E03D 1/33
Adaptations or arrangements of floats
Official title: Adaptations or arrangements of floats (actuating-floats in general F16K33/00)
E03D1/33 (Adaptations or arrangements of floats) appears on 77 US grants and 79 published applications in this corpus.
Search patents in E03D- Granted patents
- 77
- Published applications
- 79
- Assignees
- 30
- Inventors
- 161
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 4 |
| 2009 | 1 | 3 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 1 | 3 |
| 2016 | 4 | 10 |
| 2017 | 11 | 10 |
| 2018 | 8 | 7 |
| 2019 | 8 | 3 |
| 2020 | 3 | 5 |
| 2021 | 2 | 5 |
| 2022 | 6 | 6 |
| 2023 | 0 | 3 |
| 2024 | 6 | 5 |
| 2025 | 4 | 2 |
| 2026 | 1 | 3 |
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.
- Semi-closed compartment gas management system and method14 Oct 2025US 12,442,170 B2Loocid Air Ltd.
- Flush toilet apparatus8 Jul 2025US 12,352,028 B2Toto Ltd.
- Pressure-assisted flush water tank24 Jun 2025US 12,338,614 B2
- Base for universal slide style float and assembly13 May 2025US 12,297,635 B2
- Techniques for fluid control4 Jun 2026US 2026/0153162 A1
- Toilet leak detection26 Mar 2026US 2026/0085990 A1Kohler Co.
- Fill valve actuation systems and methods1 Jan 2026US 2026/0002600 A1Fluidmaster, Inc.
- Universal canister flush valve27 Feb 2025US 2025/0067034 A1Kohler Co.
- Flush toilet device20 Feb 2025US 2025/0059749 A1Toto Ltd.
Most cited
By later US patents
- WC-cistern filling valve24US 5,738,141 ARost, Incorporated · 1998
- Toilet flush tank fill valve assembly22US 5,623,961 AHunter Plumbing Products · 1997
- Ball cock float having improved anti-noise structure18US 4,080,986 A1978
- Flushing cisterns15US 4,471,798 AMarley Plumbing (Proprietary) Limited · 1984
- Hydrostatic ballcock assembly13US 4,573,495 A1986