E03B 9/16
Devices for retaining foreign matter
Official title: Devices for retaining foreign matter, e.g. sand
E03B9/16 (Devices for retaining foreign matter) appears on 27 US grants and 30 published applications in this corpus.
Search patents in E03B- Granted patents
- 27
- Published applications
- 30
- Assignees
- 11
- Inventors
- 38
- Latest grant
- 2 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 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 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 4 |
| 2007 | 3 | 3 |
| 2008 | 1 | 4 |
| 2009 | 3 | 5 |
| 2010 | 5 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 3 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Backflow preventer and system separator especially for fire-fighting applications2 Aug 2022US 11,401,702 B2AWG Fittings GmbH
- Hydrant shear valve and method10 Sep 2019US 10,407,882 B2Mueller International, LLC
- Backflow preventer valve7 Mar 2017US 9,587,752 B2
- Anchor valve for security3 Jan 2017US 9,534,359 B2Mueller International, LLC
- Flushing hydrant4 Oct 2016US 9,458,609 B2Mueller International, LLC
- A backflow preventer, a hose coupling of a hydrant and a hydrant4 Nov 2021US 2021/0340742 A1Vonroll Infratec (Investment) AG
- Backflow Preventer and System Separator Especially for Fire-Fighting Applications5 Aug 2021US 2021/0238830 A1AWG Fittings GmbH
- Hydrant shear valve and method21 Jun 2018US 2018/0171606 A1Ksj Valve Company, LLC
- Fire hydrant security integrated flow control/backflow preventer insert valve14 Apr 2016US 2016/0101307 A1SIVAN Valves, LLC
- Anchor valve for security21 Aug 2014US 2014/0230916 A1Mueller International, LLC
Most cited
By later US patents
- Flushing hydrant25US 9,458,609 B2Mueller International, LLC · 2016
- Fire hydrant automatic shut-off valve22US 6,401,745 B12002
- Fire hydrant break off valve20US 8,991,415 B12015
- Fire hydrant with second valve17US 6,868,860 B2Davidson Hydrant Technologies, Inc. · 2005
- Backflow prevention system17US 6,910,495 B22005