Biomedical patches with aligned fibers
US-12491061-B2 · Dec 9, 2025 · US
Hollow cylinder shaped
Hollow cylinder shaped · 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 | D04H3/073 |
| Official title | Hollow cylinder shaped |
| Display label | Hollow cylinder shaped |
| Total patents | 46 |
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 | 5 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 8 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Biomedical patches with aligned fibers
US-2025161014-A1 · May 22, 2025 · US
Spunbonded nonwoven and tile carpet using the same
US-12188162-B2 · Jan 7, 2025 · US
Biomedical patches with aligned fibers
US-12144716-B2 · Nov 19, 2024 · US
Method and device for producing an annular multiaxial laid fabric and an annular object produced therewith
US-2023243077-A1 · Aug 3, 2023 · US
Electrospun material covered appliances and methods of manufacture
US-2023191005-A1 · Jun 22, 2023 · US
Biomedical patches with aligned fibers
US-2023053327-A9 · Feb 16, 2023 · US
Electrospun material covered medical appliances and methods of manufacture
US-11541154-B2 · Jan 3, 2023 · US
Lobed tubular piece made of a composite with unidirectional fibers
US-11472133-B2 · Oct 18, 2022 · US
Biomedical patches with aligned fibers
US-11471260-B2 · Oct 18, 2022 · US
Spunbonded nonwoven and tile carpet using the same
US-2022228307-A1 · Jul 21, 2022 · US
Biomedical patches with aligned fibers
US-2022175510-A1 · Jun 9, 2022 · US
Biomedical patches with aligned fibers
US-11311366-B2 · Apr 26, 2022 · US
Nanofibrous encapsulation device for safe delivery of therapeutic agents
US-2022118025-A1 · Apr 21, 2022 · US
Electrospun material covered medical appliances and methods of manufacture
US-2022047783-A1 · Feb 17, 2022 · US
Method and device for producing tubular cellulosic spun-bonded nonwoven fabrics
US-2022018048-A1 · Jan 20, 2022 · US
Biomedical patches with aligned fibers
US-2021338408-A1 · Nov 4, 2021 · US
Biomedical patches with aligned fibers
US-2021267746-A1 · Sep 2, 2021 · US
Biomedical patches with aligned fibers
US-11096772-B1 · Aug 24, 2021 · US
Biomedical patches with aligned fibers
US-11071617-B2 · Jul 27, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D04H3/073?
- CPC D04H3/073 is the Cooperative Patent Classification code for “Hollow cylinder shaped.”
- How many patents are filed under CPC D04H3/073 (Hollow cylinder shaped)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC D04H3/073 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).