B23C 2220/24
Production of elliptical holes
B23C2220/24 (Production of elliptical holes) appears on 3 US grants and 5 published applications in this corpus.
Search patents in B23C- Granted patents
- 3
- Published applications
- 5
- Assignees
- 3
- Inventors
- 9
- Latest grant
- 18 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 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 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for forming elongated perforations in an inner barrel section of an engine18 Oct 2022US 11,473,479 B2The Boeing Company
- Machining apparatus5 Mar 2019US 10,220,479 B2Toyota Jidosha Kabushiki Kaisha
- Method for machining an ellipitical bore13 Apr 1993US 5,201,618 AGeneral Motors Corporation
- System and method for forming elongated perforations in an inner barrel section of an engine28 May 2020US 2020/0165954 A1The Boeing Company
- Machining apparatus26 Oct 2017US 2017/0304978 A1Toyota Jidosha Kabushiki Kaisha
- Method and apparatus for adapting standard end cap assemblies of a perforating gun to function as tubing conveyed perforating end cap assemblies19 Oct 2017US 2017/0298715 A1
- Apparatus for more effectively extracting energy resources from underground reservoirs and a method for manufacturing the same19 Oct 2017US 2017/0298716 A1
- System and method for forming elongated perforations in an inner barrel section of an engine24 Sep 2015US 2015/0267593 A1The Boeing Company
Most cited
By later US patents