G08B 21/082
By monitoring electrical characteristics of the water
Official title: {by monitoring electrical characteristics of the water}
G08B21/082 (By monitoring electrical characteristics of the water) appears on 73 US grants and 32 published applications in this corpus.
Search patents in G08B- Granted patents
- 73
- Published applications
- 32
- Assignees
- 30
- Inventors
- 125
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 2 |
| 2004 | 0 | 2 |
| 2005 | 1 | 4 |
| 2006 | 3 | 2 |
| 2007 | 2 | 1 |
| 2008 | 2 | 1 |
| 2009 | 2 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 3 | 3 |
| 2018 | 2 | 3 |
| 2019 | 4 | 3 |
| 2020 | 6 | 2 |
| 2021 | 2 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Swimming pool alarm73US 5,959,534 ASplash Industries, Inc. · 1999
- Pool alarm system including motion detectors and a drain blockage sensor71US 6,157,304 A2000
- System for monitoring a swimming pool to prevent drowning accidents45US 6,133,838 APoseidon · 2000
- Method and system for detecting a motionless body in a pool43US 5,043,705 A1991
- Passive infrared/acoustic pool security system35US 5,023,593 A1991