E03D 1/36
Associated working of inlet and outlet valves
E03D1/36 (Associated working of inlet and outlet valves) appears on 106 US grants and 95 published applications in this corpus.
Search patents in E03D- Granted patents
- 106
- Published applications
- 95
- Assignees
- 42
- Inventors
- 155
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 3 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 1 | 5 |
| 2014 | 3 | 0 |
| 2015 | 2 | 1 |
| 2016 | 1 | 8 |
| 2017 | 8 | 9 |
| 2018 | 5 | 6 |
| 2019 | 8 | 7 |
| 2020 | 3 | 6 |
| 2021 | 6 | 13 |
| 2022 | 8 | 4 |
| 2023 | 4 | 4 |
| 2024 | 6 | 5 |
| 2025 | 3 | 3 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flush toilet device2 Jun 2026US 12,644,266 B2Toto Ltd.
- Clean toilet and accessories26 May 2026US 12,637,851 B2Kohler Co.
- Clean toilet and accessories21 Apr 2026US 12,607,000 B2Kohler Co.
- Seat waterway system, seat structure, toilet, waterway diverting structure, and seat mechanism24 Feb 2026US 12,559,927 B2Kohler (China) Investmentco., Ltd.
- Flushometer system14 Oct 2025US 12,442,168 B2Sloan Valve Company
- Clean toilet and accessories10 Sep 2026US 2026/0266036 A1Kohler Co.
- Hydraulically controlled flushing device20 Aug 2026US 2026/0243073 A1Aspic
- Flushometer System23 Apr 2026US 2026/0110161 A1Sloan Valve Company
- Flushing device and toilet bowl29 Jan 2026US 2026/0028810 A1Fortune Brands Innovations (Shanghai) Co. Ltd.
- Hidden water tank device13 Mar 2025US 2025/0084627 A1Kohler (China) Investment Co., Ltd.
Most cited
By later US patents
- Universal positive shut off, metered water control system for use with flush toilet tanks43US 5,134,729 A1992
- Toilet tank ballcock with detent arm32US 5,211,204 AMoen Incorporated · 1993
- Clean toilet and accessories30US 10,450,733 B2Kohler Co. · 2019
- Ball cock assembly float with drain openings27US 5,287,882 AMoen Incorporated · 1994
- Inlet valve mechanism27US 5,742,951 ACaroma Industries Limited · 1998