E03C 1/2302
The actuation force being transmitted to the plug via rigid elements
Official title: {the actuation force being transmitted to the plug via rigid elements}
E03C1/2302 (The actuation force being transmitted to the plug via rigid elements) appears on 133 US grants and 128 published applications in this corpus.
Search patents in E03C- Granted patents
- 133
- Published applications
- 128
- Assignees
- 56
- Inventors
- 187
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 2 |
| 2003 | 3 | 3 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 4 |
| 2007 | 0 | 3 |
| 2008 | 1 | 3 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 3 | 3 |
| 2012 | 2 | 3 |
| 2013 | 4 | 2 |
| 2014 | 2 | 5 |
| 2015 | 3 | 3 |
| 2016 | 5 | 7 |
| 2017 | 5 | 13 |
| 2018 | 8 | 7 |
| 2019 | 14 | 12 |
| 2020 | 9 | 8 |
| 2021 | 9 | 12 |
| 2022 | 10 | 6 |
| 2023 | 8 | 8 |
| 2024 | 4 | 7 |
| 2025 | 8 | 6 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pop up stopper and seal8 Sep 2026US 12,729,527 B2Danco, Inc.
- Connection structure of ball valve of control valve for draining water out of water sink24 Feb 2026US 12,559,923 B2Greatness Sanitary Industrial Co., Ltd.
- Water stop structure of drain valve27 Jan 2026US 12,534,894 B2Tai-World Mfg.Co., Ltd
- Pop-up drain linkage device20 Jan 2026US 12,529,219 B2Guangdong Meijie Faucet Company Limited
- Bathtub drainage device25 Nov 2025US 12,480,296 B2
- Flowrate-increasing drain head and drain valve28 May 2026US 2026/0146426 A1Zhongshan Meitu Plastic Ind. Co., Ltd.
- Drain assembly28 May 2026US 2026/0146427 A1
- Connection structure of Ball valve of control valve for draining water out of water sink13 Nov 2025US 2025/0347094 A1Greatness Sanitary Industrial Co., Ltd.
- Water stop structure of drain valve13 Nov 2025US 2025/0347095 A1Tai-World Mfg.Co., Ltd
- Drain Valve Assembly11 Sep 2025US 2025/0283315 A1Tai-World Mfg.Co., Ltd
Most cited
By later US patents
- Drain assembly69US 6,058,526 AComponent Hardware Group, Inc. · 2000
- Combined faucet and drain assembly61US 6,484,330 B2Kohler Co. · 2002
- Touch pop-up stopper for basin drain45US 6,195,819 B12001
- Strainer cup for pop-up drain plug37US 4,932,082 A1990
- Drain assembly37US 6,145,136 AComponent Hardware Group, Inc. · 2000