E03D 11/13
Parts or details of bowls
Official title: Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls {, e.g. provisions in bowl construction preventing backflow of waste-water from the bowl in the flushing pipe or cistern, provisions for a secondary flushing, for noise-reducing}
E03D11/13 (Parts or details of bowls) appears on 697 US grants and 763 published applications in this corpus.
Search patents in E03D- Granted patents
- 697
- Published applications
- 763
- Assignees
- 213
- Inventors
- 1,267
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 12 | 0 |
| 1993 | 11 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 17 | 0 |
| 2001 | 8 | 3 |
| 2002 | 11 | 4 |
| 2003 | 8 | 14 |
| 2004 | 11 | 12 |
| 2005 | 5 | 19 |
| 2006 | 6 | 10 |
| 2007 | 4 | 13 |
| 2008 | 6 | 8 |
| 2009 | 2 | 13 |
| 2010 | 9 | 15 |
| 2011 | 8 | 20 |
| 2012 | 13 | 12 |
| 2013 | 16 | 25 |
| 2014 | 16 | 21 |
| 2015 | 23 | 41 |
| 2016 | 27 | 33 |
| 2017 | 28 | 40 |
| 2018 | 48 | 59 |
| 2019 | 48 | 50 |
| 2020 | 32 | 66 |
| 2021 | 44 | 50 |
| 2022 | 41 | 58 |
| 2023 | 34 | 47 |
| 2024 | 49 | 45 |
| 2025 | 36 | 54 |
| 2026 | 26 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Shifter and toilet25 Aug 2026US 12,716,224 B2Quanzhou Komoo Intelligent Kitchen & Bath Co., Ltd
- Telescopic drain pipe25 Aug 2026US 12,716,531 B1Zhongshan Meitu Plastic Ind. Co., Ltd.
- Multi-head fluidic oscillators4 Aug 2026US 12,698,623 B2Kohler Co.
- Ventilation connector and exhaust flange28 Jul 2026US 12,692,690 B1
- Toilet ring device21 Jul 2026US 12,687,003 B1
- Sealing ring for toilet8 Oct 2026US 2026/0308899 A1
- Personal Health Tracker for Measuring Gas Produced by Gut Microbiota8 Oct 2026US 2026/0309591 A1
- Toilet17 Sep 2026US 2026/0275698 A1Duravit Aktiengesellschaft
- System, Method and Apparatus for Forming Machine Learning Sessions10 Sep 2026US 2026/0263052 A1Toi Labs, Inc.
- Toilet assembly10 Sep 2026US 2026/0266038 A1Dometic Sweden AB
Most cited
By later US patents
- Protective flange cover and method of use103US 4,233,697 A1980
- Method of using a toilet-flange cast-in mount101US 4,918,761 A1990
- Water closet fitting installation assembly89US 6,085,362 A2000
- Toilet flange88US 5,377,361 A1995
- Toilet bowl gasket of rubberlike material having compressible concentric ridge rings on both sides73US 4,482,161 APlastic Oddities, Inc. · 1984