B28B 21/96
For smoothing, roughening, corrugating or for removing burr
Official title: for smoothing, roughening, corrugating or for removing burr
B28B21/96 (For smoothing, roughening, corrugating or for removing burr) appears on 4 US grants and 2 published applications in this corpus.
Search patents in B28B- Granted patents
- 4
- Published applications
- 2
- Assignees
- 4
- Inventors
- 9
- Latest grant
- 17 Mar 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 1 |
| 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 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Concrete roller head17 Mar 2015US 8,979,520 B2Hawkeye Concrete Products Co.
- Slip-cast ceramic component and a process for its production9 Feb 1993US 5,185,113 ABayer Aktiengesellschaft
- Machine grooved joint on hollow concrete cylinders29 Aug 1978US 4,109,635 A
- Facing ring and pouring chute for vertically cast concrete pipe9 Mar 1976US 3,942,936 AAmeron, Inc.
Most cited
By later US patents