F16K 33/00
Floats for actuation of valves or other apparatus
Official title: Floats for actuation of valves or other apparatus {(float actuated valves F16K31/18)}
F16K33/00 (Floats for actuation of valves or other apparatus) appears on 82 US grants and 67 published applications in this corpus.
Search patents in F16K- Granted patents
- 82
- Published applications
- 67
- Assignees
- 60
- Inventors
- 154
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 2 |
| 2004 | 2 | 1 |
| 2005 | 4 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 4 |
| 2013 | 2 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 5 |
| 2016 | 5 | 2 |
| 2017 | 4 | 5 |
| 2018 | 4 | 9 |
| 2019 | 5 | 4 |
| 2020 | 9 | 7 |
| 2021 | 3 | 5 |
| 2022 | 6 | 2 |
| 2023 | 5 | 3 |
| 2024 | 3 | 1 |
| 2025 | 3 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Techniques for fluid control4 Jun 2026US 2026/0153162 A1
- Flood vent and a float for a flood vent19 Mar 2026US 2026/0078599 A1Smart Vent Products, Inc.
- Overfill prevention valve20 Nov 2025US 2025/0354623 A1Clay and Bailey Manufacturing Company
- Hydraulic valve6 Mar 2025US 2025/0075522 A1Seko S.P.A.
- Level controller2 Jan 2025US 2025/0004487 A1Kimray, Inc.
Most cited
By later US patents
- Float valve assembly40US 4,250,907 A1981
- Ball cock and float assembly35US 4,600,031 AClevepak Corporation · 1986
- Ball cock assembly float with drain openings27US 5,287,882 AMoen Incorporated · 1994
- Over filling valve24US 5,762,090 AAran Engineering Development Ltd. · 1998
- Faucet for filling tanks22US 6,679,285 B22004