G08B 13/1427
With transmitter-receiver for distance detection
Official title: {with transmitter-receiver for distance detection}
G08B13/1427 (With transmitter-receiver for distance detection) appears on 780 US grants and 897 published applications in this corpus.
Search patents in G08B- Granted patents
- 780
- Published applications
- 897
- Assignees
- 381
- Inventors
- 1,335
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 14 | 0 |
| 2001 | 11 | 10 |
| 2002 | 22 | 22 |
| 2003 | 10 | 27 |
| 2004 | 16 | 37 |
| 2005 | 14 | 35 |
| 2006 | 40 | 55 |
| 2007 | 23 | 44 |
| 2008 | 24 | 58 |
| 2009 | 20 | 39 |
| 2010 | 26 | 46 |
| 2011 | 30 | 29 |
| 2012 | 24 | 46 |
| 2013 | 28 | 30 |
| 2014 | 30 | 44 |
| 2015 | 30 | 25 |
| 2016 | 46 | 37 |
| 2017 | 35 | 49 |
| 2018 | 51 | 60 |
| 2019 | 50 | 40 |
| 2020 | 49 | 42 |
| 2021 | 35 | 32 |
| 2022 | 26 | 29 |
| 2023 | 25 | 21 |
| 2024 | 24 | 20 |
| 2025 | 22 | 16 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Validating radio frequency identification (RFID) alarm event tags10 Feb 2026US 12,548,419 B2Sensormatic Electronics Corporation
- Systems and methods for tracking location27 Jan 2026US 12,536,887 B2J Mann 8, LLC
- Proximity Alert System7 May 2026US 2026/0127956 A1
- Monitoring system2 Apr 2026US 2026/0094511 A1Connect-In Ltd.
- Radiation monitoring method2 Apr 2026US 2026/0094734 A1National Atomic Research Institute
- Radio Frequency Proximity Detection Devices22 Jan 2026US 2026/0024429 A1Zebra Technologies Corporation
- Multi-Functional Trackable Device System for Asset Monitoring and Location Tracking18 Dec 2025US 2025/0386167 A1
Most cited
By later US patents
- Inventoriable-object control and tracking system774US 6,075,441 AKey-Trak, Inc. · 2000
- Self-locating remote monitoring systems473US 5,650,770 A1997
- Facility and method for tracking physical assets407US 6,614,349 B1Airbiquity Inc. · 2003
- Asset system control arrangement and method407US 7,663,502 B2Intelligent Technologies International, Inc. · 2010
- Multi-hazard alarm system using selectable power-level transmission and localization380US 5,461,365 A1995