G08B 21/0258
System arrangements wherein both parent and child units can emit and receive
Official title: {System arrangements wherein both parent and child units can emit and receive}
G08B21/0258 (System arrangements wherein both parent and child units can emit and receive) appears on 72 US grants and 74 published applications in this corpus.
Search patents in G08B- Granted patents
- 72
- Published applications
- 74
- Assignees
- 51
- Inventors
- 165
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 3 | 5 |
| 2007 | 2 | 4 |
| 2008 | 3 | 4 |
| 2009 | 2 | 2 |
| 2010 | 2 | 4 |
| 2011 | 2 | 2 |
| 2012 | 1 | 2 |
| 2013 | 8 | 1 |
| 2014 | 2 | 4 |
| 2015 | 4 | 5 |
| 2016 | 3 | 2 |
| 2017 | 2 | 4 |
| 2018 | 3 | 2 |
| 2019 | 5 | 10 |
| 2020 | 8 | 6 |
| 2021 | 7 | 6 |
| 2022 | 6 | 3 |
| 2023 | 2 | 0 |
| 2024 | 2 | 3 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for device load transfer in a hybrid monitoring system3 Feb 2026US 12,542,049 B2BI Incorporated
- 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
- Security system, method of emitting an alarm signal, bus, use of a security system18 Mar 2025US 12,254,754 B2rapitag GmbH
- Warnings dependent on location6 Aug 2024US 12,057,004 B2Nokia Technologies Oy
- Deferrable tracking for GPS mobile communication devices30 Jan 2024US 11,887,456 B1Herron Holdings Group LLC
- Systems and methods for device load transfer in a hybrid monitoring system21 May 2026US 2026/0141801 A1BI Incorporated
- Evacuation guidance apparatus and evacuation guidance method6 Feb 2025US 2025/0046163 A1Toshiba Tec Kabushiki Kaisha
- Transducer device for a wearable object, and method for operating same3 Oct 2024US 2024/0329604 A1The Swatch Group Research and Development Ltd
- Systems and methods for device load transfer in a hybrid monitoring system7 Mar 2024US 2024/0078893 A1BI Incorporated
- Distance-determining system, contact-monitoring system, contact-tracking system and method for determining distance and/or tracking contact1 Feb 2024US 2024/0038051 A1ETO Magnetic GmbH
Most cited
By later US patents
- RF identification system with restricted range190US 6,097,301 AMicron Communications, Inc. · 2000
- Wireless mesh network for an asset tracking system138US 8,026,814 B1Pinpoint Technologies Inc. · 2011
- Self-locating devices via highly directional RFID tags in controlled location82US 7,295,132 B2International Business Machines Corporation · 2007
- Asset tracking system80US 8,373,562 B1Pinpoint Technologies Inc. · 2013
- Animal tracking apparatus and method77US 7,602,302 B2Garmin Ltd. · 2009