Valve and sealing structure thereof
US-2025347359-A1 · Nov 13, 2025 · US
for rotating valves
for rotating valves · 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 | F16K41/026 |
| Official title | {for rotating valves} |
| Display label | for rotating valves |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Control valves with adjustable valve packing
US-2025189058-A1 · Jun 12, 2025 · US
Stacked Valve Assembly
US-2025155034-A1 · May 15, 2025 · US
Butterfly valve assembly, in particular for a gas flow in a fuel cell system
US-2024052931-A1 · Feb 15, 2024 · US
Bonded seat valve
US-2023279953-A1 · Sep 7, 2023 · US
Bonded seat valve
US-11686394-B2 · Jun 27, 2023 · US
Valve body insert apparatus and related methods
US-11525516-B2 · Dec 13, 2022 · US
Valve assemblies, valve packing assemblies and related systems and methods
US-11434999-B2 · Sep 6, 2022 · US
Bonded seat valve
US-2022235867-A1 · Jul 28, 2022 · US
Valve
US-11378197-B2 · Jul 5, 2022 · US
Methods and apparatus to load a valve packing
US-11143314-B1 · Oct 12, 2021 · US
Methods and apparatus to load a valve packing
US-2021301931-A1 · Sep 30, 2021 · US
Valve
US-2021254740-A1 · Aug 19, 2021 · US
Gas meters having high pressure shut-off valves and related gas flow control systems
US-10982789-B2 · Apr 20, 2021 · US
Valve body insert apparatus and related methods
US-2021025498-A1 · Jan 28, 2021 · US
Throttle body or actuator, in particular for supplying high pressure gas, provided with vent
US-10900571-B2 · Jan 26, 2021 · US
High temperature leak prevention for piping components and connections
US-10865914-B2 · Dec 15, 2020 · US
Valve body insert apparatus and related methods
US-10844962-B2 · Nov 24, 2020 · US
Valve with active seal and shaft blowout prevention device
US-10844964-B2 · Nov 24, 2020 · US
Valve assemblies, valve packing assemblies and related systems and methods
US-2020263809-A1 · Aug 20, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K41/026?
- CPC F16K41/026 is the Cooperative Patent Classification code for “for rotating valves.”
- How many patents are filed under CPC F16K41/026 (for rotating valves)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC F16K41/026 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).