G08B 21/24
Reminder alarms
Official title: Reminder alarms, e.g. anti-loss alarms
G08B21/24 (Reminder alarms) appears on 2,599 US grants and 3,141 published applications in this corpus.
Search patents in G08B- Granted patents
- 2,599
- Published applications
- 3,141
- Assignees
- 1,052
- Inventors
- 5,430
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 9 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 19 | 0 |
| 1998 | 11 | 0 |
| 1999 | 27 | 0 |
| 2000 | 15 | 0 |
| 2001 | 20 | 9 |
| 2002 | 20 | 21 |
| 2003 | 17 | 44 |
| 2004 | 25 | 36 |
| 2005 | 33 | 45 |
| 2006 | 26 | 51 |
| 2007 | 22 | 57 |
| 2008 | 27 | 61 |
| 2009 | 32 | 71 |
| 2010 | 33 | 73 |
| 2011 | 33 | 63 |
| 2012 | 51 | 80 |
| 2013 | 60 | 87 |
| 2014 | 65 | 131 |
| 2015 | 85 | 159 |
| 2016 | 122 | 217 |
| 2017 | 187 | 244 |
| 2018 | 232 | 206 |
| 2019 | 206 | 230 |
| 2020 | 245 | 231 |
| 2021 | 185 | 254 |
| 2022 | 200 | 231 |
| 2023 | 182 | 176 |
| 2024 | 146 | 162 |
| 2025 | 131 | 131 |
| 2026 | 68 | 71 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Auto-compensation-type guide device for moving coil of large-scale vibration table and operation method thereof29 Sep 2026US 12,747,783 B2China University of Mining and Technology
- Separation alerts for notification while traveling29 Sep 2026US 12,749,389 B2Apple Inc.
- Communication support system, communication support method, and non-transitory recording medium29 Sep 2026US 12,749,479 B2Ricoh Company, Ltd.
- Vehicle state presentation system, vehicle, terminal device, and vehicle state presentation method15 Sep 2026US 12,738,145 B2Toyota Jidosha Kabushiki Kaisha
- Candle alert monitoring apparatus and method15 Sep 2026US 12,738,146 B2
- Insect trap replacement notification and methods for using the same8 Oct 2026US 2026/0311587 A1Silgan Dispensing Systems Corporation
- Notification system and vehicle comprising notification system1 Oct 2026US 2026/0296309 A1Ts Tech Co., Ltd.
- Image forming system24 Sep 2026US 2026/0290020 A1FUJIFILM Business Innovation Corp.
- Intelligent system generating health insights based on medication events and biometric data24 Sep 2026US 2026/0290145 A1
- Global registration system for aerial vehicles24 Sep 2026US 2026/0292440 A1GeoFrenzy, Inc.
Most cited
By later US patents
- Reprogrammable remote sensor monitoring system789US 5,959,529 A1999
- Health care sanitation monitoring system741US 9,323,894 B2Masimo Corporation · 2016
- Reprogrammable remote sensor monitoring system522US 6,940,403 B2CardioNet, Inc. · 2005
- Reprogrammable remote sensor monitoring system498US 6,225,901 B1CardioNet, Inc. · 2001
- Arrestee monitoring with variable site boundaries454US 5,568,119 ATrimble Navigation Limited · 1996