A44C 27/005
Coating layers for jewellery
Official title: {Coating layers for jewellery}
A44C27/005 (Coating layers for jewellery) appears on 154 US grants and 197 published applications in this corpus.
Search patents in A44C- Granted patents
- 154
- Published applications
- 197
- Assignees
- 89
- Inventors
- 317
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 7 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 5 |
| 2003 | 4 | 5 |
| 2004 | 5 | 12 |
| 2005 | 1 | 4 |
| 2006 | 8 | 5 |
| 2007 | 1 | 6 |
| 2008 | 1 | 1 |
| 2009 | 3 | 7 |
| 2010 | 2 | 8 |
| 2011 | 3 | 5 |
| 2012 | 3 | 7 |
| 2013 | 2 | 3 |
| 2014 | 2 | 8 |
| 2015 | 9 | 10 |
| 2016 | 5 | 7 |
| 2017 | 7 | 10 |
| 2018 | 7 | 13 |
| 2019 | 3 | 5 |
| 2020 | 2 | 12 |
| 2021 | 7 | 12 |
| 2022 | 6 | 11 |
| 2023 | 7 | 15 |
| 2024 | 13 | 8 |
| 2025 | 10 | 5 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composite wearables and related methods11 Aug 2026US 12,702,204 B2Flexible Jewelry LLC
- Decorative part made by inlaying30 Jun 2026US 12,669,783 B2Comadur SA
- Temporary ring inner diameter filing device and method thereof16 Jun 2026US 12,653,280 B2
- Methods of temporarily enhancing the luster and brilliance of jewelry and gem stones21 Apr 2026US 12,605,737 B2
- Method for manufacturing an external component of a watch, of a fashion item or of a jewellery item13 Jan 2026US 12,520,917 B2Comadur SA
- Ternary ti-zr-hf alloy13 Aug 2026US 2026/0234755 A1Rolex SA
- Deep black decorative coating with increased thermal stability23 Jul 2026US 2026/0209931 A1Oerlikon Surface Solutions AG, PfäFfikon
- External part comprising a stack of interference layers deposited on a face made of chromium carbide16 Jul 2026US 2026/0200811 A1The Swatch Group Research and Development Ltd
- External part comprising a stack of interference layers deposited on a face comprising at least 50% by mass of titanium25 Jun 2026US 2026/0174199 A1The Swatch Group Research and Development Ltd
- External part comprising a coating of interference layers deposited on a face made of a material comprising at least 50% by mass of aluminium25 Jun 2026US 2026/0176755 A1The Swatch Group Research and Development Ltd
Most cited
By later US patents
- Wear resistance jewelry46US 6,062,045 A2000
- Method of coating a metallic article of merchandise with a protective transparent film of abrasion-resistance material35US 4,737,252 AWestinghouse Electric Corp. · 1988
- Process of depositing a hard coating of a gold compound on a substrate for coating jewelry and the like33US 4,403,014 AASU Composants S.A. · 1983
- Lightweight, rigid, metal product and process for producing same32US 4,543,803 A1985
- Jewelry article utilizing a linear stone setting32US 7,546,749 B12009