B28B 3/2618
Using lubricating means
Official title: {using lubricating means}
B28B3/2618 (Using lubricating means) appears on 4 US grants and 3 published applications in this corpus.
Search patents in B28B- Granted patents
- 4
- Published applications
- 3
- Assignees
- 3
- Inventors
- 7
- Latest grant
- 18 Sep 2007
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 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 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Main mouth of brick molding machine18 Sep 2007US 7,270,526 B2
- Lubricating apparatus for clay extruders27 Feb 1990US 4,904,171 A
- Method and apparatus for making textured bricks3 Aug 1982US 4,342,719 AIsenhour Brick & Tile Company, Inc.
- Apparatus for making textured bricks8 Dec 1981US 4,304,541 AIsenhour Brick & Tile Company, Inc.
Most cited
By later US patents