Systems, kits, and methods for forming in situ silk fibroin fibers and/or aerosols
US-12565521-B2 · Mar 3, 2026 · US
by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring
by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D01D5/40 |
| Official title | by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring |
| Display label | by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Green and Low-Energy Preparation Method for Cellulose Nanofibers Based on Cold Plasma
US-2026055537-A1 · Feb 26, 2026 · US
Method for preparing aramid nanofiber dispersion
US-12269922-B2 · Apr 8, 2025 · US
Fractal-like polymeric particles and their use in diverse applications
US-12209203-B2 · Jan 28, 2025 · US
Systems, kits, and methods for forming in situ silk fibroin fibers and/or aerosols
US-2024401242-A1 · Dec 5, 2024 · US
Composite shaft
US-12085125-B2 · Sep 10, 2024 · US
Fractal-like polymeric particles and their use in diverse applications
US-2024076509-A1 · Mar 7, 2024 · US
Poly(glycerol sebacate) fibers, fabrics formed therefrom, and methods of fiber manufacture
US-11686015-B2 · Jun 27, 2023 · US
Fractal-like polymeric particles and their use in diverse applications
US-11306214-B2 · Apr 19, 2022 · US
Poly(glycerol sebacate) fibers, fabrics formed therefrom, and methods of fiber manufacture
US-2022042207-A1 · Feb 10, 2022 · US
Composite shaft
US-2021404511-A1 · Dec 30, 2021 · US
Poly(glycerol sebacate) fibers, fabrics formed therefrom, and methods of fiber manufacture
US-11186926-B2 · Nov 30, 2021 · US
Detecting Compounds in Airborne Particles Using Ion Exchange
US-2021341373-A1 · Nov 4, 2021 · US
Composite shaft
US-11137018-B2 · Oct 5, 2021 · US
Method for preparing aramid nanofiber dispersion
US-2021238348-A1 · Aug 5, 2021 · US
Preparation method of para-aramid nanofibers
US-10781536-B2 · Sep 22, 2020 · US
Fibers with filler
US-10597501-B2 · Mar 24, 2020 · US
Shear spun sub-micrometer fibers
US-10400355-B2 · Sep 3, 2019 · US
High temperature melt integrity battery separators via spinning
US-2019181409-A1 · Jun 13, 2019 · US
Fractal-like polymeric particles and their use in diverse applications
US-2019153247-A1 · May 23, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01D5/40?
- CPC D01D5/40 is the Cooperative Patent Classification code for “by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring.”
- How many patents are filed under CPC D01D5/40 (by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC D01D5/40 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).