G08B 21/02
Alarms for ensuring the safety of persons
G08B21/02 (Alarms for ensuring the safety of persons) appears on 10,755 US grants and 12,654 published applications in this corpus.
Search patents in G08B- Granted patents
- 10,755
- Published applications
- 12,654
- Assignees
- 4,251
- Inventors
- 21,724
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 7 | 0 |
| 1978 | 12 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 14 | 0 |
| 1982 | 14 | 0 |
| 1983 | 13 | 0 |
| 1984 | 10 | 0 |
| 1985 | 21 | 0 |
| 1986 | 28 | 0 |
| 1987 | 24 | 0 |
| 1988 | 22 | 0 |
| 1989 | 30 | 0 |
| 1990 | 33 | 0 |
| 1991 | 27 | 0 |
| 1992 | 28 | 0 |
| 1993 | 22 | 0 |
| 1994 | 34 | 0 |
| 1995 | 33 | 0 |
| 1996 | 56 | 0 |
| 1997 | 63 | 0 |
| 1998 | 72 | 0 |
| 1999 | 75 | 0 |
| 2000 | 103 | 0 |
| 2001 | 106 | 46 |
| 2002 | 102 | 125 |
| 2003 | 72 | 153 |
| 2004 | 96 | 201 |
| 2005 | 100 | 256 |
| 2006 | 211 | 288 |
| 2007 | 140 | 277 |
| 2008 | 157 | 311 |
| 2009 | 152 | 263 |
| 2010 | 179 | 269 |
| 2011 | 167 | 239 |
| 2012 | 195 | 314 |
| 2013 | 243 | 365 |
| 2014 | 310 | 565 |
| 2015 | 410 | 630 |
| 2016 | 468 | 708 |
| 2017 | 656 | 840 |
| 2018 | 747 | 800 |
| 2019 | 842 | 902 |
| 2020 | 904 | 934 |
| 2021 | 755 | 863 |
| 2022 | 693 | 844 |
| 2023 | 659 | 736 |
| 2024 | 659 | 692 |
| 2025 | 615 | 645 |
| 2026 | 352 | 388 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G08B 21/04Responsive to non-activity3,069
- G08B 21/0202Child monitoring systems using a transmitter-receiver system carried by the parent and3,064
- G08B 21/12Responsive to undesired emission of substances1,245
- G08B 21/06Indicating a condition of sleep1,135
- G08B 21/10Responsive to calamitous events537
- G08B 21/08Responsive to the presence of persons in a body of water394
- G08B 21/0297Robbery alarms118
Recent patents
- Controlled-environment facility resident wearables and systems and methods for use6 Oct 2026US 12,754,586 B1Securus Technologies, Inc.
- System and method for providing image-based security6 Oct 2026US 12,755,548 B1Strategic Online Systems, Inc.
- PSAP/public responder network integrations6 Oct 2026US 12,755,622 B2Avive Solutions, Inc.
- Method, software and device for implementing personal safety functionalities6 Oct 2026US 12,755,623 B2
- Monitoring system for use with mobile communication device6 Oct 2026US 12,755,624 B2
- Methods for non-contact monitoring of three-dimensional global landslide deformation with millimeter-level accuracy8 Oct 2026US 2026/0311343 A1Sichuan University
- Perimeter Subarea Supervisor System (PSSS)8 Oct 2026US 2026/0311582 A1
- Automated warning safety guards for warehouse drones8 Oct 2026US 2026/0311583 A1Brookhurst Garage, Inc.
- Devices, systems, and methods for hazard avoidance8 Oct 2026US 2026/0311591 A1
- Fall Risk Assessment for a User1 Oct 2026US 2026/0294278 A1Google Inc.
Most cited
By later US patents
- Physiological measurement communications adapter1,241US 6,850,788 B2Masimo Corporation · 2005
- Location dependent user matching system1,117US 6,618,593 B1RovingRadar, Inc. · 2003
- Methods for differential image quality enhancement for a multiple detector system, systems and use thereof1,019US 9,471,969 B2ExxonMobil Upstream Research Company · 2016
- Intelligent remote visual monitoring system for home health care service805US 5,553,609 AIndiana University Foundation · 1996
- Patient safety system with automatically adjusting bed794US 8,723,677 B1Masimo Corporation · 2014