G08B 21/04
Responsive to non-activity
Official title: responsive to non-activity, e.g. of elderly persons (G08B21/06 takes precedence)
G08B21/04 (Responsive to non-activity) appears on 3,069 US grants and 3,874 published applications in this corpus.
Search patents in G08B- Granted patents
- 3,069
- Published applications
- 3,874
- Assignees
- 1,405
- Inventors
- 6,597
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 11 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 15 | 3 |
| 2002 | 17 | 30 |
| 2003 | 11 | 35 |
| 2004 | 16 | 20 |
| 2005 | 17 | 53 |
| 2006 | 34 | 67 |
| 2007 | 24 | 56 |
| 2008 | 31 | 67 |
| 2009 | 34 | 57 |
| 2010 | 38 | 69 |
| 2011 | 40 | 62 |
| 2012 | 50 | 93 |
| 2013 | 71 | 101 |
| 2014 | 88 | 154 |
| 2015 | 109 | 175 |
| 2016 | 138 | 252 |
| 2017 | 207 | 293 |
| 2018 | 251 | 289 |
| 2019 | 280 | 317 |
| 2020 | 288 | 318 |
| 2021 | 242 | 281 |
| 2022 | 219 | 282 |
| 2023 | 224 | 225 |
| 2024 | 222 | 265 |
| 2025 | 191 | 187 |
| 2026 | 106 | 123 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Controlled-environment facility resident wearables and systems and methods for use6 Oct 2026US 12,754,586 B1Securus Technologies, Inc.
- Detecting falls using a mobile device29 Sep 2026US 12,749,386 B2Apple Inc.
- System and method for improving internet communication by using intermediate nodes29 Sep 2026US 12,750,431 B2Bright Data Ltd.
- Ambulatory medical device with malfunction alert prioritization22 Sep 2026US 12,743,269 B2Beta Bionics, Inc.
- Wireless patient monitoring compliance system22 Sep 2026US 12,743,945 B2Invisalert Solutions, Inc.
- Fall Risk Assessment for a User1 Oct 2026US 2026/0294278 A1Google Inc.
- Intelligent care device and system1 Oct 2026US 2026/0301937 A1Coplus Inc.
- Artificial intelligence and/or virtual reality for activity optimization/personalization24 Sep 2026US 2026/0289352 A1P Tech, LLC
- System and Method for Improving Internet Communication by Using Intermediate Nodes24 Sep 2026US 2026/0292044 A1Bright Data Ltd.
- Wearable device for monitoring the health and supervision of a supervised being and related systems and methods17 Sep 2026US 2026/0272297 A1Littlebird Connected Care, Inc.
Most cited
By later US patents
- Physiological measurement communications adapter1,241US 6,850,788 B2Masimo Corporation · 2005
- Intelligent remote visual monitoring system for home health care service805US 5,553,609 AIndiana University Foundation · 1996
- Adaptable electronic monitoring and identification system760US 4,952,928 AB. I. Incorporated · 1990
- Automatic system for monitoring person requiring care and his/her caretaker756US 6,968,294 B2Koninklijke Philips Electronics N. V. · 2005
- Physiological measurement communications adapter754US 7,844,314 B2Masimo Corporation · 2010