Valve drive and method of cleaning a valve
US-12516740-B2 · Jan 6, 2026 · US
with additional cleaning or venting means between the two seats
with additional cleaning or venting means between the two seats · 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 | F16K1/446 |
| Official title | {with additional cleaning or venting means between the two seats} |
| Display label | with additional cleaning or venting means between the two seats |
| Total patents | 36 |
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 | 4 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Actuator arrangement and a method for moving a valve member into a cleaning position
US-12510165-B2 · Dec 30, 2025 · US
ALD apparatus, method and valve
US-12460297-B2 · Nov 4, 2025 · US
Valve arrangement, actuator arrangement and methods of detecting a first position therein
US-12455018-B2 · Oct 28, 2025 · US
Valve assembly and piston with double o-ring interface and relief passage
US-2025264160-A1 · Aug 21, 2025 · US
Valve for controlling fluid flow
US-12320431-B2 · Jun 3, 2025 · US
Actuator arrangement and a method for moving a valve member into a cleaning position
US-2025060040-A1 · Feb 20, 2025 · US
Flow control arrangment and method of cleaning such an arrangement
US-2024401704-A1 · Dec 5, 2024 · US
Valve drive and method of cleaning a valve
US-2024369142-A1 · Nov 7, 2024 · US
Valve arrangement, actuator arrangment and methods of detecting a first position therein
US-2024209957-A1 · Jun 27, 2024 · US
Valve for controlling fluid flow
US-2024117884-A1 · Apr 11, 2024 · US
Valve assembly
US-11867296-B2 · Jan 9, 2024 · US
Pipe cleaning assembly and method of cleaning a piping system using the same
US-11850636-B2 · Dec 26, 2023 · US
Ald apparatus, method and valve
US-2023383404-A1 · Nov 30, 2023 · US
ALD apparatus, method and valve
US-11761082-B2 · Sep 19, 2023 · US
Valve Assembly
US-2022397200-A1 · Dec 15, 2022 · US
Pipe cleaning assembly and method of cleaning a piping system using the same
US-2022176419-A1 · Jun 9, 2022 · US
Setup of valve controller
US-11041578-B2 · Jun 22, 2021 · US
Valve controller and method for monitoring flow control valve
US-10866581-B2 · Dec 15, 2020 · US
Steam valve
US-10781712-B2 · Sep 22, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K1/446?
- CPC F16K1/446 is the Cooperative Patent Classification code for “with additional cleaning or venting means between the two seats.”
- How many patents are filed under CPC F16K1/446 (with additional cleaning or venting means between the two seats)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC F16K1/446 growing?
- Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).