G08B 13/181
Using active radiation detection systems
Official title: using active radiation detection systems
G08B13/181 (Using active radiation detection systems) appears on 610 US grants and 579 published applications in this corpus.
Search patents in G08B- Granted patents
- 610
- Published applications
- 579
- Assignees
- 380
- Inventors
- 1,265
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 8 | 0 |
| 1989 | 6 | 0 |
| 1990 | 16 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 2 |
| 2002 | 6 | 10 |
| 2003 | 6 | 17 |
| 2004 | 17 | 20 |
| 2005 | 17 | 18 |
| 2006 | 15 | 30 |
| 2007 | 16 | 23 |
| 2008 | 15 | 28 |
| 2009 | 16 | 20 |
| 2010 | 21 | 25 |
| 2011 | 9 | 16 |
| 2012 | 13 | 18 |
| 2013 | 13 | 19 |
| 2014 | 16 | 18 |
| 2015 | 16 | 21 |
| 2016 | 18 | 17 |
| 2017 | 14 | 19 |
| 2018 | 27 | 25 |
| 2019 | 28 | 44 |
| 2020 | 30 | 29 |
| 2021 | 35 | 39 |
| 2022 | 29 | 36 |
| 2023 | 21 | 29 |
| 2024 | 29 | 19 |
| 2025 | 18 | 21 |
| 2026 | 11 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical fiber-based tsunami warning system using submarine telecommunication cables15 Sep 2026US 12,736,375 B2California Institute of Technology
- Transmission line monitoring system testing28 Jul 2026US 12,694,768 B2CyberSecure IPS, LLC
- Detecting people using a people detector provided by a doorway16 Jun 2026US 12,656,472 B2Assa Abloy AB
- Method for detecting presence inside a locked vehicle and associated detection device14 Apr 2026US 12,602,984 B2Continental Automotive Technologies GmbH
- Optical fiber sensing system, optical fiber sensing equipment, and unmanned aerial vehicle allocation method7 Apr 2026US 12,596,386 B2NEC Corporation
- C-a-r-e metal detector systems10 Sep 2026US 2026/0267025 A1
- Method and system for determining a position of a plurality of lidar sensors for industrial risky zones6 Aug 2026US 2026/0227497 A1Siemens Industry Software Inc.
- Monitoring device, monitoring method, and computer-readable medium30 Jul 2026US 2026/0219101 A1NEC Corporation
- Security sensor unit, security sensor unit control method, control program, and recording medium23 Jul 2026US 2026/0211105 A1Optex Co., Ltd.
- Intruder detection system and method9 Jul 2026US 2026/0196114 A1Essence Security International (E.S.I.) Ltd.
Most cited
By later US patents
- Obstacle-detecting apparatus502US 5,331,312 AMatsushita Electric Industrial Co., Ltd. · 1994
- Apparatus and method for fiber optic intrusion sensing227US 5,194,847 AThe Texas A&M University System · 1993
- Photoelectric proximity detector and switch164US 5,103,085 A1992
- Detection and identification of threats hidden inside cargo shipments150US 7,151,447 B1Erudite Holding LLC · 2006
- Fiber optic security system146US 5,055,827 A1991