H04L 12/40189
By using a plurality of bus systems
Official title: {by using a plurality of bus systems}
H04L12/40189 (By using a plurality of bus systems) appears on 136 US grants and 151 published applications in this corpus.
Search patents in H04L- Granted patents
- 136
- Published applications
- 151
- Assignees
- 115
- Inventors
- 383
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 2 | 1 |
| 2005 | 2 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 4 |
| 2008 | 0 | 2 |
| 2009 | 2 | 3 |
| 2010 | 1 | 5 |
| 2011 | 5 | 5 |
| 2012 | 4 | 4 |
| 2013 | 3 | 3 |
| 2014 | 3 | 6 |
| 2015 | 2 | 8 |
| 2016 | 4 | 7 |
| 2017 | 7 | 5 |
| 2018 | 4 | 1 |
| 2019 | 10 | 12 |
| 2020 | 4 | 16 |
| 2021 | 12 | 19 |
| 2022 | 18 | 16 |
| 2023 | 13 | 10 |
| 2024 | 11 | 6 |
| 2025 | 8 | 7 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vehicle network for data communication between components of a vehicle8 Sep 2026US 12,732,395 B2ZF CV Systems Global GmbH
- Apparatus for connecting a field device to a control system17 Mar 2026US 12,579,092 B2Turck Holding GmbH
- CAN-FD redundancy for high availability industrial I/O subsystems3 Mar 2026US 12,567,994 B2Schneider Electric Systems USA, Inc.
- Communication semiconductor device capable of switching between redundant mode and non-redundant mode17 Feb 2026US 12,556,429 B2Hitachi Astemo, Ltd.
- Aircraft monitoring system16 Dec 2025US 12,497,194 B2General Electric Company
- Information processing device27 Aug 2026US 2026/0254676 A1Toyota Jidosha Kabushiki Kaisha
- In-vehicle communication system and control method of in-vehicle communication system23 Jul 2026US 2026/0213973 A1Denso Corporation
- Aircraft monitoring system2 Jul 2026US 2026/0184440 A1General Electric Company
- Data transmission architecture and vehicle fitted with such architecture26 Feb 2026US 2026/0054850 A1Airbus Helicopters
- Can-fd redundancy for high availability industrial i/o subsystems26 Feb 2026US 2026/0058843 A1Schneider Electric Systems USA, Inc.
Most cited
By later US patents
- Control systems and methods of providing the same177US 8,315,718 B2General Electric Company · 2012
- Deterministic network protocol114US 5,706,278 ARaytheon Company · 1998
- System, apparatus and method for controlling a multiple access data communications system including variable length data packets and fixed length collision-free voice packets60US 4,516,239 AAT&T Bell Laboratories · 1985
- Method for fault-tolerant communication under strictly real-time conditions55US 5,784,547 AABB Patent GmbH · 1998
- Access control method for DQDB network51US 5,124,981 AInternational Business Machines Corporation · 1992