B63B 19/21
Of roll-up type
Official title: of roll-up type
B63B19/21 (Of roll-up type) appears on 3 US grants and 1 published applications in this corpus.
Search patents in B63B- Granted patents
- 3
- Published applications
- 1
- Assignees
- 3
- Inventors
- 9
- Latest grant
- 26 May 2009
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 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 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
Most cited
By later US patents