E03B 7/04
Domestic or like local pipe systems
Official title: Domestic or like local pipe systems (domestic plumbing E03C1/02)
E03B7/04 (Domestic or like local pipe systems) appears on 209 US grants and 267 published applications in this corpus.
Search patents in E03B- Granted patents
- 209
- Published applications
- 267
- Assignees
- 115
- Inventors
- 428
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 3 |
| 2003 | 2 | 6 |
| 2004 | 3 | 9 |
| 2005 | 5 | 5 |
| 2006 | 6 | 1 |
| 2007 | 3 | 4 |
| 2008 | 2 | 4 |
| 2009 | 2 | 8 |
| 2010 | 3 | 7 |
| 2011 | 2 | 9 |
| 2012 | 4 | 10 |
| 2013 | 5 | 11 |
| 2014 | 4 | 9 |
| 2015 | 6 | 7 |
| 2016 | 8 | 13 |
| 2017 | 9 | 20 |
| 2018 | 14 | 21 |
| 2019 | 12 | 23 |
| 2020 | 20 | 28 |
| 2021 | 19 | 17 |
| 2022 | 17 | 10 |
| 2023 | 14 | 12 |
| 2024 | 10 | 12 |
| 2025 | 8 | 14 |
| 2026 | 11 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Garden hose extension kit6 Oct 2026US 12,753,586 B1
- Method for operating a temperature-controlled circulation system and temperature-controlled circulation system8 Sep 2026US 12,729,518 B2Ltz—Zentrum FüR Luft—Und Trinkwasserhygiene GmbH
- Control process for reducing water waste in water heating systems, corresponding control device and recirculation valve18 Aug 2026US 12,709,876 B2
- Circulation pump, system and method for domestic hot-water recirculation14 Jul 2026US 12,680,280 B2Grundfos Holding A/S
- Drinking and domestic water system and shut-off valve for the same23 Jun 2026US 12,662,802 B2Gebr. Kemper GmbH + Co. KG
- Valve18 Jun 2026US 2026/0168589 A1
- Fluid handling apparatus23 Apr 2026US 2026/0110158 A1
- Water conveying system, water supply and drainage system and an aircraft having a water supply and drainage system5 Mar 2026US 2026/0062142 A1Airbus Operations GmbH
- Systems and methods for optimization of connected water devices25 Dec 2025US 2025/0388488 A1Pentair, Inc.
- Water monitoring and management system in distribution networks11 Dec 2025US 2025/0376832 A1Ecova Environnement
Most cited
By later US patents
- Fluid and gas supply system317US 6,286,764 B12001
- Automated bathroom193US 4,563,780 A1986
- Dispensing system95US 4,700,884 A1987
- Electronic control device for liquids92US 4,409,694 A1983
- Thermostatically controlled bypass valve and water circulating system for same67US 6,536,464 B1Grundfos Pumps Manufacturing Corporation · 2003