E03C 1/01
Domestic plumbing installations for fresh water or waste water: for combinations of
Official title: for combinations of baths, showers, sinks, wash-basins, closets, urinals, or the like {(combinations of baths, showers or the like A47K4/00; cell-like units for special technical purposes E04B1/34869; panels adapted for locating conduits E04C2/52; ducts for installation lines E04F17/08)}
E03C1/01 (Domestic plumbing installations for fresh water or waste water: for combinations of) appears on 130 US grants and 104 published applications in this corpus.
Search patents in E03C- Granted patents
- 130
- Published applications
- 104
- Assignees
- 67
- Inventors
- 254
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 7 |
| 2012 | 2 | 3 |
| 2013 | 1 | 8 |
| 2014 | 3 | 6 |
| 2015 | 7 | 5 |
| 2016 | 3 | 3 |
| 2017 | 5 | 5 |
| 2018 | 4 | 7 |
| 2019 | 6 | 7 |
| 2020 | 7 | 12 |
| 2021 | 5 | 11 |
| 2022 | 13 | 7 |
| 2023 | 6 | 3 |
| 2024 | 4 | 2 |
| 2025 | 3 | 4 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hand and foot sink apparatus5 May 2026US 12,618,234 B1
- Method for water saving by retrofitting an institutional plumbing fixture and plumbing fixture made by such method3 Feb 2026US 12,540,459 B1
- Sitting toilet having foot health care device attached thereto23 Dec 2025US 12,502,038 B2
- Apparatus for water filtration, ozone, and ultraviolet disinfection4 Nov 2025US 12,459,845 B1Blu Technology LLC
- Portable water treatment device19 Aug 2025US D1,089,524 S1Blu Technology LLC · Design
- Assistive Hygiene Station2 Oct 2025US 2025/0302241 A1MAG Industries, LLC
- Personal hygiene capsule and methods of using same17 Apr 2025US 2025/0120880 A1Alpha Cleantech Labs Inc.
- Lavatory hand dryer6 Feb 2025US 2025/0040767 A1B/E Aerospace, Inc.
- Water level sensor, water storage tank, and circulating water treatment apparatus6 Feb 2025US 2025/0044137 A1Wota Corp.
- System and method for recovering and reusing graywater12 Dec 2024US 2024/0410140 A1Kohler (China) Investment Co., Ltd.
Most cited
By later US patents
- Multi-lavatory system67US 5,611,093 ABradley Corporation · 1997
- Compact personal hygiene center66US 4,680,817 A1987
- Space saver wall insert for appliances55US 5,359,820 A1994
- Lavatory system55US 8,950,019 B2Bradley Fixtures Corporation · 2015
- Multi-lavatory system52US 5,369,818 ABradley Corporation · 1994