E03B 1/041
Greywater supply systems
Official title: {Greywater supply systems}
E03B1/041 (Greywater supply systems) appears on 305 US grants and 388 published applications in this corpus.
Search patents in E03B- Granted patents
- 305
- Published applications
- 388
- Assignees
- 145
- Inventors
- 673
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 9 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 3 |
| 2004 | 4 | 8 |
| 2005 | 5 | 3 |
| 2006 | 8 | 5 |
| 2007 | 3 | 2 |
| 2008 | 0 | 14 |
| 2009 | 2 | 11 |
| 2010 | 2 | 19 |
| 2011 | 5 | 19 |
| 2012 | 8 | 16 |
| 2013 | 10 | 19 |
| 2014 | 5 | 20 |
| 2015 | 8 | 12 |
| 2016 | 11 | 25 |
| 2017 | 24 | 21 |
| 2018 | 17 | 22 |
| 2019 | 14 | 22 |
| 2020 | 22 | 34 |
| 2021 | 20 | 18 |
| 2022 | 14 | 29 |
| 2023 | 17 | 17 |
| 2024 | 20 | 26 |
| 2025 | 15 | 15 |
| 2026 | 10 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for evaporative loss compensation and water storage system for swimming pools8 Sep 2026US 12,729,517 B2
- Recirculating shower system25 Aug 2026US 12,716,219 B2Kohler Mira Limited
- Fluid recycling unit for aircraft11 Aug 2026US 12,703,648 B2MAG Aerospace Industries, LLC
- Wash basin with dual outlet openings split by a small partition of two extending ends for water separation11 Aug 2026US 12,703,970 B2
- Recycled water system16 Jun 2026US 12,655,616 B2Kohler Co.
- Recycled water system17 Sep 2026US 2026/0275688 A1Kohler Co.
- Shower Systems and Related Methods17 Sep 2026US 2026/0275689 A1Sabbatical Designs LLC
- Bathroom system20 Aug 2026US 2026/0243065 A1Kohler Co.
- A water tank arrangement and a method arranged to circulate waste water in response to a predetermined temperature20 Aug 2026US 2026/0243076 A1E3 Equipment AB
- Trailer type mobile toilet4 Jun 2026US 2026/0152935 A1
Most cited
By later US patents
- Process and system for recycling and reusing gray water104US 5,868,937 AMainstream Engineering Corporation · 1999
- Water reuse system89US 4,162,218 A1979
- Gray-water reclamation and reuse system73US 5,106,493 A1992
- Water reclamation system for landscape irrigation54US 5,192,426 A1993
- Domestic grey water purifier using diverter and UV filter treater with preheater53US 5,147,532 A1992