F02M 35/1238
By using secondary connections to the ambient
Official title: {by using secondary connections to the ambient, e.g. covered by a membrane or a porous member}
F02M35/1238 (By using secondary connections to the ambient) appears on 21 US grants and 24 published applications in this corpus.
Search patents in F02M- Granted patents
- 21
- Published applications
- 24
- Assignees
- 21
- Inventors
- 52
- Latest grant
- 30 Jul 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 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 | 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 | 1 |
| 2002 | 0 | 1 |
| 2003 | 3 | 1 |
| 2004 | 1 | 5 |
| 2005 | 1 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 3 |
| 2008 | 1 | 4 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 4 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Intake device of internal combustion engine23US 7,448,353 B2Mahle Filter Systems Japan Corporation · 2008
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