Methods and apparatus for quantifying pneumatic volume usage via valve controllers
US-12298171-B2 · May 13, 2025 · US
characterised by variation of the pressure in a nozzle or the like, e.g. nozzle-flapper system
characterised by variation of the pressure in a nozzle or the like, e.g. nozzle-flapper system · 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 | F15B5/003 |
| Official title | {characterised by variation of the pressure in a nozzle or the like, e.g. nozzle-flapper system} |
| Display label | characterised by variation of the pressure in a nozzle or the like, e.g. nozzle-flapper system |
| Total patents | 41 |
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 | 2 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Control System with Dynamic Reference Pressure
US-2025085727-A1 · Mar 13, 2025 · US
Positioning valve control system
US-12092236-B2 · Sep 17, 2024 · US
Servo valve flapper and nozzle structure
US-12038025-B2 · Jul 16, 2024 · US
Servo valve flapper and nozzle structure
US-2023400042-A1 · Dec 14, 2023 · US
Positioning valve control system
US-2023323976-A1 · Oct 12, 2023 · US
Servo valve flapper and nozzle structure
US-11739769-B2 · Aug 29, 2023 · US
Reduced mixing pressure exchanger
US-2023020630-A1 · Jan 19, 2023 · US
Servo valve flapper and nozzle structure
US-2022196040-A1 · Jun 23, 2022 · US
Servo valve assembly
US-11359731-B2 · Jun 14, 2022 · US
Servovalves
US-11306747-B2 · Apr 19, 2022 · US
Servo valves
US-11209026-B2 · Dec 28, 2021 · US
Hydraulic stage
US-11193510-B2 · Dec 7, 2021 · US
Methods and apparatus for quantifying pneumatic volume usage via valve controllers
US-2021341327-A1 · Nov 4, 2021 · US
Electro-pneumatic converter, use of an electro-pneumatic converter, positioner, and control unit
US-10989229-B2 · Apr 27, 2021 · US
Servo valve assembly
US-2021108735-A1 · Apr 15, 2021 · US
Servo valves
US-2020309164-A1 · Oct 1, 2020 · US
Pneumatic valve arrangement
US-10767665-B2 · Sep 8, 2020 · US
Electro-Pneumatic Converter, Use of an Electro-Pneumatic Converter, Positioner, and Control Unit
US-2020096010-A1 · Mar 26, 2020 · US
Servovalves
US-2020096016-A1 · Mar 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B5/003?
- CPC F15B5/003 is the Cooperative Patent Classification code for “characterised by variation of the pressure in a nozzle or the like, e.g. nozzle-flapper system.”
- How many patents are filed under CPC F15B5/003 (characterised by variation of the pressure in a nozzle or the like, e.g. nozzle-flapper system)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC F15B5/003 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).