B24B 9/161
Dops, dop holders
Official title: {Dops, dop holders}
B24B9/161 (Dops, dop holders) appears on 22 US grants and 7 published applications in this corpus.
Search patents in B24B- Granted patents
- 22
- Published applications
- 7
- Assignees
- 13
- Inventors
- 38
- Latest grant
- 20 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Automatic gemstone polishing robot20 Feb 2024US 11,904,433 B2Freedom Automation Solutions LLP
- Polishing apparatus for smoothing diamonds13 Feb 2024US 11,897,087 B2Board of Trustees of Michigan State University
- Positioning device for applying an object to a grinder at pre-determined angles24 May 2022US 11,338,408 B2
- Gemstone positioning fixture7 Aug 2018US 10,040,161 B2GemEx Systems, Inc.
- Application of a processing pin to a gemstone which is to be cut or polished26 Aug 2014US 8,815,039 B2Paul Wild OHG
- Method and apparatus for processing diamond surface9 Jan 2025US 2025/0010427 A1Element Six Technologies Limited
- Polishing apparatus for smoothing diamonds14 Sep 2023US 2023/0286102 A1Board of Trustees of Michigan State University
- Positioning device for applying an object to a grinder at pre-determined angles5 Nov 2020US 2020/0346316 A1
- An automatic gemstone polishing robot13 Aug 2020US 2020/0254584 A1Freedom Automation Solutions LLP
- Application of a processing pin to a gemstone which is to be cut or polished3 Mar 2011US 2011/0048626 A1Paul Wild OHG
Most cited
By later US patents
- Collet chuck aligning assembly for gem faceting machines8US 4,265,057 A1981
- Work holding device in work grinding and polishing machine8US 4,667,446 A1987
- Work holding device in work grinding and polishing machine8US 4,748,775 ASuzuki Shoji Patent Office · 1988
- Centering apparatus for a gemstone8US 5,015,090 A1991
- Holding means for gem stones6US 4,110,937 A1978