F01B 31/18
Draining
F01B31/18 (Draining) appears on 2 US grants and 3 published applications in this corpus.
Search patents in F01B- Granted patents
- 2
- Published applications
- 3
- Assignees
- 4
- Inventors
- 5
- Latest grant
- 25 Mar 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 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 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 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 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Unburned fuel venting in internal combustion engines26 Nov 2015US 2015/0337774 A1Caterpillar Energy Solutions GmbH
- Drain Vent for Petroleum/Chemical Pumping Devices and Methods of Making the Same27 Mar 2014US 2014/0086768 A1Roy E. Roth Company
- Apparatus for evacuating condensation from furnace pipe systems22 Aug 2002US 2002/0115036 A1Fasco Industries, Inc.
Most cited
By later US patents