G08B 21/0233
System arrangements with pre-alarms
Official title: {System arrangements with pre-alarms, e.g. when a first distance is exceeded}
G08B21/0233 (System arrangements with pre-alarms) appears on 47 US grants and 57 published applications in this corpus.
Search patents in G08B- Granted patents
- 47
- Published applications
- 57
- Assignees
- 29
- Inventors
- 99
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 3 |
| 2011 | 1 | 4 |
| 2012 | 2 | 2 |
| 2013 | 3 | 3 |
| 2014 | 1 | 3 |
| 2015 | 5 | 2 |
| 2016 | 1 | 3 |
| 2017 | 6 | 3 |
| 2018 | 5 | 8 |
| 2019 | 4 | 4 |
| 2020 | 4 | 2 |
| 2021 | 4 | 3 |
| 2022 | 1 | 3 |
| 2023 | 1 | 2 |
| 2024 | 4 | 3 |
| 2025 | 2 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Monitoring system, monitoring method, and program12 Aug 2025US 12,387,584 B2Bsize Inc.
- Systems and methods for locating discarded tracking devices4 Feb 2025US 12,217,588 B2BI Incorporated
- Systems and methods for protecting retail display merchandise from theft19 Nov 2024US 12,148,273 B2InVue Security Products Inc.
- Warnings dependent on location6 Aug 2024US 12,057,004 B2Nokia Technologies Oy
- Monitoring system, monitoring method, and program9 Apr 2024US 11,954,992 B2Bsize Inc.
- Electronic fence setting method and apparatus, and computer-readable storage medium10 Sep 2026US 2026/0268753 A1Zte Corporation
- Monitoring system, monitoring method, and program6 Nov 2025US 2025/0342760 A1Bsize Inc.
- Thermal alarm handling2 Oct 2025US 2025/0308371 A1Dräger Safety AG & Co. KGaA
- Systems and methods for protecting retail display merchandise from theft6 Mar 2025US 2025/0078636 A1InVue Security Products Inc.
- Monitoring system, monitoring method, and program1 Aug 2024US 2024/0257624 A1Bsize Inc.
Most cited
By later US patents
- Prisoner tracking and warning system and corresponding methods257US 6,054,928 A2000
- Prisoner tracking and warning system and corresponding methods75US 6,437,696 B12002
- Intelligent multi purpose early warning system for shipping containers, components therefor and methods of making the same60US 7,394,363 B12008
- Pet training system with geofence boundary indicator and software application56US 9,693,536 B12017
- Method for dynamic creation of a GeoFence in a wireless system49US 8,536,999 B2QUALCOMM Incorporated · 2013