E03B 9/18
Cleaning tools for hydrants
E03B9/18 (Cleaning tools for hydrants) appears on 13 US grants and 13 published applications in this corpus.
Search patents in E03B- Granted patents
- 13
- Published applications
- 13
- Assignees
- 4
- Inventors
- 12
- Latest grant
- 27 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 0 |
| 2016 | 3 | 2 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Flow suppression device27 Aug 2024US 12,071,997 B2
- Flow suppression device14 Feb 2023US 11,578,778 B2
- Valve rod isolation apparatus and assembly21 Sep 2021US 11,124,952 B2
- Fire hydrant cleaning device1 Aug 2017US 9,719,222 B2The Plug Hug, LLC
- Method and maintenance system for testing and clearing freezeless water hydrants20 Dec 2016US 9,523,624 B2
- Flow suppression device11 May 2023US 2023/0147788 A1
- Valve rod isolation apparatus and assembly3 Dec 2020US 2020/0378095 A1
- Flow suppression device12 Dec 2019US 2019/0376577 A1
- Hydrostatic pressure washer13 Jun 2019US 2019/0177955 A1Prestigious Innovations, LLC
- Portable flushing monitor23 Nov 2017US 2017/0336380 A1John C. Kupferle Foundry Company
Most cited
By later US patents