Distribution valve
US-2025297687-A1 · Sep 25, 2025 · US
for plugs with cylindrical surfaces
for plugs with cylindrical surfaces · 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 | F16K5/18 |
| Official title | for plugs with cylindrical surfaces |
| Display label | for plugs with cylindrical surfaces |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Retaining ring and method of manufacture
US-12228218-B2 · Feb 18, 2025 · US
Multi-way valve with single valve rotor
US-2024229946-A1 · Jul 11, 2024 · US
Fluidic connection device and non-return insert valve for vehicles
US-11946568-B2 · Apr 2, 2024 · US
Erosion-resistant valve trim
US-11713830-B2 · Aug 1, 2023 · US
Valve system
US-11578645-B2 · Feb 14, 2023 · US
Variable cylinder wall for seals on plug valve
US-11560952-B2 · Jan 24, 2023 · US
Retaining ring and method of manufacture
US-2023018750-A1 · Jan 19, 2023 · US
Fluidic connection device and non-return insert valve for vehicles
US-2022412469-A1 · Dec 29, 2022 · US
Valve system
US-2022186661-A1 · Jun 16, 2022 · US
Valve
US-11359538-B2 · Jun 14, 2022 · US
Variable cylinder wall for seals on plug valve
US-2022065356-A1 · Mar 3, 2022 · US
Erosion-resistant valve trim
US-2021095786-A1 · Apr 1, 2021 · US
Sealing member for a multi-direction changeover valve and a multi-direction changeover valve including the sealing member
US-10816100-B2 · Oct 27, 2020 · US
Enhanced design for plug valve
US-2020318750-A1 · Oct 8, 2020 · US
Valve
US-2020173348-A1 · Jun 4, 2020 · US
Valve system
US-2020173347-A1 · Jun 4, 2020 · US
Sealing member for a multi-direction changeover valve and a multi-direction changeover valve including the sealing member
US-2020141501-A1 · May 7, 2020 · US
Axially preloaded sealing element
US-10184572-B2 · Jan 22, 2019 · US
Throttle valve
US-9958073-B2 · May 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K5/18?
- CPC F16K5/18 is the Cooperative Patent Classification code for “for plugs with cylindrical surfaces.”
- How many patents are filed under CPC F16K5/18 (for plugs with cylindrical surfaces)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC F16K5/18 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).