B23C 2226/73
Silicon nitride
B23C2226/73 (Silicon nitride) appears on 3 US grants and 6 published applications in this corpus.
Search patents in B23C- Granted patents
- 3
- Published applications
- 6
- Assignees
- 3
- Inventors
- 17
- Latest grant
- 11 May 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
By publication year.
Recent patents
- Endmill body and radius end mill30 Jan 2020US 2020/0030895 A1Ngk Spark Plug Co., Ltd.
- Insert and cutting tool18 Feb 2010US 2010/0040424 A1Ngk Spark Plug Co., Ltd.
- Silicon nitride cutting tool1 Oct 2009US 2009/0246464 A1KYOCERA Corporation
- Method of treatment and processing of tools for machining of workpieces by cutting17 Jul 2008US 2008/0171154 A1
- Process for machining25 Aug 2005US 2005/0186044 A1
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.