E03D 1/308
With articulated valves
Official title: {with articulated valves (E03D1/306 takes precedence)}
E03D1/308 (With articulated valves) appears on 35 US grants and 20 published applications in this corpus.
Search patents in E03D- Granted patents
- 35
- Published applications
- 20
- Assignees
- 12
- Inventors
- 57
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 3 | 2 |
| 2018 | 2 | 4 |
| 2019 | 2 | 1 |
| 2020 | 4 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Seat waterway system, seat structure, toilet, waterway diverting structure, and seat mechanism24 Feb 2026US 12,559,927 B2Kohler (China) Investmentco., Ltd.
- Fill valve with tank9 Jan 2024US 11,866,919 B2
- Toilet flush valve assemblies18 May 2021US 11,008,743 B2AS America, Inc.
- Seal surface adapter for use with toilet flush valves8 Dec 2020US 10,859,165 B2Lavelle Industries, Inc.
- Toilet plunger structure16 Jun 2020US 10,683,650 B1Chintuo Industrial Co., Ltd.
- Flowrate-increasing drain valve28 May 2026US 2026/0146428 A1Zhongshan Meitu Plastic Ind. Co., Ltd.
- Seat waterway system, seat structure, toilet, waterway diverting structure, and seat mechanism31 Oct 2024US 2024/0360655 A1Kohler (China) Investment Co., Ltd.
- Fill valve with tank2 Mar 2023US 2023/0064785 A1
- Flush toilet14 Jul 2022US 2022/0220717 A1AS America, Inc.
- Toilet flush valve assemblies31 Jan 2019US 2019/0032317 A1AS IP Holdco, LLC
Most cited
By later US patents