B21C 47/3491
Brushes
Official title: {Brushes}
B21C47/3491 (Brushes) appears on 3 US grants and 1 published applications in this corpus.
Search patents in B21C- Granted patents
- 3
- Published applications
- 1
- Assignees
- 4
- Inventors
- 7
- Latest grant
- 2 Jun 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 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 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Coil winding device and method of winding an elongate member2 Jun 2015US 9,044,799 B2SMS Meer GmbH
- Apparatus for guiding and more particularly coiling webs of material9 Feb 1993US 5,184,788 ASundwiger Eisenhutte Maschinenfabrik Grah & Co.
- Method of transporting rapidly quenched ribbon and apparatus therefor23 Oct 1990US 4,964,583 AKawasaki Steel Corporation
Most cited
By later US patents