Clearance control system for a compressor shroud assembly
US-2020408224-A1 · Dec 31, 2020 · US
Pneumatic actuators
Pneumatic actuators · 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 | F05D2270/65 |
| Official title | Pneumatic actuators |
| Display label | Pneumatic actuators |
| Total patents | 118 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 9 |
| 2018 | 8 |
| 2019 | 15 |
| 2020 | 19 |
| 2021 | 11 |
| 2022 | 7 |
| 2023 | 15 |
| 2024 | 5 |
| 2025 | 14 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bleed valve
US-2020370560-A1 · Nov 26, 2020 · US
Variable bleed valve door assembly and system for gas turbine engines
US-10830179-B2 · Nov 10, 2020 · US
Gas turbine rapid response clearance control system with annular piston
US-10815813-B2 · Oct 27, 2020 · US
Starter air valve systems configured for low speed motoring
US-10781713-B2 · Sep 22, 2020 · US
Heat exchanger flow control assembly
US-10760493-B2 · Sep 1, 2020 · US
Passive stability bleed valve with adjustable reference pressure regulator and remote override capability
US-2020182161-A1 · Jun 11, 2020 · US
Actuator control
US-10662801-B2 · May 26, 2020 · US
Methods and apparatus to control the actuation of regulators including a loading chamber
US-10634003-B2 · Apr 28, 2020 · US
Methods and apparatus to adjust bleed ports on an aircraft engine
US-10626801-B2 · Apr 21, 2020 · US
Ducted gas turbine engine stability bleed valve with passive and active shutoff
US-10626802-B2 · Apr 21, 2020 · US
Ducted gas turbine engine stability bleed valve with passive and active shutoff
US-2020095944-A1 · Mar 26, 2020 · US
Gas turbine alignment systems and methods
US-10590804-B2 · Mar 17, 2020 · US
Accessible rapid response clearance control system
US-10557367-B2 · Feb 11, 2020 · US
Passive bleed valves with adjustable pressure threshold
US-2020040901-A1 · Feb 6, 2020 · US
Passively controlled inline bleed valves
US-2020040902-A1 · Feb 6, 2020 · US
System and method for actuating gas turbine engine components using integrated jamming devices
US-10502086-B2 · Dec 10, 2019 · US
Vortex Pump
US-2019316590-A1 · Oct 17, 2019 · US
Pneumatic controller for controlling a bleed valve
US-2019309647-A1 · Oct 10, 2019 · US
Pivot door thrust reverser with variable area nozzle
US-10400621-B2 · Sep 3, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F05D2270/65?
- CPC F05D2270/65 is the Cooperative Patent Classification code for “Pneumatic actuators.”
- How many patents are filed under CPC F05D2270/65 (Pneumatic actuators)?
- Our database includes 118 publications tagged with this CPC code.
- Is patent activity under CPC F05D2270/65 growing?
- Publication counts under this code: 5 in 2024 vs 14 in 2025 (latest complete years).