A44C 17/002
Gems made of several cut pieces
Official title: {Gems made of several cut pieces}
A44C17/002 (Gems made of several cut pieces) appears on 30 US grants and 46 published applications in this corpus.
Search patents in A44C- Granted patents
- 30
- Published applications
- 46
- Assignees
- 17
- Inventors
- 55
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 3 |
| 2005 | 0 | 4 |
| 2006 | 2 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 5 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 2 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 2 | 7 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System and method for internal etching of transparent materials with information pertaining to a blockchain22 Jul 2025US 12,368,585 B2EllansaLabs Inc.
- System and method for etching internal surfaces of transparent gemstones with information pertaining to a blockchain3 Dec 2024US 12,160,533 B2EllansaLabs Inc.
- System and method for internal etching surfaces of transparent materials with information pertaining to a blockchain9 Jul 2024US 12,034,846 B2EllansaLabs Inc.
- System and method for internal etching surfaces of transparent materials with information pertaining to a blockchain6 Jun 2023US 11,671,252 B2EllansaLabs Inc.
- System and method for etching internal surfaces of transparent gemstones with information pertaining to a blockchain30 May 2023US 11,664,986 B2EllansaLabs Inc.
- Method for making symmetric gemstone article31 Jul 2025US 2025/0241416 A1
- System and Method for Etching Internal Surfaces of Transparent Gemstones with Information Pertaining to a Blockchain26 Oct 2023US 2023/0344660 A1EllansaLabs Inc.
- System and Method for Internal Etching of Transparent Materials with Information Pertaining to a Blockchain3 Aug 2023US 2023/0246830 A1EllansaLabs Inc.
- System and Method for Internal Etching of Transparent Materials with Information Pertaining to a Blockchain3 Aug 2023US 2023/0246831 A1EllansaLabs Inc.
- System and Method for Internal Etching of Transparent Materials with Information Pertaining to a Blockchain27 Jul 2023US 2023/0239146 A1EllansaLabs Inc.
Most cited
By later US patents
- Method of making a multiplet jewelry product with internally embedded visual indicia56US 4,809,417 AGeorge Normann & Associates · 1989
- Facing marquis halves to form a marquis stone43US 5,533,364 AM. Fabrikant & Sons, Ltd. · 1996
- Process for placing one faceted stone inside a larger faceted stone to form a single jewelry stone31US 6,649,009 B12003
- Method of making a heart-shaped diamond26US 6,434,805 B2L.I.D. Ltd. · 2002
- Common faceting for individual stones of a composite of diamonds24US 6,378,335 B1Am-Gold Products, Inc. · 2002