construction machine
US-11199205-B2 · Dec 14, 2021 · US
Gas network and method for the simultaneous detection of leaks and obstructions in a gas network under pressure or vacuum
US-2021381654-A1 · Dec 9, 2021 · US
Accumulator pre-charge monitoring using position sensor
US-2021332836-A1 · Oct 28, 2021 · US
Systems and methods for protecting a turbomachine
US-11125105-B2 · Sep 21, 2021 · US
Methods and apparatus to diagnose a pneumatic actuator-regulating accessory
US-11060415-B2 · Jul 13, 2021 · US
Method to automatically detect parameter for pressure dynamics control
US-11002297-B2 · May 11, 2021 · US
Construction machine
US-2021071392-A1 · Mar 11, 2021 · US
System and method for detecting a connector failure in an agricultural apparatus
US-10920805-B2 · Feb 16, 2021 · US
Hydraulic system
US-10920804-B2 · Feb 16, 2021 · US
Offshore crane heave compensation control system and method using visual ranging
US-10843904-B2 · Nov 24, 2020 · US
Method to automatically detect parameter for pressure dynamics control
US-2020291970-A1 · Sep 17, 2020 · US
Failure detection device
US-2020291971-A1 · Sep 17, 2020 · US
Systems and methods for protecting a turbomachine
US-2020256207-A1 · Aug 13, 2020 · US
Automatic tuning of valve for remote controlled demolition robot
US-10738442-B2 · Aug 11, 2020 · US
Systems and methods for protecting a turbomachine
US-10648358-B2 · May 12, 2020 · US
Method to automatically detect parameter for pressure dynamics control
US-10605277-B2 · Mar 31, 2020 · US
Apparatus
US-2020080551-A1 · Mar 12, 2020 · US
Methods and apparatus to enable boom bounce reduction and prevent un-commanded motion in hydraulic systems
US-2020003239-A1 · Jan 2, 2020 · US
Method to automatically detect the area ratio of an actuator
US-10487860-B2 · Nov 26, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B2211/855?
- CPC F15B2211/855 is the Cooperative Patent Classification code for “Testing of fluid pressure systems.”
- How many patents are filed under CPC F15B2211/855 (Testing of fluid pressure systems)?
- Our database includes 90 publications tagged with this CPC code.
- Is patent activity under CPC F15B2211/855 growing?
- Publication counts under this code: 8 in 2024 vs 10 in 2025 (latest complete years).