G08B 7/04
Signalling systems according to two or more of groups g08b3/00 - g08b6/00
Official title: using hydraulic transmission; using pneumatic transmission
G08B7/04 (Signalling systems according to two or more of groups g08b3/00 - g08b6/00) appears on 9 US grants and 5 published applications in this corpus.
Search patents in G08B- Granted patents
- 9
- Published applications
- 5
- Assignees
- 2
- Inventors
- 12
- Latest grant
- 27 Aug 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 3 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus, systems, and methods for signal localization and differentiation27 Aug 2019US 10,395,491 B2
- Apparatus, systems, and methods for signal localization and differentiation19 Jun 2018US 10,002,502 B2
- Parking brake warning system for air brakes10 Apr 2018US 9,940,816 B2
- Apparatus, systems, and methods for signal localization and differentiation20 Dec 2016US 9,524,625 B1
- Apparatus, systems, and methods for signal localization and differentiation6 Dec 2016US 9,514,619 B1
- Intermittent pneumatic buzzer9 Jul 2026US 2026/0193072 A1CMO, Inc.
- Apparatus, systems, and methods for signal localization and differentiation19 Dec 2019US 2019/0385423 A1
- Apparatus, systems, and methods for signal localization and differentiation18 Oct 2018US 2018/0301003 A1
- Apparatus, systems, and methods for signal localization and differentiation9 Mar 2017US 2017/0069182 A1
- Parking Brake Warning System for Air Brakes3 Sep 2015US 2015/0248831 A1
Most cited
By later US patents
- Alarm light17US 4,247,844 AZelco Industries, Inc. · 1981
- Foot pressure monitor10US 6,087,926 A2000
- Machine for waking a sleeper3US 7,283,427 B12007
- Apparatus, systems and methods for signal localization and differentiation3US 9,305,442 B12016
- Parking brake warning system for air brakes1US 9,940,816 B22018