G08B 21/14
Toxic gas alarms
Official title: Toxic gas alarms (G08B21/16 takes precedence)
G08B21/14 (Toxic gas alarms) appears on 540 US grants and 658 published applications in this corpus.
Search patents in G08B- Granted patents
- 540
- Published applications
- 658
- Assignees
- 305
- Inventors
- 1,179
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 5 |
| 2003 | 1 | 8 |
| 2004 | 9 | 7 |
| 2005 | 4 | 14 |
| 2006 | 7 | 11 |
| 2007 | 5 | 16 |
| 2008 | 9 | 19 |
| 2009 | 4 | 10 |
| 2010 | 13 | 9 |
| 2011 | 8 | 12 |
| 2012 | 6 | 12 |
| 2013 | 9 | 13 |
| 2014 | 14 | 24 |
| 2015 | 30 | 57 |
| 2016 | 40 | 47 |
| 2017 | 43 | 56 |
| 2018 | 45 | 48 |
| 2019 | 48 | 54 |
| 2020 | 45 | 43 |
| 2021 | 40 | 36 |
| 2022 | 34 | 37 |
| 2023 | 22 | 39 |
| 2024 | 29 | 32 |
| 2025 | 25 | 25 |
| 2026 | 15 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Environmental monitoring device using smart phone15 Sep 2026US 12,736,510 B2Deepvisions Co., Ltd.
- Multi-sensor situational awareness system for enhanced fire personnel effectiveness in low-visibility conditions1 Sep 2026US 12,725,504 B1
- Integrated device for use in a vehicle25 Aug 2026US 12,715,606 B2Honeywell Aerospace US LLC
- Pouch-shaped battery cell including electrode lead capable of maintaining uniform internal pressure and battery pack including the same5 May 2026US 12,620,673 B2LG Energy Solution, Ltd.
- Assembly point system with active air quality and industrial gas emissions monitoring14 Apr 2026US 12,601,653 B2Saudi Arabian Oil Company
- Intelligent care device and system1 Oct 2026US 2026/0301937 A1Coplus Inc.
- Hazard detector contained within a fixture serving an unrelated purpose13 Aug 2026US 2026/0237279 A1Microchip Technology Incorporated
- Gas detection system23 Jul 2026US 2026/0210924 A1GE Vernova Infrastructure Technology LLC
- System and method for location monitoring and event-based sentinel management9 Jul 2026US 2026/0192455 A1Resideo LLC
- In-vehicle gas leak detection safety and alarming system9 Jul 2026US 2026/0194410 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Mobile entertainment and communication device517US 7,321,783 B2Minerva Industries, Inc. · 2008
- Functional monitoring of an electrolytic gas sensor having three electrodes, and hazard alarm and gas measuring device248US 9,360,449 B2Siemens Aktiengesellschaft · 2016
- Wireless sensor unit161US 7,142,107 B22006
- Autonomous personal service robot120US 8,359,122 B2Vision Robotics Corporation · 2013
- Smart-home hazard detector providing useful follow up communications to detection events113US 8,988,232 B1Google Inc. · 2015