E05B 2047/005
Opening, closing of the circuit
Official title: {Opening, closing of the circuit}
E05B2047/005 (Opening, closing of the circuit) appears on 210 US grants and 221 published applications in this corpus.
Search patents in E05B- Granted patents
- 210
- Published applications
- 221
- Assignees
- 138
- Inventors
- 476
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 2 |
| 2004 | 3 | 1 |
| 2005 | 2 | 5 |
| 2006 | 0 | 6 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 5 |
| 2012 | 3 | 3 |
| 2013 | 3 | 2 |
| 2014 | 0 | 4 |
| 2015 | 4 | 16 |
| 2016 | 11 | 12 |
| 2017 | 5 | 9 |
| 2018 | 4 | 8 |
| 2019 | 11 | 12 |
| 2020 | 12 | 13 |
| 2021 | 8 | 26 |
| 2022 | 12 | 13 |
| 2023 | 18 | 21 |
| 2024 | 19 | 26 |
| 2025 | 24 | 21 |
| 2026 | 14 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E05B 2047/0054Using microprocessor, printed circuits, or the likeIndexing code101
- E05B 2047/0053By operating the handleIndexing code35
- E05B 2047/0056By sensing the presence of a personIndexing code27
- E05B 2047/0052Opening the circuit by detection of current increaseIndexing code19
- E05B 2047/0051By closing the wingIndexing code13
- E05B 2047/0055By blowingIndexing code0
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Most cited
By later US patents
- Supply station with internal computer245US 5,520,450 APyxis Corporation · 1996
- Electronic key with interactive graphic user interface212US 4,914,732 ASupra Products, Inc. · 1990
- Jerk-resistant drawer operating system177US 5,716,114 APyxis Corporation · 1998
- Electronic real estate lockbox system171US 4,727,368 ASupra Products, Inc. · 1988
- Auxiliary storage and dispensing unit171US 5,346,297 A1994