Y02A 20/148
Using household water from wash basins or showers
Official title: using household water from wash basins or showers
Y02A20/148 (Using household water from wash basins or showers) appears on 58 US grants and 50 published applications in this corpus.
Search patents in Y02A- Granted patents
- 58
- Published applications
- 50
- Assignees
- 20
- Inventors
- 106
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 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 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 6 |
| 2011 | 2 | 4 |
| 2012 | 1 | 2 |
| 2013 | 3 | 4 |
| 2014 | 0 | 2 |
| 2015 | 2 | 2 |
| 2016 | 2 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 5 |
| 2019 | 0 | 4 |
| 2020 | 4 | 6 |
| 2021 | 4 | 3 |
| 2022 | 2 | 2 |
| 2023 | 2 | 0 |
| 2024 | 4 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Recirculating shower system25 Aug 2026US 12,716,219 B2Kohler Mira Limited
- Recirculating shower system13 May 2025US 12,297,631 B2Kohler Mira Limited
- Recirculating shower system31 Dec 2024US 12,180,692 B2Kohler Mira Limited
- Method for recycling water and a water recycling device10 Dec 2024US 12,163,316 B2Orbital Systems AB
- Residential grey water recycling system19 Nov 2024US 12,146,302 B2Greyter Water Systems Inc.
- Recirculating shower system6 Mar 2025US 2025/0075475 A1Kohler Mira Limited
- Excess water slot with flexible bendable pipe for water separation11 Jul 2024US 2024/0229436 A1
- Method for recycling water and a water recycling device1 Feb 2024US 2024/0035259 A1Orbital Systems AB
- Recirculating shower system18 Jan 2024US 2024/0018761 A1Kohler Mira Limited
- Residential grey water recycling system12 May 2022US 2022/0145596 A1Greyter Water Systems Inc.
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
- Domestic grey water purifier using diverter and UV filter treater with preheater53US 5,147,532 A1992
- Water recycling with solids and foam removal43US 4,197,597 AThe Water-Cyk Corporation · 1980