Structural mat for reinforcing a wind turbine blade structure, a wind turbine blade and a method for manufacturing a wind turbine blade
US-2018297308-A1 · Oct 18, 2018 · US
Inorganic yarns or filaments
Inorganic yarns or filaments · 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 | D04H3/002 |
| Official title | Inorganic yarns or filaments |
| Display label | Inorganic yarns or filaments |
| Total patents | 166 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 18 |
| 2017 | 19 |
| 2018 | 18 |
| 2019 | 16 |
| 2020 | 18 |
| 2021 | 12 |
| 2022 | 6 |
| 2023 | 16 |
| 2024 | 16 |
| 2025 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat insulation material, core material, refrigerator, manufacturing method of heat insulation material
US-2018238609-A1 · Aug 23, 2018 · US
Method for producing solidified fiber bundles
US-2018222134-A1 · Aug 9, 2018 · US
System and method for multiple surface water jet needling
US-10017887-B2 · Jul 10, 2018 · US
Sheet-like fiber structure, and battery, heat insulation material, waterproof sheet, scaffold for cell culture, and holding material each using the sheet-like fiber structure
US-9932239-B2 · Apr 3, 2018 · US
System and method for transport of fibers to/from a circular needle-punching loom
US-9932696-B2 · Apr 3, 2018 · US
Structural mat for reinforcing a wind turbine blade structure, a wind turbine blade and a method for manufacturing a wind turbine blade
US-9895856-B2 · Feb 20, 2018 · US
Fabrication and application of nanofiber ribbons and sheets and twisted and non-twisted nanofiber yarns
US-9845554-B2 · Dec 19, 2017 · US
Fabrication and application of nanofiber ribbons and sheets and twisted and non-twisted nanofiber yarns
US-2017327377-A1 · Nov 16, 2017 · US
Fabrication and application of nanofiber ribbons and sheets and twisted and non-twisted nanofiber yarns
US-9815699-B1 · Nov 14, 2017 · US
System and method for transport of fibers to/from a circular needle-punching loom
US-2017292211-A1 · Oct 12, 2017 · US
System and method for multiple surface water jet needling
US-2017275795-A1 · Sep 28, 2017 · US
Methods and systems for forming a fibrous preform
US-2017268141-A1 · Sep 21, 2017 · US
System and method for preparing textiles with volumized tows for facilitating densification
US-9758908-B2 · Sep 12, 2017 · US
Differential needling of a carbon fiber preform
US-2017239911-A1 · Aug 24, 2017 · US
System and method for transport of fibers to/from a circular needle-punching loom
US-9719199-B2 · Aug 1, 2017 · US
System and method for manufacturing net shape preform from textile strips
US-2017204545-A1 · Jul 20, 2017 · US
Fabrication and application of nanofiber ribbons and sheets and twisted and non-twisted nanofiber yarns
US-9688536-B2 · Jun 27, 2017 · US
Masonry reinforcement structure comprising parallel cords
US-2017175387-A1 · Jun 22, 2017 · US
Fabrication and application of nanofiber ribbons and sheets and twisted and non-twisted nanofiber yarns
US-2017137290-A1 · May 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D04H3/002?
- CPC D04H3/002 is the Cooperative Patent Classification code for “Inorganic yarns or filaments.”
- How many patents are filed under CPC D04H3/002 (Inorganic yarns or filaments)?
- Our database includes 166 publications tagged with this CPC code.
- Is patent activity under CPC D04H3/002 growing?
- Publication counts under this code: 16 in 2024 vs 11 in 2025 (latest complete years).