Valve cages having lattice structure
US-2025389346-A1 · Dec 25, 2025 · US
the throttling channel being of helical form
the throttling channel being of helical form · 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 | F16K47/12 |
| Official title | the throttling channel being of helical form |
| Display label | the throttling channel being of helical form |
| Total patents | 30 |
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 | 2 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 4 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water valve of reduced noise and method therefor
US-2025092964-A1 · Mar 20, 2025 · US
Method of manufacturing a fluid pressure reduction device
US-12215802-B2 · Feb 4, 2025 · US
Medical pump device for conveying a medical fluid
US-12171981-B2 · Dec 24, 2024 · US
Manufacturing valve trim to abate valve noise
US-12158219-B2 · Dec 3, 2024 · US
Manufacturing valve trim to abate valve noise
US-2024175520-A1 · May 30, 2024 · US
Method of Manufacturing a Fluid Pressure Reduction Device
US-2023349488-A1 · Nov 2, 2023 · US
Manufacturing valve trim to abate noise
US-11796083-B1 · Oct 24, 2023 · US
Method of manufacturing a fluid pressure reduction device
US-11719362-B2 · Aug 8, 2023 · US
Apparatus for noise reduction in valves
US-11525525-B2 · Dec 13, 2022 · US
Apparatus for noise reduction in valves
US-2022170569-A1 · Jun 2, 2022 · US
Valve trim apparatus for use with control valves
US-11339897-B2 · May 24, 2022 · US
Medical pump device for conveying a medical fluid
US-2022126018-A1 · Apr 28, 2022 · US
Throttle body with a plurality of channels extending three-dimensional spiral-shaped
US-10871243-B2 · Dec 22, 2020 · US
Method of Manufacturing a Fluid Pressure Reduction Device
US-2020340609-A1 · Oct 29, 2020 · US
Method of manufacturing a fluid pressure reduction device
US-10711937-B2 · Jul 14, 2020 · US
Valve trim apparatus for use with control valves
US-2020072383-A1 · Mar 5, 2020 · US
Polymer flow control device
US-10378323-B2 · Aug 13, 2019 · US
Fluid control vallve
US-2019063466-A1 · Feb 28, 2019 · US
Displacement control valve
US-10167978-B2 · Jan 1, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K47/12?
- CPC F16K47/12 is the Cooperative Patent Classification code for “the throttling channel being of helical form.”
- How many patents are filed under CPC F16K47/12 (the throttling channel being of helical form)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC F16K47/12 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).