Y10T 137/7404
Plural floats
Y10T137/7404 (Plural floats) appears on 109 US grants and 36 published applications in this corpus.
Search patents in Y10T- Granted patents
- 109
- Published applications
- 36
- Assignees
- 60
- Inventors
- 155
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 2 |
| 2004 | 3 | 2 |
| 2005 | 3 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 2 | 2 |
| 2010 | 1 | 3 |
| 2011 | 2 | 6 |
| 2012 | 3 | 1 |
| 2013 | 5 | 0 |
| 2014 | 5 | 1 |
| 2015 | 0 | 2 |
| 2016 | 3 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 3 |
| 2019 | 3 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Overfill prevention valve19 Aug 2025US 12,392,421 B2Clay and Bailey Manufacturing Company
- Negative pressure pipeline opening and closing device20 Sep 2022US 11,448,338 B2Shanghai ZTEC Environmental S&T CO., LTD.
- Valve assembly27 Jul 2021US 11,073,224 B2Weir Minerals Australia Ltd.
- Valve device for fuel tank6 Apr 2021US 10,967,734 B2Nifco Inc.
- Liquid level control device26 May 2020US 10,663,080 B2
- Overfill prevention valve20 Nov 2025US 2025/0354623 A1Clay and Bailey Manufacturing Company
- Overfill prevention valve26 Jan 2023US 2023/0025926 A1Clay and Bailey Manufacturing Company
- Negative Pressure Pipeline Opening and Closing Device1 Dec 2022US 2022/0381365 A1Shanghai ZTEC Environmental S&T CO., LTD.
- Negative Pressure Pipeline Opening and Closing Device11 Mar 2021US 2021/0071777 A1Shanghai ZTEC Environmental S&T CO., LTD.
- Valve device for fuel tank30 Jan 2020US 2020/0031221 A1Nifco Inc.
Most cited
By later US patents
- Humidifier with dual float valves140US 5,445,143 AFisher & Paykel Limited · 1995
- Liquid flow rate control device51US 6,213,986 B1Appro Healthcare, Inc. · 2001
- Floating liquid skimmers having a floating weir36US 4,802,592 AFahet NV · 1989
- Adjustable fluid flow regulator32US 4,096,879 AInternational Biomedical Laboratories, Inc. · 1978
- Variable control for toilet flush tanks29US 4,175,296 A1979