Y10T 137/7358
By float controlled valve
Y10T137/7358 (By float controlled valve) appears on 1,333 US grants and 471 published applications in this corpus.
Search patents in Y10T- Granted patents
- 1,333
- Published applications
- 471
- Assignees
- 609
- Inventors
- 1,716
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 23 | 0 |
| 1978 | 30 | 0 |
| 1979 | 20 | 0 |
| 1980 | 22 | 0 |
| 1981 | 41 | 0 |
| 1982 | 34 | 0 |
| 1983 | 21 | 0 |
| 1984 | 26 | 0 |
| 1985 | 29 | 0 |
| 1986 | 40 | 0 |
| 1987 | 40 | 0 |
| 1988 | 35 | 0 |
| 1989 | 37 | 0 |
| 1990 | 21 | 0 |
| 1991 | 41 | 0 |
| 1992 | 33 | 0 |
| 1993 | 27 | 0 |
| 1994 | 27 | 0 |
| 1995 | 42 | 0 |
| 1996 | 27 | 0 |
| 1997 | 31 | 0 |
| 1998 | 38 | 0 |
| 1999 | 45 | 0 |
| 2000 | 43 | 0 |
| 2001 | 39 | 7 |
| 2002 | 28 | 23 |
| 2003 | 30 | 22 |
| 2004 | 26 | 21 |
| 2005 | 25 | 29 |
| 2006 | 15 | 25 |
| 2007 | 18 | 21 |
| 2008 | 15 | 30 |
| 2009 | 21 | 31 |
| 2010 | 22 | 44 |
| 2011 | 31 | 31 |
| 2012 | 38 | 31 |
| 2013 | 34 | 40 |
| 2014 | 51 | 26 |
| 2015 | 20 | 23 |
| 2016 | 18 | 14 |
| 2017 | 14 | 10 |
| 2018 | 21 | 13 |
| 2019 | 13 | 8 |
| 2020 | 13 | 9 |
| 2021 | 11 | 6 |
| 2022 | 11 | 5 |
| 2023 | 6 | 1 |
| 2024 | 2 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- Y10T 137/7439Float arm operated valve588
- Y10T 137/7423Rectilinearly traveling float443
- Y10T 137/7368Servo relay operation of control297
- Y10T 137/7413Level adjustment or selection means198
- Y10T 137/7404Plural floats109
- Y10T 137/7381Quick acting92
- Y10T 137/742In separate communicating float chamber82
- Y10T 137/7361Valve opened by external means, closing or closing control by float72
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Most cited
By later US patents
- Humidifier with dual float valves140US 5,445,143 AFisher & Paykel Limited · 1995
- Water level control126US 4,853,986 AThe Awareness Marketing Corporation · 1989
- Liquid shut-off system112US 4,904,830 A1990
- Float-controlled humidifier104US 4,913,140 AFisher & Paykel Limited · 1990
- Suction drainage infection control system100US 5,234,419 AAbbott Laboratories · 1993