F16K 31/22
With the float rigidly connected to the valve
Official title: with the float rigidly connected to the valve
F16K31/22 (With the float rigidly connected to the valve) appears on 209 US grants and 189 published applications in this corpus.
Search patents in F16K- Granted patents
- 209
- Published applications
- 189
- Assignees
- 116
- Inventors
- 342
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 4 |
| 2005 | 3 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 4 |
| 2008 | 0 | 1 |
| 2009 | 1 | 4 |
| 2010 | 2 | 5 |
| 2011 | 3 | 4 |
| 2012 | 7 | 8 |
| 2013 | 5 | 7 |
| 2014 | 3 | 5 |
| 2015 | 3 | 9 |
| 2016 | 10 | 11 |
| 2017 | 12 | 21 |
| 2018 | 13 | 23 |
| 2019 | 18 | 18 |
| 2020 | 22 | 16 |
| 2021 | 16 | 11 |
| 2022 | 17 | 9 |
| 2023 | 3 | 10 |
| 2024 | 13 | 9 |
| 2025 | 5 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Float-actuated fluid valve assembly19 May 2026US 12,631,261 B1A.O. International II, Inc.
- Floating ball structure and humidifier10 Mar 2026US 12,571,474 B2Shenzhen Hesung Innovation Technology Co., Ltd
- Floater based flow control device for gravity IV sets21 Oct 2025US 12,447,273 B2CareFusion 303, Inc.
- Overfill prevention valve19 Aug 2025US 12,392,421 B2Clay and Bailey Manufacturing Company
- Sealing structure of valve body, valve and CFLVV valve22 Apr 2025US 12,281,711 B2Shanghai Jtr Automotive Component Co., Ltd.
- Liquid level valve16 Jul 2026US 2026/0201974 A1Nanjing Hanshu Environmental Protection Equipment Co., Ltd.
- Floater based flow control device for gravity iv sets29 Jan 2026US 2026/0027294 A1CareFusion 303, Inc.
- Overfill prevention valve20 Nov 2025US 2025/0354623 A1Clay and Bailey Manufacturing Company
- Combination air release valve31 Jul 2025US 2025/0243945 A1McWane, Inc.
- Floating ball structure and humidifier3 Jul 2025US 2025/0215997 A1Shenzhen Hesung Innovation Technology Co., Ltd
Most cited
By later US patents