B23B 41/10
Boring or drilling machines or devices specially adapted for particular work: for
Official title: for boring holes in steam boilers
B23B41/10 (Boring or drilling machines or devices specially adapted for particular work: for) appears on 8 US grants and 7 published applications in this corpus.
Search patents in B23B- Granted patents
- 8
- Published applications
- 7
- Assignees
- 5
- Inventors
- 8
- Latest grant
- 13 Apr 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Drilling apparatus for working on tubes in a radioactive environment13 Apr 2021US 10,974,326 B2Westinghouse Electric Germany GmbH
- Drilling device for machining tubes in tube sheets in a radioactive environment3 Nov 2020US 10,821,524 B2Westinghouse Electric Germany GmbH
- Enhanced device for piercing plugs in a steam generator26 Sep 2017US 9,772,103 B2Areva Np
- Drilling worktable for manufacturing tube support plates and method of manufacturing tube support plates using the same5 Sep 2017US 9,751,132 B2Doosan Heavy Industries Construction Co., Ltd
- Method and apparatus for removing boiler tube stubs31 May 2011US 7,950,313 B2Esco Technologies, Inc.
- Drilling device for machining tubes in tube sheets in a radioactive environment3 Oct 2019US 2019/0299300 A1Westinghouse Electric Germany GmbH
- Drilling apparatus for working on tubes in a radioactive environment3 Oct 2019US 2019/0299301 A1Westinghouse Electric Germany GmbH
- Enhanced device for piercing plugs in a steam generator8 Dec 2016US 2016/0356487 A1Areva Np
- Drilling worktable for manufacturing tube support plates and method of manufacturing tube support plates using the same16 Jul 2015US 2015/0196960 A1Doosan Heavy Industries Construction Co., Ltd
- Hand hole inspection plug removal machine21 Apr 2011US 2011/0088529 A1
Most cited
By later US patents
- Method of removing boiler tubes13US 7,093,360 B12006
- Device for machining an interior surface of a tubular object8US 6,007,278 AThe United States of America as represented by the Secretary of the Navy · 1999
- Drilling device for machining tubes in tube sheets in a radioactive environment1US 10,821,524 B2Westinghouse Electric Germany GmbH · 2020