A44C 17/001
Faceting gems
Official title: {Faceting gems}
A44C17/001 (Faceting gems) appears on 139 US grants and 190 published applications in this corpus.
Search patents in A44C- Granted patents
- 139
- Published applications
- 190
- Assignees
- 77
- Inventors
- 196
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 6 | 6 |
| 2003 | 5 | 8 |
| 2004 | 5 | 4 |
| 2005 | 3 | 11 |
| 2006 | 4 | 6 |
| 2007 | 5 | 7 |
| 2008 | 0 | 9 |
| 2009 | 1 | 7 |
| 2010 | 0 | 8 |
| 2011 | 5 | 8 |
| 2012 | 7 | 10 |
| 2013 | 5 | 10 |
| 2014 | 5 | 8 |
| 2015 | 2 | 10 |
| 2016 | 11 | 9 |
| 2017 | 1 | 5 |
| 2018 | 2 | 7 |
| 2019 | 9 | 11 |
| 2020 | 1 | 9 |
| 2021 | 6 | 10 |
| 2022 | 8 | 7 |
| 2023 | 7 | 7 |
| 2024 | 10 | 7 |
| 2025 | 8 | 2 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shallow depth cut diamonds13 Jan 2026US 12,520,916 B2
- Gemstone and methods of cutting the same23 Dec 2025US 12,501,973 B2Albert Gad Ltd.
- Crystalline optical devices23 Dec 2025US 12,504,148 B1
- Multi-layer of decorative faceted fashion jewellery stones for technical use25 Nov 2025US 12,478,151 B2Preciosa, a.s.
- Method for coring and slicing a CVD diamond product and apparatus for carrying it out24 Jun 2025US 12,336,603 B2Synova SA
- Cut for a diamond20 Aug 2026US 2026/0240290 A1Comm. V Sugihara Consult
- Crystalline optical devices16 Jul 2026US 2026/0202037 A1
- Cut stone and its production method21 May 2026US 2026/0137178 A1Harry Winston SA
- Gemstone and methods of cutting the same23 Apr 2026US 2026/0108027 A1Albert Gad Ltd.
- Gemstone3 Apr 2025US 2025/0107600 A1Idd Limited
Most cited
By later US patents