E03D 2201/00
Details and methods of use for water closets and urinals not otherwise
Official title: Details and methods of use for water closets and urinals not otherwise provided for
E03D2201/00 (Details and methods of use for water closets and urinals not otherwise) appears on 312 US grants and 373 published applications in this corpus.
Search patents in E03D- Granted patents
- 312
- Published applications
- 373
- Assignees
- 123
- Inventors
- 727
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 0 |
| 2003 | 3 | 7 |
| 2004 | 5 | 4 |
| 2005 | 1 | 8 |
| 2006 | 4 | 5 |
| 2007 | 3 | 6 |
| 2008 | 2 | 6 |
| 2009 | 1 | 9 |
| 2010 | 3 | 12 |
| 2011 | 4 | 12 |
| 2012 | 6 | 13 |
| 2013 | 5 | 6 |
| 2014 | 8 | 7 |
| 2015 | 9 | 18 |
| 2016 | 11 | 17 |
| 2017 | 9 | 24 |
| 2018 | 23 | 27 |
| 2019 | 32 | 15 |
| 2020 | 13 | 23 |
| 2021 | 18 | 28 |
| 2022 | 20 | 28 |
| 2023 | 25 | 26 |
| 2024 | 19 | 17 |
| 2025 | 17 | 33 |
| 2026 | 15 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems for human waste collection and processing29 Sep 2026US 12,747,570 B2Hamilton Sundstrand Space Systems International, Inc.
- Systems for human waste collection and processing1 Sep 2026US 12,723,392 B2Hamilton Sundstrand Space Systems International, Inc.
- Flush engine11 Aug 2026US 12,703,971 B2Kohler Co.
- Multi-head fluidic oscillators4 Aug 2026US 12,698,623 B2Kohler Co.
- Fluidics devices for plumbing fixtures2 Jun 2026US 12,644,268 B2Kohler Co.
- Flush toilet1 Oct 2026US 2026/0297917 A1Toto Ltd.
- Fluidics devices for plumbing fixtures17 Sep 2026US 2026/0275697 A1Kohler Co.
- Flush toilet3 Sep 2026US 2026/0258647 A1Toto Ltd.
- Flush toilet3 Sep 2026US 2026/0258648 A1Toto Ltd.
- Test member for urine test, and toilet comprising same6 Aug 2026US 2026/0227380 A1Esmart (Xiamen) Technology Co., Ltd.
Most cited
By later US patents
- Water closet flushing apparatus71US 5,315,719 AToto Ltd. · 1994
- Self-cleaning toilet56US 4,183,105 A1980
- Nonrecirculating vacuum flush toilet system utilizing fresh water51US 4,521,925 AThe Boeing Company · 1985
- Water closet flushing apparatus50US 5,133,089 AToto Ltd. · 1992
- Siphon-jet flush water supply system for toilet stool47US 5,502,845 AToto Ltd. · 1996