Wheel valve assembly for tire inflation/deflation system
US-12522029-B2 · Jan 13, 2026 · US
the closure elements being shaped as solids of revolution, e.g. toroidal or cylindrical rings
the closure elements being shaped as solids of revolution, e.g. toroidal or cylindrical rings · 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 | F16K15/142 |
| Official title | {the closure elements being shaped as solids of revolution, e.g. toroidal or cylindrical rings} |
| Display label | the closure elements being shaped as solids of revolution, e.g. toroidal or cylindrical rings |
| Total patents | 48 |
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 | 5 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Solenoid operated pressure cartridge for inflation system
US-12297926-B2 · May 13, 2025 · US
Fluid control valve and valve timing changing device
US-12134976-B2 · Nov 5, 2024 · US
Check valve with secondary backflow seal
US-11976737-B2 · May 7, 2024 · US
Solenoid operated pressure cartridge for inflation system
US-2023375104-A1 · Nov 23, 2023 · US
Fluid control valve and valve timing changing device
US-2023279791-A1 · Sep 7, 2023 · US
Wheel valve assembly for tire inflation/deflation system
US-2023173854-A1 · Jun 8, 2023 · US
Valve device
US-11401841-B2 · Aug 2, 2022 · US
Check valve with secondary backflow seal
US-2022163135-A1 · May 26, 2022 · US
Check valve with secondary backflow seal
US-11248719-B2 · Feb 15, 2022 · US
Valve assembly, brake system and method for operating a valve assembly
US-11161490-B2 · Nov 2, 2021 · US
Check valve with secondary backflow seal
US-2021310579-A1 · Oct 7, 2021 · US
Stacked layer-type member with integrated functional component
US-11035833-B2 · Jun 15, 2021 · US
Connector for transferring fluid and method of use
US-10940306-B2 · Mar 9, 2021 · US
Internal combustion engine with compressor, exhaust-gas recirculation arrangement and pivotable flap
US-10934945-B2 · Mar 2, 2021 · US
Valve device
US-2020408115-A1 · Dec 31, 2020 · US
Connector for transferring fluid
US-10842984-B2 · Nov 24, 2020 · US
Hydraulic module for controlling a hydraulic fluid flow of a connecting rod for an internal combustion engine with variable compression and a connecting rod
US-10746199-B2 · Aug 18, 2020 · US
Compressor
US-10662936-B2 · May 26, 2020 · US
Connector for transferring fluid and method of use
US-2020078580-A1 · Mar 12, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K15/142?
- CPC F16K15/142 is the Cooperative Patent Classification code for “the closure elements being shaped as solids of revolution, e.g. toroidal or cylindrical rings.”
- How many patents are filed under CPC F16K15/142 (the closure elements being shaped as solids of revolution, e.g. toroidal or cylindrical rings)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC F16K15/142 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).