E03B 7/077
Arrangement of backflow preventing devices
Official title: {Arrangement of backflow preventing devices}
E03B7/077 (Arrangement of backflow preventing devices) appears on 125 US grants and 137 published applications in this corpus.
Search patents in E03B- Granted patents
- 125
- Published applications
- 137
- Assignees
- 57
- Inventors
- 188
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 1 |
| 2002 | 2 | 3 |
| 2003 | 5 | 2 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 3 | 1 |
| 2007 | 0 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 3 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 3 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 3 |
| 2016 | 5 | 2 |
| 2017 | 5 | 8 |
| 2018 | 4 | 7 |
| 2019 | 8 | 7 |
| 2020 | 5 | 10 |
| 2021 | 6 | 15 |
| 2022 | 10 | 17 |
| 2023 | 18 | 15 |
| 2024 | 10 | 13 |
| 2025 | 11 | 10 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Check valve for backflow preventer8 Sep 2026US 12,729,774 B2Zurn Water, LLC
- Pressure compensation systems, liquid supply systems and methods using the same14 Apr 2026US 12,601,413 B2Watts Regulator Co.
- Modular valve assemblies with optional swing out14 Apr 2026US 12,601,415 B2Australian Valve Group Pty Ltd
- Relief valve assembly14 Apr 2026US 12,601,418 B2Zurn Water, LLC
- Check cover assemblies for backflow prevention assemblies with integrated test cock protection shroud31 Mar 2026US 12,590,641 B2Watts Regulator Co.
- Stacked backflow preventer10 Sep 2026US 2026/0266032 A1
- Fluid conduit evacuation systems, methods, and apparatus23 Jul 2026US 2026/0210092 A1
- Dedicated monitoring and reporting apparatuses for a backflow preventer (bfp) of a reduced pressure zone (rpz) type, a report apparatus for preventing conversion and predictive maintenance, detecting turbidity in the water, and indicating sanitary condition of the bfp based on data analysis of discharged water with continuous monitoring30 Apr 2026US 2026/0117889 A1
- Wireless backflow alert system9 Apr 2026US 2026/0098594 A1Watts Regulator Co.
- Fluid detection systems and methods using the same19 Mar 2026US 2026/0079067 A1
Most cited
By later US patents
- Spring return check valve63US 6,050,294 AVal-Matic Valve & Manufacturing Corp. · 2000
- Short-length reduced-pressure backflow preventor60US 6,546,946 B2United Dominion Industries, Inc. · 2003
- Backflow preventer with failure indicator53US 5,404,905 A1995
- Backflow preventer valve46US 6,513,543 B1Zurn Industries, LLC · 2003
- Backflow preventer apparatus and method with integration of shut-off valves44US 6,349,736 B1CMB Industries, Inc. · 2002