E03D 1/012
Details of shape of cisterns
Official title: Details of shape of cisterns, e.g. for connecting to wall, for supporting or connecting flushing-device actuators {(mounting frames with incorporated cisterns E03D11/146)}
E03D1/012 (Details of shape of cisterns) appears on 43 US grants and 48 published applications in this corpus.
Search patents in E03D- Granted patents
- 43
- Published applications
- 48
- Assignees
- 23
- Inventors
- 106
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 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 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 4 |
| 2016 | 2 | 1 |
| 2017 | 1 | 2 |
| 2018 | 4 | 7 |
| 2019 | 4 | 2 |
| 2020 | 4 | 3 |
| 2021 | 3 | 6 |
| 2022 | 3 | 5 |
| 2023 | 5 | 4 |
| 2024 | 0 | 2 |
| 2025 | 6 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pneumatic drain valve driving device2 Jun 2026US 12,644,267 B2Kohler (China) Investment Co., Ltd.
- Flush toilet16 Dec 2025US 12,497,771 B2Toto Ltd.
- Flush valve and toilet assembly7 Oct 2025US 12,435,502 B2AS America, Inc.
- Water-saving siphonic toilet and equalization system therefor6 May 2025US 12,291,857 B2P & C Hennessy Holdings, Inc.
- Flush water tank device and flush toilet apparatus provided with the same25 Mar 2025US 12,258,744 B2Toto Ltd.
- Pneumatic drain valve driving device17 Sep 2026US 2026/0275694 A1Kohler (China) Investment Co., Ltd.
- Wall-hung flush toilet9 Jul 2026US 2026/0193874 A1Toto Ltd.
- Flush toilet5 Mar 2026US 2026/0062904 A1Toto Ltd.
- WC Device With a WC Body Having a Porous Inner Surface27 Feb 2025US 2025/0067037 A1Viega Technology GmbH & Co. KG
- Cover system for a toilet tank16 Jan 2025US 2025/0019953 A1Kohler Co.
Most cited
By later US patents
- Toilet tank top with easy access to drop in deodorizing discs22US 6,651,260 B12003
- Actuating means for water closet flush tank10US 3,968,525 AUniversal-Rundle Corporation · 1976
- Adaptable shroud for toilet plumbing riser10US 9,297,154 B2Behavioral Safety Products, LLC · 2016
- Fixing device for wall-mounted type toilet and toilet system9US 10,358,805 B2Toto Ltd. · 2019
- Toilet and toilet apparatus7US 10,526,775 B2Toto Ltd. · 2020