B24B 9/168
Grinding peripheral
Official title: {grinding peripheral, e.g. conical or cylindrical, surfaces}
B24B9/168 (Grinding peripheral) appears on 6 US grants and 1 published applications in this corpus.
Search patents in B24B- Granted patents
- 6
- Published applications
- 1
- Assignees
- 1
- Inventors
- 7
- Latest grant
- 15 Mar 1994
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Apparatus and method for cone shaping the crown and pavilion of gemstones15 Mar 1994US 5,293,858 A
- Concave-convex faceting method and apparatus3 Sep 1991US 5,044,123 A
- Principles and appliances for the cutting of spherical-faceted gems and gems thus obtained2 Apr 1991US 5,003,791 A
- Principles and appliances for cutting of spherical-faceted gems and gems thus obtained18 Aug 1987US 4,686,795 A
- Combined duplicator and preformer for lapidary use19 May 1981US 4,267,670 A
Most cited
By later US patents
- Concave-convex faceting method and apparatus14US 5,044,123 A1991
- Principles and appliances for the cutting of spherical-faceted gems and gems thus obtained4US 5,003,791 A1991
- Apparatus and method for cone shaping the crown and pavilion of gemstones4US 5,293,858 A1994
- Lapidary machine2US 4,084,352 A1978
- Principles and appliances for cutting of spherical-faceted gems and gems thus obtained2US 4,686,795 A1987