Pilot operated blow-off valves for hydraulic actuators
US-2026078778-A1 · Mar 19, 2026 · US
using cross-pressure relief valves · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F15B2211/50527 |
| Official title | using cross-pressure relief valves |
| Display label | using cross-pressure relief valves |
| Total patents | 58 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 5 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026078778-A1 · Mar 19, 2026 · US
US-2026028797-A1 · Jan 29, 2026 · US
US-12320437-B2 · Jun 3, 2025 · US
US-12320368-B2 · Jun 3, 2025 · US
US-12313104-B2 · May 27, 2025 · US
US-2025052036-A1 · Feb 13, 2025 · US
US-2025012299-A1 · Jan 9, 2025 · US
US-12117024-B2 · Oct 15, 2024 · US
US-12055167-B2 · Aug 6, 2024 · US
US-2024159253-A1 · May 16, 2024 · US
US-2024141932-A1 · May 2, 2024 · US
US-2024110633-A1 · Apr 4, 2024 · US
US-11788560-B2 · Oct 17, 2023 · US
US-2023279877-A1 · Sep 7, 2023 · US
US-2022282741-A1 · Sep 8, 2022 · US
US-11421716-B2 · Aug 23, 2022 · US
US-2022252088-A1 · Aug 11, 2022 · US
US-2022136535-A1 · May 5, 2022 · US
US-2021388855-A1 · Dec 16, 2021 · US
US-11198987-B2 · Dec 14, 2021 · US
Answers are generated from the same data shown on this page.