E03B 11/16
Adaptations of devices for putting pumping plants in and out of operation
Official title: Adaptations of devices for putting pumping plants in and out of operation, e.g. automatic control devices {(not used, documents in F04)}
E03B11/16 (Adaptations of devices for putting pumping plants in and out of operation) appears on 6 US grants and 4 published applications in this corpus.
Search patents in E03B- Granted patents
- 6
- Published applications
- 4
- Assignees
- 6
- Inventors
- 13
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 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 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water quality monitoring method for water supply system, water supply system, and refrigeration apparatus3 Feb 2026US 12,540,935 B2Hefei Hualing Co., Ltd.
- Spring-loaded float tree and float tree assembly30 May 2023US 11,661,733 B2Zoeller Pump Company, LLC
- Flood water retention assembly5 Nov 2019US 10,465,409 B1
- Apparatus, system and method for utilizing thermal energy22 Jan 2019US 10,184,229 B2
- Multiple level floor flange apparatus and associated method3 Sep 2002US 6,443,495 B1Jet Plumbing Products, Inc.
- Water quality monitoring method for water supply system, water supply system, and refrigeration apparatus23 Jun 2022US 2022/0196626 A1Hefei Hualing Co., Ltd.
- Spring-loaded float tree and float tree assembly9 Jun 2022US 2022/0178132 A1Zoeller Pump Company, LLC
- Electronic Water Distribution Center With Electronic Drain Network16 Jul 2020US 2020/0224394 A1
- Apparatus, system and method for utilizing thermal energy25 Feb 2016US 2016/0053469 A1
Most cited
By later US patents
- Multiple level floor flange apparatus and associated method46US 6,443,495 B1Jet Plumbing Products, Inc. · 2002
- Flood water retention assembly4US 10,465,409 B12019
- Apparatus, system and method for utilizing thermal energy2US 10,184,229 B22019
- Adjustable bury tank for water system1US 5,901,734 AK & M Industries · 1999