G01R 19/16576
Comparing dc or ac voltage with one threshold
Official title: {comparing DC or AC voltage with one threshold (G01R19/16514, G01R19/16519, G01R19/16528, G01R19/16533 and G01R19/1659 take precedence)}
G01R19/16576 (Comparing dc or ac voltage with one threshold) appears on 457 US grants and 488 published applications in this corpus.
Search patents in G01R- Granted patents
- 457
- Published applications
- 488
- Assignees
- 393
- Inventors
- 1,236
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 12 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 2 |
| 2006 | 4 | 2 |
| 2007 | 0 | 2 |
| 2008 | 3 | 6 |
| 2009 | 3 | 3 |
| 2010 | 4 | 5 |
| 2011 | 3 | 11 |
| 2012 | 3 | 11 |
| 2013 | 4 | 7 |
| 2014 | 12 | 9 |
| 2015 | 2 | 5 |
| 2016 | 9 | 17 |
| 2017 | 14 | 16 |
| 2018 | 12 | 27 |
| 2019 | 29 | 35 |
| 2020 | 29 | 36 |
| 2021 | 30 | 25 |
| 2022 | 33 | 57 |
| 2023 | 33 | 52 |
| 2024 | 46 | 58 |
| 2025 | 50 | 49 |
| 2026 | 37 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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Most cited
By later US patents
- Low current reduced area programming voltage detector for flash memory110US 5,594,360 AIntel Corporation · 1997
- Apparatus for monitoring recurrent waveforms73US 3,940,692 AThe University of Edinburgh · 1976
- Voltage detecting circuit for a power system64US 6,407,571 B1Matsushita Electric Industrial Co., Ltd. · 2002
- User carried sensor for detecting displacement relative to the ground55US 4,876,500 A1989
- Switching circuit54US 9,525,412 B2Reno Technologies, Inc. · 2016