F04B 1/0533
Each machine piston having channels that coact with the cylinder and serve
Official title: each machine piston having channels that coact with the cylinder and serve as distribution members for another piston-cylinder unit
F04B1/0533 (Each machine piston having channels that coact with the cylinder and serve) appears on 3 US grants and 1 published applications in this corpus.
Search patents in F04B- Granted patents
- 3
- Published applications
- 1
- Assignees
- 2
- Inventors
- 12
- Latest grant
- 28 Jun 1994
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 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 | 1 |
By publication year. Applications have been published since 2001.
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