E03D 1/04
Cisterns with bell siphons
E03D1/04 (Cisterns with bell siphons) appears on 5 US grants and 4 published applications in this corpus.
Search patents in E03D- Granted patents
- 5
- Published applications
- 4
- Assignees
- 2
- Inventors
- 7
- Latest grant
- 4 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Siphon valve4 Jul 2023US 11,692,336 B2AS America, Inc.
- Siphon valve21 Jun 2022US 11,365,533 B2AS America, Inc.
- Siphon flush apparatus5 Nov 2002US 6,473,912 B2
- Primer activated wet leg-control vented low level syphon flush for toilets11 Oct 1994US 5,353,444 A
- Syphonic flush toilet30 Oct 1990US 4,965,892 A
Most cited
By later US patents