Three-way valve for flow rate control and temperature control device
US-12546400-B2 · Feb 10, 2026 · US
with the housing or parts of the housing mechanically pressing the seals against the plugs
with the housing or parts of the housing mechanically pressing the seals against the plugs · 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 | F16K5/181 |
| Official title | {with the housing or parts of the housing mechanically pressing the seals against the plugs} |
| Display label | with the housing or parts of the housing mechanically pressing the seals against the plugs |
| Total patents | 60 |
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 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 11 |
| 2021 | 14 |
| 2022 | 7 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sealing high pressure flow devices
US-12535143-B2 · Jan 27, 2026 · US
Sealing high pressure flow devices
US-2025230877-A1 · Jul 17, 2025 · US
Sealing high pressure flow devices
US-2025172213-A1 · May 29, 2025 · US
Sealing high pressure flow devices
US-12270491-B2 · Apr 8, 2025 · US
Sealing high pressure flow devices
US-12209686-B2 · Jan 28, 2025 · US
Throttle valve
US-2024229942-A1 · Jul 11, 2024 · US
Sealing high pressure flow devices
US-2024125395-A1 · Apr 18, 2024 · US
Sealing high pressure flow devices
US-11859732-B2 · Jan 2, 2024 · US
Three-way valve for flow rate control and temperature control device
US-2023417331-A1 · Dec 28, 2023 · US
Sealing high pressure flow devices
US-2023279956-A1 · Sep 7, 2023 · US
Control valve
US-11703136-B2 · Jul 18, 2023 · US
Sealing high pressure flow devices
US-11649901-B2 · May 16, 2023 · US
Sealing high pressure flow devices
US-11649900-B2 · May 16, 2023 · US
Sealing high pressure flow devices
US-2023018160-A1 · Jan 19, 2023 · US
Sealing high pressure flow devices
US-2023021141-A1 · Jan 19, 2023 · US
Sealing device and method for assembling same
US-11536371-B2 · Dec 27, 2022 · US
Sealing high pressure flow devices
US-11536378-B2 · Dec 27, 2022 · US
Sealing high pressure flow devices
US-11486502-B2 · Nov 1, 2022 · US
Control valve
US-2022298957-A1 · Sep 22, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K5/181?
- CPC F16K5/181 is the Cooperative Patent Classification code for “with the housing or parts of the housing mechanically pressing the seals against the plugs.”
- How many patents are filed under CPC F16K5/181 (with the housing or parts of the housing mechanically pressing the seals against the plugs)?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC F16K5/181 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).