G07C 9/00738
Sensed by hall effect devices
Official title: {sensed by Hall effect devices}
G07C9/00738 (Sensed by hall effect devices) appears on 22 US grants and 9 published applications in this corpus.
Search patents in G07C- Granted patents
- 22
- Published applications
- 9
- Assignees
- 16
- Inventors
- 45
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Electronic lockbox with sensor and removable magnetic key fob27 May 2025US 12,315,318 B2SentriLock, LLC
- Pet door14 May 2024US 11,983,978 B2Radio Systems Corporation
- Systems for smart security5 Sep 2023US 11,746,564 B2Yunding Network Technology (Beijing) Co., Ltd.
- Systems for smart security27 Dec 2022US 11,536,050 B2Yunding Network Technology (Beijing) Co., Ltd.
- Non-intrusive dial rotation detection of high security locks24 Jul 2018US 10,032,328 B2Sargent & Greenleaf, Inc.
- Electronic lockbox with sensor and removable magnetic key fob14 Aug 2025US 2025/0259492 A1SentriLock, LLC
- Electronic lockbox with sensor and removable magnetic key fob14 Mar 2024US 2024/0087387 A1SentriLock, LLC
- Pet Door2 Mar 2023US 2023/0068820 A1Radio Systems Corporation
- Systems for smart security12 Jan 2023US 2023/0008527 A1Yunding Network Technology (Beijing) Co., Ltd.
- Systems for smart security24 Feb 2022US 2022/0056734 A1Yunding Network Technology (Beijing) Co., Ltd.
Most cited
By later US patents
- Electronic lock and key switch having key identifying function105US 4,849,749 AHonda Lock Manufacturing Co., Ltd. · 1989
- Electronic locks for doors54US 4,433,355 AYale Security Products Limited · 1984
- Keys and related magnetic locks to control accesses29US 5,085,062 A1992
- Magnetic identification apparatus20US 4,112,292 AAccess Control Systems Proprietary Limited · 1978
- Magnet-electronic lock system18US 4,287,733 A1981