A47L 7/0028
Security means
Official title: {Security means, e.g. float valves or level switches for preventing overflow}
A47L7/0028 (Security means) appears on 318 US grants and 212 published applications in this corpus.
Search patents in A47L- Granted patents
- 318
- Published applications
- 212
- Assignees
- 89
- Inventors
- 434
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 10 | 0 |
| 1990 | 7 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 11 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 19 | 0 |
| 2000 | 19 | 0 |
| 2001 | 13 | 6 |
| 2002 | 13 | 11 |
| 2003 | 14 | 3 |
| 2004 | 6 | 7 |
| 2005 | 3 | 9 |
| 2006 | 2 | 14 |
| 2007 | 7 | 10 |
| 2008 | 6 | 11 |
| 2009 | 4 | 8 |
| 2010 | 12 | 8 |
| 2011 | 4 | 3 |
| 2012 | 5 | 3 |
| 2013 | 9 | 3 |
| 2014 | 6 | 6 |
| 2015 | 7 | 9 |
| 2016 | 3 | 4 |
| 2017 | 8 | 8 |
| 2018 | 3 | 3 |
| 2019 | 7 | 22 |
| 2020 | 13 | 5 |
| 2021 | 7 | 13 |
| 2022 | 7 | 5 |
| 2023 | 10 | 14 |
| 2024 | 11 | 10 |
| 2025 | 6 | 8 |
| 2026 | 1 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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By later US patents
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