A44C 17/007
Special types of gems
Official title: {Special types of gems}
A44C17/007 (Special types of gems) appears on 63 US grants and 89 published applications in this corpus.
Search patents in A44C- Granted patents
- 63
- Published applications
- 89
- Assignees
- 38
- Inventors
- 157
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 1 |
| 2009 | 0 | 4 |
| 2010 | 1 | 6 |
| 2011 | 1 | 2 |
| 2012 | 1 | 3 |
| 2013 | 3 | 5 |
| 2014 | 0 | 4 |
| 2015 | 7 | 5 |
| 2016 | 5 | 4 |
| 2017 | 1 | 7 |
| 2018 | 2 | 4 |
| 2019 | 4 | 8 |
| 2020 | 5 | 4 |
| 2021 | 5 | 4 |
| 2022 | 3 | 4 |
| 2023 | 6 | 11 |
| 2024 | 3 | 0 |
| 2025 | 4 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gemstone display system and method23 Jun 2026US 12,660,900 B2Brilliant Earth, LLC
- Multi-layer of decorative faceted fashion jewellery stones for technical use25 Nov 2025US 12,478,151 B2Preciosa, a.s.
- Glass article11 Nov 2025US 12,466,763 B2Nippon Electric Glass Co., Ltd.
- Decorative glass article26 Aug 2025US 12,398,064 B2Nippon Electric Glass Co., Ltd.
- 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
- Gemstone display system and method29 Jan 2026US 2026/0026589 A1Brilliant Earth, LLC
- Manufacturing Process of Plant-Derived Crystals, Jewels, and/or Jewelry25 Dec 2025US 2025/0389053 A1
- Method for manufacturing an external part19 Jun 2025US 2025/0194760 A1The Swatch Group Research and Development Ltd
- Lab-grown diamond jewel27 Feb 2025US 2025/0064180 A1Jewelry IP, LLC
Most cited
By later US patents
- Method of improving the color of transparent materials24US 5,853,826 AAzotic Coating Technology, Inc. · 1998
- Gem22US 6,422,039 B1D. Swarovski & Co. · 2002
- Imitation gem21US 4,604,876 A1986
- Decorative stone made of glass18US 6,705,114 B2D. Swarovski & Co. · 2004
- Heart shaped diamond cut having hearts and arrows pattern17US 8,353,181 B2Worldwide Diamond Trademarks Ltd. · 2013