Flow mixer duct for a bleed system
US-2020363142-A1 · Nov 19, 2020 · US
by influencing the boundary layer
by influencing the boundary layer · 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 | F15D1/06 |
| Official title | by influencing the boundary layer |
| Display label | by influencing the boundary layer |
| Total patents | 121 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 13 |
| 2017 | 9 |
| 2018 | 9 |
| 2019 | 9 |
| 2020 | 16 |
| 2021 | 13 |
| 2022 | 11 |
| 2023 | 18 |
| 2024 | 8 |
| 2025 | 9 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vortex generators positioned in flowtubes to promote boundary layer adherence of flow through a flowtube of a meter
US-10837475-B2 · Nov 17, 2020 · US
Phononic materials used to control turbulent flow
US-10830262-B2 · Nov 10, 2020 · US
Drag Reducing Agents and Methods of Using Thereof
US-2020284277-A1 · Sep 10, 2020 · US
Coolant system pressure drop reduction
US-10760672-B2 · Sep 1, 2020 · US
Flow conditioning system
US-2020240447-A1 · Jul 30, 2020 · US
Structure of engine intake duct
US-2020224616-A1 · Jul 16, 2020 · US
Curved flow channel with built-in lattice structure
US-10704726-B2 · Jul 7, 2020 · US
Evice and method for creating a distribution of unsteady suction
US-2020158147-A1 · May 21, 2020 · US
Vortex Generators for Use in Meters and Related Systems and Meters
US-2020132094-A1 · Apr 30, 2020 · US
Ice maker downspout
US-2020124333-A1 · Apr 23, 2020 · US
Respiratory humidification system
US-2020101253-A1 · Apr 2, 2020 · US
Ultraclean autosampler with syringe delivery for mass spectrometry
US-2020103077-A1 · Apr 2, 2020 · US
Particulate laden fluid vortex erosion mitigation
US-10598197-B2 · Mar 24, 2020 · US
Flow restricting fluid component
US-2020088555-A1 · Mar 19, 2020 · US
Ultraclean autosampler with syringe delivery for mass spectrometry
US-10465853-B2 · Nov 5, 2019 · US
Apparatus and method for controlling fluid flow
US-2019331145-A1 · Oct 31, 2019 · US
Respiratory humidification system
US-10449319-B2 · Oct 22, 2019 · US
Internal flow control using plasma actuators
US-2019316613-A1 · Oct 17, 2019 · US
Cooling device for internal combustion engine
US-10428724-B2 · Oct 1, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15D1/06?
- CPC F15D1/06 is the Cooperative Patent Classification code for “by influencing the boundary layer.”
- How many patents are filed under CPC F15D1/06 (by influencing the boundary layer)?
- Our database includes 121 publications tagged with this CPC code.
- Is patent activity under CPC F15D1/06 growing?
- Publication counts under this code: 8 in 2024 vs 9 in 2025 (latest complete years).