Engineered skin equivalent, method of manufacture thereof and products derived therefrom
US-12410317-B2 · Sep 9, 2025 · US
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Manufacture of special kinds or leather, e.g. vellum (chamois tanning C14C3/14)
Manufacture of special kinds or leather, e.g. vellum (chamois tanning C14C3/14) · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C14C13/00 |
| Official title | Manufacture of special kinds or leather, e.g. vellum (chamois tanning C14C3/14) |
| Display label | Manufacture of special kinds or leather, e.g. vellum (chamois tanning C14C3/14) |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Engineered skin equivalent, method of manufacture thereof and products derived therefrom
US-2024384101-A1 · Nov 21, 2024 · US
Engineered skin equivalent, method of manufacture thereof and products derived therefrom
US-11999853-B2 · Jun 4, 2024 · US
Engineered skin equivalent, method of manufacture thereof and products derived therefrom
US-2024010838-A1 · Jan 11, 2024 · US
Engineered skin equivalent, method of manufacture thereof and products derived therefrom
US-11739217-B2 · Aug 29, 2023 · US
Tanning agent-free leather making method
US-11739390-B2 · Aug 29, 2023 · US
Engineered skin equivalent, method of manufacture thereof and products derived therefrom
US-2023159758-A1 · May 25, 2023 · US
Engineered skin equivalent, method of manufacture thereof and products derived therefrom
US-11591471-B2 · Feb 28, 2023 · US
Tanning agent-free leather making method
US-2022411887-A1 · Dec 29, 2022 · US
Engineered skin equivalent, method of manufacture thereof and products derived therefrom
US-2022403172-A1 · Dec 22, 2022 · US
Engineered skin equivalent, method of manufacture thereof and products derived therefrom
US-11377559-B2 · Jul 5, 2022 · US
Engineered skin equivalent, method of manufacture thereof and products derived therefrom
US-2022064451-A1 · Mar 3, 2022 · US
Method of manufacturing a collagen yarn
US-2022049382-A1 · Feb 17, 2022 · US
Engineered skin equivalent, method of manufacture thereof and products derived therefrom
US-11091639-B2 · Aug 17, 2021 · US
Engineered skin equivalent, method of manufacture thereof and products derived therefrom
US-2021122922-A1 · Apr 29, 2021 · US
Engineered skin equivalent, method of manufacture thereof and products derived therefrom
US-10711136-B2 · Jul 14, 2020 · US
Engineered skin equivalent, method of manufacture thereof and products derived therefrom
US-2019367732-A1 · Dec 5, 2019 · US
Engineered skin equivalent, method of manufacture thereof and products derived therefrom
US-2019136060-A1 · May 9, 2019 · US
Engineered skin equivalent, method of manufacture thereof and products derived therefrom
US-10273549-B2 · Apr 30, 2019 · US