E03B 1/048
Systems for collecting not used fresh water
Official title: {Systems for collecting not used fresh water}
E03B1/048 (Systems for collecting not used fresh water) appears on 84 US grants and 103 published applications in this corpus.
Search patents in E03B- Granted patents
- 84
- Published applications
- 103
- Assignees
- 38
- Inventors
- 167
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 3 |
| 2005 | 0 | 1 |
| 2006 | 2 | 3 |
| 2007 | 1 | 3 |
| 2008 | 0 | 4 |
| 2009 | 3 | 10 |
| 2010 | 2 | 3 |
| 2011 | 3 | 7 |
| 2012 | 4 | 3 |
| 2013 | 2 | 4 |
| 2014 | 3 | 4 |
| 2015 | 3 | 4 |
| 2016 | 3 | 4 |
| 2017 | 0 | 6 |
| 2018 | 7 | 6 |
| 2019 | 5 | 9 |
| 2020 | 7 | 11 |
| 2021 | 5 | 3 |
| 2022 | 7 | 5 |
| 2023 | 2 | 2 |
| 2024 | 2 | 3 |
| 2025 | 3 | 3 |
| 2026 | 1 | 1 |
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.
- Sanitary system for instant hot water16 Sep 2025US 12,416,137 B2Heau BV
- Systems and methods for point of use water modification19 Aug 2025US 12,392,115 B2The Procter & Gamble Company
- Efficient showerhead with purge outlet15 Apr 2025US 12,275,023 B2Am Conservation Group
- Water conservation system4 Jun 2024US 12,000,121 B2
- Fluid handling apparatus23 Apr 2026US 2026/0110158 A1
- Recirculation system using wireless power2 Oct 2025US 2025/0305684 A1Rheem Manufacturing Company
- Wait water collection system4 Sep 2025US 2025/0277356 A1
- Efficient showerhead with purge outlet22 May 2025US 2025/0161961 A1Am Conservation Group
- Dual-port showerhead for use in recirculating showers29 Aug 2024US 2024/0286150 A1Pledge Resource Managers Inc. Dba Rainstick Shower
Most cited
By later US patents
- Water conservation delivery system using temperature-controlled by-pass circuit72US 5,564,462 A1996
- Hot water demand appliance and system53US 5,385,168 AACT Distribution, Inc. · 1995
- Process and apparatus for recycling water in a hot water supply system50US 6,588,377 B12003
- Water conservation system31US 5,339,859 A1994
- Diverter apparatus and method for saving fresh water27US 5,165,456 A1992