E03D 1/34
Flushing valves for outlets
Official title: Flushing valves for outlets; Arrangement of outlet valves
E03D1/34 (Flushing valves for outlets) appears on 295 US grants and 309 published applications in this corpus.
Search patents in E03D- Granted patents
- 295
- Published applications
- 309
- Assignees
- 91
- Inventors
- 458
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 2 |
| 2003 | 2 | 3 |
| 2004 | 2 | 7 |
| 2005 | 5 | 6 |
| 2006 | 0 | 10 |
| 2007 | 4 | 3 |
| 2008 | 0 | 5 |
| 2009 | 2 | 6 |
| 2010 | 6 | 14 |
| 2011 | 3 | 10 |
| 2012 | 8 | 10 |
| 2013 | 6 | 12 |
| 2014 | 8 | 10 |
| 2015 | 10 | 20 |
| 2016 | 13 | 16 |
| 2017 | 20 | 8 |
| 2018 | 15 | 17 |
| 2019 | 17 | 16 |
| 2020 | 16 | 15 |
| 2021 | 19 | 25 |
| 2022 | 16 | 21 |
| 2023 | 9 | 21 |
| 2024 | 25 | 13 |
| 2025 | 17 | 24 |
| 2026 | 10 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Connected faucet systems25 Aug 2026US 12,716,221 B2AS America, Inc.
- Flush engine11 Aug 2026US 12,703,971 B2Kohler Co.
- Omni configured flapper systems and packaging7 Jul 2026US 12,673,810 B2Fluidmaster, Inc.
- Cistern system, apparatus and method7 Jul 2026US 12,674,308 B2Fluidmaster, Inc.
- Flush toilet device2 Jun 2026US 12,644,266 B2Toto Ltd.
- Flush toilet1 Oct 2026US 2026/0297917 A1Toto Ltd.
- Toilet24 Sep 2026US 2026/0286672 A1Kohler Co.
- Pneumatic drain valve driving device17 Sep 2026US 2026/0275694 A1Kohler (China) Investment Co., Ltd.
- Reconfigurable flapper for different sized flush valves16 Jul 2026US 2026/0201684 A1Lavelle Industries, Inc.
- Toilet water treament4 Jun 2026US 2026/0152936 A1Kohler Co.
Most cited
By later US patents
- Automatic tank-type flusher48US 6,263,519 B1Arichell Technologies, Inc. · 2001
- Toilet assembly25US 6,715,162 B2American Standard Inc. · 2004
- Discharge valve24US 5,926,861 ADerwent MacDee Limited · 1999
- Flush valve mounting for toilets23US 4,357,720 AGeberit AG · 1982
- High performance flush valve assembly20US 6,728,975 B2American Standard Inc. · 2004