Apparatus for processing of leather
US-12416054-B2 · Sep 16, 2025 · US
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Apparatus for chemical treatment or washing of hides, skins, or leather
Apparatus for chemical treatment or washing of hides, skins, or leather · 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 | C14C15/00 |
| Official title | Apparatus for chemical treatment or washing of hides, skins, or leather |
| Display label | Apparatus for chemical treatment or washing of hides, skins, or leather |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 4 |
| 2019 | 3 |
| 2020 | 4 |
| 2022 | 3 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for dyeing of leather
US-2024360524-A1 · Oct 31, 2024 · US
Method for dyeing and/or retanning of leather
US-12049676-B2 · Jul 30, 2024 · US
Decorated natural leather
US-11905653-B2 · Feb 20, 2024 · US
A process of tanning animal hides
US-2024052437-A1 · Feb 15, 2024 · US
Decorated Natural Leather
US-2022227147-A1 · Jul 21, 2022 · US
Apparatus for processing of leather
US-2022220570-A1 · Jul 14, 2022 · US
Method for dyeing and/or retanning of leather
US-2022220571-A1 · Jul 14, 2022 · US
Inkjet printing method on natural leather
US-2020384778-A1 · Dec 10, 2020 · US
Animal skin substrate treatment apparatus and method
US-10808289-B2 · Oct 20, 2020 · US
Method of treatment using a solid particulate material and apparatus therefor
US-10773976-B2 · Sep 15, 2020 · US
Animal skin substrate treatment method and apparatus
US-10590499-B2 · Mar 17, 2020 · US
Method of treatment using a solid particulate material and apparatus therefor
US-2019210892-A1 · Jul 11, 2019 · US
Animal skin substrate treatment method and apparatus
US-2019144959-A1 · May 16, 2019 · US
Animal skin substrate treatment apparatus and method
US-10287642-B2 · May 14, 2019 · US
Apparatus and method for recovery of solid particulate material
US-2017247771-A1 · Aug 31, 2017 · US
Animal skin substrate treatment apparatus and method
US-2017240982-A1 · Aug 24, 2017 · US
Animal skin substrate treatment apparatus and method
US-2017240981-A1 · Aug 24, 2017 · US
Tanning of substrates using ionic liquids
US-2017029909-A1 · Feb 2, 2017 · US