G08B 3/00
Audible signalling systems
Official title: Audible signalling systems, e.g. audible personal calling systems
G08B3/00 (Audible signalling systems) appears on 3,063 US grants and 2,747 published applications in this corpus.
Search patents in G08B- Granted patents
- 3,063
- Published applications
- 2,747
- Assignees
- 1,213
- Inventors
- 5,337
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 10 | 0 |
| 1978 | 25 | 0 |
| 1979 | 15 | 0 |
| 1980 | 22 | 0 |
| 1981 | 25 | 0 |
| 1982 | 17 | 0 |
| 1983 | 26 | 0 |
| 1984 | 21 | 0 |
| 1985 | 19 | 0 |
| 1986 | 14 | 0 |
| 1987 | 28 | 0 |
| 1988 | 30 | 0 |
| 1989 | 48 | 0 |
| 1990 | 41 | 0 |
| 1991 | 35 | 0 |
| 1992 | 22 | 0 |
| 1993 | 41 | 0 |
| 1994 | 41 | 0 |
| 1995 | 40 | 0 |
| 1996 | 48 | 0 |
| 1997 | 43 | 0 |
| 1998 | 44 | 0 |
| 1999 | 41 | 0 |
| 2000 | 41 | 0 |
| 2001 | 37 | 8 |
| 2002 | 29 | 34 |
| 2003 | 33 | 33 |
| 2004 | 24 | 38 |
| 2005 | 22 | 32 |
| 2006 | 43 | 46 |
| 2007 | 20 | 38 |
| 2008 | 31 | 43 |
| 2009 | 19 | 37 |
| 2010 | 20 | 39 |
| 2011 | 25 | 37 |
| 2012 | 25 | 34 |
| 2013 | 32 | 53 |
| 2014 | 52 | 66 |
| 2015 | 72 | 138 |
| 2016 | 89 | 168 |
| 2017 | 173 | 196 |
| 2018 | 164 | 235 |
| 2019 | 217 | 220 |
| 2020 | 227 | 250 |
| 2021 | 204 | 221 |
| 2022 | 190 | 216 |
| 2023 | 180 | 159 |
| 2024 | 149 | 160 |
| 2025 | 138 | 151 |
| 2026 | 98 | 95 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method, software and device for implementing personal safety functionalities6 Oct 2026US 12,755,623 B2
- Systems and methods to provide a portable alert device29 Sep 2026US 12,749,382 B2Birdie Love LLC
- Alarm event imaging by a security / automation system control panel29 Sep 2026US 12,749,383 B2Tyco Fire & Security GmbH
- Brake shoe15 Sep 2026US 12,735,265 B2Caljan A/S
- Generating novelty sounds based on a state of a building15 Sep 2026US 12,738,133 B2Vivint, Inc.
- Power tool8 Oct 2026US 2026/0309756 A1
- Entry management system8 Oct 2026US 2026/0311532 A11AHEAD Technologies
- Doorbell communication systems and methods1 Oct 2026US 2026/0303402 A1SkyBell Technologies IP, LLC
- Multifunction portable illumination system24 Sep 2026US 2026/0287126 A1Immobileyes Inc.
- System24 Sep 2026US 2026/0290140 A1SoftBank Group Corp.
Most cited
By later US patents
- Medical alert distribution system with selective filtering of medical information683US 5,576,952 AMetriplex, Inc. · 1996
- Patient care and communication system530US 5,594,786 AExecutone Information Systems, Inc. · 1997
- Localized projection of audible noises in medical settings525US 10,388,120 B2Masimo Corporation · 2019
- Patient care and communication system495US 5,689,229 AExecutone Information Systems, Inc. · 1997
- Personal paging, communications, and locating system486US 5,588,009 A1996