G08B 21/0241
Data exchange details
Official title: {Data exchange details, e.g. data protocol}
G08B21/0241 (Data exchange details) appears on 505 US grants and 519 published applications in this corpus.
Search patents in G08B- Granted patents
- 505
- Published applications
- 519
- Assignees
- 269
- Inventors
- 999
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 4 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 9 |
| 2002 | 12 | 11 |
| 2003 | 10 | 12 |
| 2004 | 8 | 15 |
| 2005 | 12 | 25 |
| 2006 | 17 | 23 |
| 2007 | 8 | 20 |
| 2008 | 16 | 21 |
| 2009 | 8 | 13 |
| 2010 | 11 | 22 |
| 2011 | 10 | 15 |
| 2012 | 12 | 22 |
| 2013 | 18 | 17 |
| 2014 | 16 | 27 |
| 2015 | 17 | 19 |
| 2016 | 17 | 26 |
| 2017 | 30 | 33 |
| 2018 | 31 | 28 |
| 2019 | 30 | 33 |
| 2020 | 36 | 37 |
| 2021 | 35 | 32 |
| 2022 | 24 | 23 |
| 2023 | 23 | 10 |
| 2024 | 15 | 12 |
| 2025 | 15 | 11 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G08B 21/0247System arrangements wherein the alarm criteria uses signal strength305
- G08B 21/025System arrangements wherein the alarm criteria uses absence of reply signal after74
- G08B 21/0258System arrangements wherein both parent and child units can emit and receive72
- G08B 21/0244System arrangements wherein the alarm criteria uses signal delay or phase shift46
- G08B 21/0252System arrangements wherein the child unit emits, i.e. the child unit incorporates45
- G08B 21/0255System arrangements wherein the parent unit emits, i.e. the parent unit incorporates41
Recent patents
- Systems and methods for device load transfer in a hybrid monitoring system3 Feb 2026US 12,542,049 B2BI Incorporated
- Devices and methods for locating accessories of an electronic device2 Dec 2025US 12,488,664 B2Apple Inc.
- Distance-determining system, contact-monitoring system, contact-tracking system and method for determining distance and/or tracking contact11 Nov 2025US 12,469,376 B2ETO Magnetic GmbH
- System for non-lethal defense and crowd control in public and private spaces30 Sep 2025US 12,430,995 B2Non Lethal Labs LLC
- Monitoring system16 Sep 2025US 12,417,685 B2Connect-In Ltd.
- Systems and methods for device load transfer in a hybrid monitoring system21 May 2026US 2026/0141801 A1BI Incorporated
- Alarm and geolocation system for analogue watches23 Apr 2026US 2026/0112263 A1Gt Global Track S.R.L.
- Monitoring system2 Apr 2026US 2026/0094511 A1Connect-In Ltd.
- Devices and methods for locating accessories of an electronic device23 Oct 2025US 2025/0329235 A1Apple Inc.
- Devices and methods for locating accessories of an electronic device23 Oct 2025US 2025/0329236 A1Apple Inc.
Most cited
By later US patents
- Self-locating remote monitoring systems473US 5,650,770 A1997
- Lost pet notification system409US 6,067,018 A2000
- Battery with electronic compartment392US 8,310,201 B1Cypress Semiconductor Corporation · 2012
- Multi-hazard alarm system using selectable power-level transmission and localization380US 5,461,365 A1995
- Self-locating remote monitoring systems296US 6,198,390 B12001