B63C 2011/022
For facilitating observation of objects in opaque liquids
Official title: {for facilitating observation of objects in opaque liquids, e.g. in dirty, turbid or dark water}
B63C2011/022 (For facilitating observation of objects in opaque liquids) appears on 4 US grants and 4 published applications in this corpus.
Search patents in B63C- Granted patents
- 4
- Published applications
- 4
- Assignees
- 1
- Inventors
- 10
- Latest grant
- 2 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 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 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year.
Recent patents
- Diving suit waterproof connector having lighting device8 Oct 2020US 2020/0317310 A1
- Undersea compass and pitch indicator29 Aug 2019US 2019/0263487 A1Teledyne Brown Engineering
- Underwater visibility device15 Jun 2006US 2006/0124483 A1
- Method and apparatus for inspection and repair of sailing vessels in-situ29 Jan 2004US 2004/0016384 A1
Most cited
By later US patents