F16T 1/30
Of inverted-open-bucket type
Official title: of inverted-open-bucket type; of bell type
F16T1/30 (Of inverted-open-bucket type) appears on 11 US grants and 0 published applications in this corpus.
Search patents in F16T- Granted patents
- 11
- Published applications
- 0
- Assignees
- 6
- Inventors
- 15
- Latest grant
- 26 Apr 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 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 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Steam trap with inverted bucket float26 Apr 2011US 7,931,046 B1
- Steam trap with separate steam and condensate inlets19 Nov 1991US 5,065,785 AArmstrong International, Inc.
- Combined inlet and outlet fitting2 Apr 1985US 4,508,135 AArmstrong International, Inc.
- Valve seat assembly for a steam trap11 Oct 1983US 4,408,626 ATLV Co., Ltd.
- Dual fulcrum steam trap14 Jun 1983US 4,387,733 AClark-Reliance Corporation
No published applications in this class yet.
Most cited
By later US patents
- Steam trap with separate steam and condensate inlets21US 5,065,785 AArmstrong International, Inc. · 1991
- Combined inlet and outlet fitting17US 4,508,135 AArmstrong International, Inc. · 1985
- Inverted bucket steam trap12US 4,149,557 AArmstrong Machine Works · 1979
- Means for separation and drainage of liquid from a point between successive stages of steam utilization7US 3,933,449 A1976
- Valve seat assembly for a steam trap7US 4,408,626 ATLV Co., Ltd. · 1983