E03D 3/10
Flushing devices with pressure-operated reservoir
Official title: Flushing devices with pressure-operated reservoir, e.g. air chamber
E03D3/10 (Flushing devices with pressure-operated reservoir) appears on 132 US grants and 123 published applications in this corpus.
Search patents in E03D- Granted patents
- 132
- Published applications
- 123
- Assignees
- 54
- Inventors
- 254
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 1 |
| 2003 | 3 | 2 |
| 2004 | 2 | 5 |
| 2005 | 2 | 4 |
| 2006 | 2 | 6 |
| 2007 | 2 | 2 |
| 2008 | 2 | 1 |
| 2009 | 2 | 3 |
| 2010 | 2 | 11 |
| 2011 | 0 | 1 |
| 2012 | 3 | 1 |
| 2013 | 2 | 3 |
| 2014 | 3 | 2 |
| 2015 | 1 | 4 |
| 2016 | 2 | 2 |
| 2017 | 4 | 4 |
| 2018 | 3 | 6 |
| 2019 | 2 | 6 |
| 2020 | 5 | 8 |
| 2021 | 6 | 3 |
| 2022 | 5 | 10 |
| 2023 | 5 | 14 |
| 2024 | 11 | 8 |
| 2025 | 9 | 6 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flush valve position detection3 Feb 2026US 12,540,688 B2B/E Aerospace, Inc.
- System and method for flushing an object13 Jan 2026US 12,523,029 B2P & C Hennessy Holdings, Inc.
- Water supply and distribution system on-board an aircraft and method for operating such system30 Dec 2025US 12,509,865 B2Airbus Operations GmbH
- Quiet flush actuator for pressure-assist toilets30 Dec 2025US 12,509,868 B2Kohler Co.
- Human waste propulsion system30 Dec 2025US 12,509,869 B2Floosh, Inc.
- Toilet24 Sep 2026US 2026/0286672 A1Kohler Co.
- Vacuum assist flush system16 Jul 2026US 2026/0201687 A1AS America, Inc.
- Piston toilet4 Jun 2026US 2026/0152934 A1Kohler India Corporation Private Limited
- Quiet flush actuator for pressure-assist toilets16 Apr 2026US 2026/0103877 A1Kohler Co.
- Venturi source for vacuum asisst flush9 Apr 2026US 2026/0098401 A1Kohler Co.
Most cited
By later US patents
- Pressure flush tank for toilets49US 4,233,698 AWater Control Products/N.A., Inc. · 1980
- Pressurized flush toilet tank33US 5,046,201 AKohler Co. · 1991
- Flushing device for a lavatory32US 7,096,517 B2Geberit Technik AG · 2006
- Pneumatic assisted flushing apparatus for toilets31US 4,232,409 A1980
- Hydraulically controlled pressurized water closet flushing system26US 5,361,426 AW/C Technology Corporation · 1994