Flow control insert for an agent distribution system
US-11692565-B2 · Jul 4, 2023 · US
Arrangements of guide vanes in pipe elbows or duct bends; Construction of pipe conduit elements for elbows with respect to flow, e.g. for reducing losses of flow
Arrangements of guide vanes in pipe elbows or duct bends; Construction of pipe conduit elements for elbows with respect to flow, e.g. for reducing losses of flow · 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 | F15D1/04 |
| Official title | Arrangements of guide vanes in pipe elbows or duct bends; Construction of pipe conduit elements for elbows with respect to flow, e.g. for reducing losses of flow |
| Display label | Arrangements of guide vanes in pipe elbows or duct bends; Construction of pipe conduit elements for elbows with respect to flow, e.g. for reducing losses of flow |
| Total patents | 91 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 11 |
| 2020 | 9 |
| 2021 | 10 |
| 2022 | 13 |
| 2023 | 9 |
| 2024 | 13 |
| 2025 | 8 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Phase power device and fluid experiment system
US-2023204395-A1 · Jun 29, 2023 · US
Flow Control Valve
US-2022403838-A1 · Dec 22, 2022 · US
Exhaust diffuser hub structure for reducing flow separation
US-11506145-B2 · Nov 22, 2022 · US
Expanding and radiative flow mechanism
US-2022325732-A1 · Oct 13, 2022 · US
Flow divider with internal vane
US-11448350-B2 · Sep 20, 2022 · US
Apparatus for the separation or liquefaction of a gas operating at cryogenic temperatures
US-11415256-B2 · Aug 16, 2022 · US
Apparatus for removing thermal stratification generated by turbulent penetration by using rotation ring
US-2022228610-A1 · Jul 21, 2022 · US
Apparatus for removing thermal stratification generated by turbulent penetration by using rotation of inner ring and outer ring
US-2022226788-A1 · Jul 21, 2022 · US
Apparatus for removing thermal stratification generated by turbulent penetration by using rotation of pipe wall
US-2022226787-A1 · Jul 21, 2022 · US
Angle piece fluidically connecting fluid lines of a vehicle
US-2022128072-A1 · Apr 28, 2022 · US
Valve device
US-2022107024-A1 · Apr 7, 2022 · US
Flow conditioning device having integrated flow conditioning elements
US-2022099114-A1 · Mar 31, 2022 · US
Piping assembly and refrigeration system
US-2022034338-A1 · Feb 3, 2022 · US
Fluid heater
US-2022003455-A1 · Jan 6, 2022 · US
Fluid valves having varying fluid passageways
US-11131389-B2 · Sep 28, 2021 · US
Exhaust diffuser hub structure for reducing flow separation
US-2021293204-A1 · Sep 23, 2021 · US
Flow straightening blank
US-2021285473-A1 · Sep 16, 2021 · US
Cobra head air intake ports and intake manifolds
US-11098681-B2 · Aug 24, 2021 · US
Apparatus for the separation or liquefaction of a gas operating at cryogenic temperatures
US-2021180736-A1 · Jun 17, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15D1/04?
- CPC F15D1/04 is the Cooperative Patent Classification code for “Arrangements of guide vanes in pipe elbows or duct bends; Construction of pipe conduit elements for elbows with respect to flow, e.g. for reducing losses of flow.”
- How many patents are filed under CPC F15D1/04 (Arrangements of guide vanes in pipe elbows or duct bends; Construction of pipe conduit elements for elbows with respect to flow, e.g. for reducing losses of flow)?
- Our database includes 91 publications tagged with this CPC code.
- Is patent activity under CPC F15D1/04 growing?
- Publication counts under this code: 13 in 2024 vs 8 in 2025 (latest complete years).