Vent assembly for a sealed enclosure
US-12595862-B2 · Apr 7, 2026 · US
Equalising valves predominantly for tanks {(when combined with safety valve by change of position F16K17/36)}
Equalising valves predominantly for tanks {(when combined with safety valve by change of position F16K17/36)} · 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 | F16K17/19 |
| Official title | Equalising valves predominantly for tanks {(when combined with safety valve by change of position F16K17/36)} |
| Display label | Equalising valves predominantly for tanks {(when combined with safety valve by change of position F16K17/36)} |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vent assembly
US-12560253-B2 · Feb 24, 2026 · US
Valve Apparatus, In Particular for a Housing of an Electronic and/or Electrical Device, as well as a Method for Production Thereof
US-2025383027-A1 · Dec 18, 2025 · US
Valve Device and Pressure Balancing Assembly
US-2025354620-A1 · Nov 20, 2025 · US
Pressureless water tank for operation in an aircraft, aircraft section and aircraft having a water tank
US-12434906-B2 · Oct 7, 2025 · US
Vent assembly for a sealed enclosure
US-2025271071-A1 · Aug 28, 2025 · US
Emergency degassing valve apparatus
US-12379039-B2 · Aug 5, 2025 · US
Pressureless water tank for operation in an aircraft, aircraft section and aircraft having a water tank
US-2024076120-A1 · Mar 7, 2024 · US
Valve assembly, fluid management system and a vehicle
US-2023383857-A1 · Nov 30, 2023 · US
Emergency degassing valve apparatus
US-2023323973-A1 · Oct 12, 2023 · US
Vent assembly
US-2023235829-A1 · Jul 27, 2023 · US
Fluid expansion tank
US-11300198-B1 · Apr 12, 2022 · US
Two-way pressure relief valve for blood reservoir
US-2021381612-A1 · Dec 9, 2021 · US
Two-way pressure relief valve for blood reservoir
US-11191943-B1 · Dec 7, 2021 · US
Cap assembly integrated with check valves
US-10837566-B2 · Nov 17, 2020 · US
Fluid expansion tank
US-10690152-B1 · Jun 23, 2020 · US
Wind turbine having a liquid circuit and components therefore
US-10626853-B2 · Apr 21, 2020 · US
Fluid expansion tank
US-10557544-B1 · Feb 11, 2020 · US
Pressure transient normalization within a gas detector
US-10539542-B2 · Jan 21, 2020 · US
Passive nitrogen injecting device for nuclear reactor coolant pump
US-10249394-B2 · Apr 2, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K17/19?
- CPC F16K17/19 is the Cooperative Patent Classification code for “Equalising valves predominantly for tanks {(when combined with safety valve by change of position F16K17/36)}.”
- How many patents are filed under CPC F16K17/19 (Equalising valves predominantly for tanks {(when combined with safety valve by change of position F16K17/36)})?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC F16K17/19 growing?
- Publication counts under this code: 1 in 2024 vs 5 in 2025 (latest complete years).