E03D 11/04
Bowls of flat shape with only slightly inclined bottom
Official title: Bowls of flat shape with only slightly inclined bottom {; Squat-type closets}
E03D11/04 (Bowls of flat shape with only slightly inclined bottom) appears on 20 US grants and 24 published applications in this corpus.
Search patents in E03D- Granted patents
- 20
- Published applications
- 24
- Assignees
- 14
- Inventors
- 63
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 2 |
| 2019 | 4 | 0 |
| 2020 | 1 | 6 |
| 2021 | 1 | 2 |
| 2022 | 0 | 2 |
| 2023 | 4 | 4 |
| 2024 | 0 | 0 |
| 2025 | 3 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adaptable toilet systems and methods24 Mar 2026US 12,583,588 B2The Boeing Company
- Closestool type urine and excrement detection robot and internet-of-things system28 Oct 2025US 12,453,537 B2
- Flushing method for toilet, and flushing toilet7 Oct 2025US 12,435,500 B2
- Toilet module11 Mar 2025US 12,245,727 B2
- Special urinal, squatting pan and pedestal pan24 Oct 2023US 11,795,678 B1Baoma Yixuan Electronic Commerce (Tianjin) Co., Ltd.
- Adaptable toilet systems and methods17 Jul 2025US 2025/0229897 A1The Boeing Company
- Toilet and waste discharge device thereof10 Apr 2025US 2025/0116101 A1Quanzhou Komoo Intelligent Kitchen & Bath Co., Ltd
- Dynamic flushing method for toilet, and dynamic-flushing-type deodorization splash-proof toilet without water tank2 Nov 2023US 2023/0349137 A1
- Special urinal, squatting pan and pedestal pan12 Oct 2023US 2023/0323650 A1Baoma Yixuan Electronic Commerce (Tianjin) Co., Ltd.
- Closestool Type Urine and Excrement Detection Robot and Internet-Of-Things System27 Apr 2023US 2023/0129932 A1Xiamen Brana Design Co., Ltd.
Most cited
By later US patents
- Sitting-squatting water closet26US 4,012,797 AThe Boeing Company · 1977
- Method and apparatus for defecation and urination10US 7,987,529 B12011
- Water-conserving toilet9US 4,407,025 A1983
- Flush toilet capable of correcting defecation posture7US 10,292,549 B22019
- Squat-type water closet4US 4,130,907 AJosam Manufacturing Co. · 1978