G08B 5/00
Visible signalling systems
Official title: Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied
G08B5/00 (Visible signalling systems) appears on 5,020 US grants and 4,953 published applications in this corpus.
Search patents in G08B- Granted patents
- 5,020
- Published applications
- 4,953
- Assignees
- 1,984
- Inventors
- 9,200
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 16 | 0 |
| 1978 | 22 | 0 |
| 1979 | 13 | 0 |
| 1980 | 16 | 0 |
| 1981 | 13 | 0 |
| 1982 | 12 | 0 |
| 1983 | 20 | 0 |
| 1984 | 17 | 0 |
| 1985 | 21 | 0 |
| 1986 | 15 | 0 |
| 1987 | 30 | 0 |
| 1988 | 27 | 0 |
| 1989 | 44 | 0 |
| 1990 | 35 | 0 |
| 1991 | 43 | 0 |
| 1992 | 45 | 0 |
| 1993 | 39 | 0 |
| 1994 | 54 | 0 |
| 1995 | 65 | 0 |
| 1996 | 61 | 0 |
| 1997 | 54 | 0 |
| 1998 | 65 | 0 |
| 1999 | 72 | 0 |
| 2000 | 93 | 0 |
| 2001 | 56 | 11 |
| 2002 | 63 | 51 |
| 2003 | 45 | 44 |
| 2004 | 39 | 60 |
| 2005 | 42 | 53 |
| 2006 | 45 | 70 |
| 2007 | 32 | 62 |
| 2008 | 41 | 57 |
| 2009 | 22 | 54 |
| 2010 | 32 | 72 |
| 2011 | 26 | 53 |
| 2012 | 48 | 83 |
| 2013 | 62 | 120 |
| 2014 | 104 | 205 |
| 2015 | 134 | 271 |
| 2016 | 200 | 365 |
| 2017 | 327 | 402 |
| 2018 | 351 | 376 |
| 2019 | 384 | 422 |
| 2020 | 397 | 429 |
| 2021 | 319 | 404 |
| 2022 | 339 | 392 |
| 2023 | 302 | 290 |
| 2024 | 312 | 246 |
| 2025 | 255 | 243 |
| 2026 | 126 | 118 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G08B 5/22Visible signalling systems: using electric transmission4,525
- G08B 5/002Distress signalling devices139
- G08B 5/004Reflective safety signalling devices attached on persons135
- G08B 5/006Portable traffic signalling devices115
- G08B 5/02Visible signalling systems: using only mechanical transmission27
- G08B 5/40Visible signalling systems: using smoke, fire or coloured gases25
- G08B 5/06Visible signalling systems: using hydraulic transmission20
- G08B 5/008Traffic signalling mirrors4
Recent patents
- Network-connected containers having medication stored therein6 Oct 2026US 12,751,901 B1Verily Health Inc.
- Device for displaying in response to a sensed motion6 Oct 2026US 12,756,232 B2May Patents Ltd.
- Systems and methods for indicating tampering of a container29 Sep 2026US 12,747,075 B2The Boeing Company
- Near-field communication enabled luggage item stowage bins29 Sep 2026US 12,750,091 B2AT&T Intellectual Property I, L.P.
- Secure communication for commissioning and decommissioning circuit breakers and panel system29 Sep 2026US 12,750,674 B2Leviton Manufacturing Co., Inc.
- Power tool8 Oct 2026US 2026/0309756 A1
- Optimized individualized prebiotic compositions8 Oct 2026US 2026/0311575 A1ISOThrive Inc.
- Data logging device including multiple sensors and multiple modes of operation8 Oct 2026US 2026/0311585 A1Axzon Inc.
- Flexible Smart Sensor Decal with Integrated Wireless Communication and Energy Harvesting1 Oct 2026US 2026/0298859 A1
- Personal signaling device1 Oct 2026US 2026/0301550 A1S&S Precision, LLC
Most cited
By later US patents
- Medicament dispensing device with a display indicative of the state of an internal medicament reservoir1,620US 7,331,340 B2IVAX Corporation · 2008
- Apparatus and method for measuring biologic parameters1,280US 7,187,960 B22007
- Alarm for patient monitor and life support equipment system1,208US 5,319,355 A1994
- Alarm for patient monitor and life support equipment952US 5,534,851 A1996
- Alarm suspend system895US 8,203,438 B2Masimo Corporation · 2012