Y10T 137/5532
Reciprocating relatively fixed valves
Y10T137/5532 (Reciprocating relatively fixed valves) appears on 21 US grants and 6 published applications in this corpus.
Search patents in Y10T- Granted patents
- 21
- Published applications
- 6
- Assignees
- 6
- Inventors
- 16
- Latest grant
- 16 Oct 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Fire hydrant operating nut and method for lubricating the operating nut16 Oct 2018US 10,099,079 B2Sigelock Systems, L.L.C.
- Fire hydrant control valve11 Aug 2015US 9,103,101 B2Sigelock Systems, L.L.C.
- Fire hydrant control valve4 Feb 2014US 8,640,728 B2Sigelock Systems, L.L.C.
- Yard hydrant with improved valve2 Apr 2013US 8,408,238 B1
- Flushing device with removable drain ring for potable water systems27 Nov 2012US 8,316,876 B2John C. Kupferle Foundry Company
- Fire Hydrant Operating Nut and Method for Lubricating the Operating Nut11 Feb 2016US 2016/0038776 A1Sigelock Systems, L.L.C.
- Fire hydrant control valve29 May 2014US 2014/0144516 A1Sigelock Systems, L.L.C.
- Fire hydrant control valve1 Dec 2011US 2011/0290325 A1Sigelock Systems, L.L.C.
- Flushing device with removable drain ring for potable water systems21 Jan 2010US 2010/0012198 A1John C. Kupferle Foundry Company
- Air valve assembly for a fire hydrant31 Mar 2005US 2005/0067016 A1
Most cited
By later US patents
- Fire hydrant with drain valve and backflow preventer mechanism72US 3,980,097 AMueller Co. · 1976
- Fire hydrant24US 3,980,096 AMueller Co. · 1976
- Fire hydrant with improved shoe and valve23US 4,227,544 AMueller Co. · 1980
- Fire hydrant with improved shoe and valve20US 4,177,826 AMueller Co. · 1979
- Freeze-proof hydrant16US 4,971,097 AAmtrol Inc. · 1990