Hydraulic system and passenger restraint system
US-2026042412-A1 · Feb 12, 2026 · US
Double valve requiring the use of both hands simultaneously · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F15B20/001 |
| Official title | {Double valve requiring the use of both hands simultaneously} |
| Display label | Double valve requiring the use of both hands simultaneously |
| Total patents | 14 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026042412-A1 · Feb 12, 2026 · US
US-12129878-B2 · Oct 29, 2024 · US
US-12085177-B2 · Sep 10, 2024 · US
US-11953109-B2 · Apr 9, 2024 · US
US-2023417262-A1 · Dec 28, 2023 · US
US-2023167914-A1 · Jun 1, 2023 · US
US-11543039-B2 · Jan 3, 2023 · US
US-2022252167-A1 · Aug 11, 2022 · US
US-2021285467-A1 · Sep 16, 2021 · US
US-10753375-B2 · Aug 25, 2020 · US
US-10480346-B2 · Nov 19, 2019 · US
US-2019032800-A1 · Jan 31, 2019 · US
US-2017152759-A1 · Jun 1, 2017 · US
US-8973610-B2 · Mar 10, 2015 · US