E03C 1/242
Automatically actuating supply or draining valves
Official title: automatically actuating supply or draining valves
E03C1/242 (Automatically actuating supply or draining valves) appears on 38 US grants and 42 published applications in this corpus.
Search patents in E03C- Granted patents
- 38
- Published applications
- 42
- Assignees
- 23
- Inventors
- 71
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 0 | 1 |
| 2004 | 2 | 3 |
| 2005 | 2 | 2 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 2 | 3 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 2 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 4 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 2 | 0 |
| 2021 | 1 | 5 |
| 2022 | 2 | 0 |
| 2023 | 4 | 2 |
| 2024 | 2 | 3 |
| 2025 | 2 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Drain system for bathtub12 Aug 2025US 12,385,241 B2Kohler Co.
- Automatic drain system15 Jul 2025US 12,359,411 B2B/E Aerospace, Inc.
- Drain unit15 Oct 2024US 12,116,761 B2Sanei Co., Ltd.
- Automatic drain system20 Feb 2024US 11,905,693 B2B/E Aerospace, Inc.
- Water level control system10 Oct 2023US 11,781,673 B2Keto, A.I., Inc.
- Flood prevention device30 Jul 2026US 2026/0218502 A1
- Flowrate-increasing drain valve28 May 2026US 2026/0146428 A1Zhongshan Meitu Plastic Ind. Co., Ltd.
- Automatic bathtub overflow drain sensor and shutoff system7 May 2026US 2026/0125886 A1
- Drain system for bathtub13 Nov 2025US 2025/0347096 A1Kohler Co.
- Systems and methods of filling and draining plumbing fixtures26 Sep 2024US 2024/0318414 A1Kohler Co.
Most cited
By later US patents
- Automatic bathtub water level control system107US 4,042,984 AAmerican Bath and Shower Corporation · 1977
- Variable temperature electronic water supply system82US 5,504,950 AAdams Rite Sabre International · 1996
- Device for controlling the filling of a sanitary tub57US 6,473,917 B1Franz Kaldewei GmbH & Co. KG · 2002
- Bath drain closure assembly46US 7,451,502 B2WCM Industries, Inc. · 2008
- Bath water level control system37US 4,258,444 AFriedrich Grohe Armaturenfabrik GmbH & Co. · 1981