Method for manufacturing an external component of a watch, of a fashion item or of a jewellery item
US-12520917-B2 · Jan 13, 2026 · US
Coating layers for jewellery
Coating layers for jewellery · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A44C27/005 |
| Official title | {Coating layers for jewellery} |
| Display label | Coating layers for jewellery |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 2 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
External component of a watch or of an item of jewellery and method for manufacturing such and external component
US-12510691-B2 · Dec 30, 2025 · US
Part with 3d decoration and its manufacturing method
US-2025377635-A1 · Dec 11, 2025 · US
External part element for timepiece or piece of jewellery and method for manufacturing such an external part element
US-12396529-B2 · Aug 26, 2025 · US
Trim component comprising a substrate having local variations in refractive index, and method of producing such a trim component
US-2025204656-A1 · Jun 26, 2025 · US
External part for a timepiece or a piece of jewellery comprising an interferential colour coating and manufacturing method of said part
US-12222531-B2 · Feb 11, 2025 · US
Substrate comprising a silver-plated surface protected against silver tarnishing and method for manufacturing such a substrate
US-12163217-B2 · Dec 10, 2024 · US
External part for watches or jewellery comprising a coating of saturated intrinsic colour and method for manufacturing said external part
US-2024358127-A1 · Oct 31, 2024 · US
Method for manufacturing an external component of a watch, of a fashion item or of a jewellery item
US-2024099433-A1 · Mar 28, 2024 · US
Method for manufacturing an external component including a diffraction grating
US-2024091882-A1 · Mar 21, 2024 · US
Process for producing a horological or jewellery element inlaid with a ceramic decoration
US-2024074553-A1 · Mar 7, 2024 · US
External part component of a watch or of a fashion or jewellery item and method for manufacturing such an external part component
US-2023251605-A1 · Aug 10, 2023 · US
External component of a watch or of an item of jewellery and method for manufacturing such and external component
US-2023244001-A1 · Aug 3, 2023 · US
External part element for timepiece or piece of jewellery and method for manufacturing such an external part element
US-2023200504-A1 · Jun 29, 2023 · US
Composite component for horology or jewellery with a ceramic structure and inserts
US-11625007-B2 · Apr 11, 2023 · US
External part for a timepiece or a piece of jewellery comprising an interferential colour coating and manufacturing method of said part
US-2022299689-A1 · Sep 22, 2022 · US
Substrate comprising a silver-plated surface protected against silver tarnishing and method for manufacturing such a substrate
US-2021348270-A1 · Nov 11, 2021 · US
Mother-of-pearl substrate coated with a yellow layer
US-11022945-B2 · Jun 1, 2021 · US
Variable colour exterior element
US-10996632-B2 · May 4, 2021 · US
Composite component for horology or jewellery with a ceramic structure and inserts
US-2020292999-A1 · Sep 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A44C27/005?
- CPC A44C27/005 is the Cooperative Patent Classification code for “Coating layers for jewellery.”
- How many patents are filed under CPC A44C27/005 (Coating layers for jewellery)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC A44C27/005 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).