H04L 2012/4026
Bus for use in automation systems
Official title: {Bus for use in automation systems}
H04L2012/4026 (Bus for use in automation systems) appears on 486 US grants and 565 published applications in this corpus.
Search patents in H04L- Granted patents
- 486
- Published applications
- 565
- Assignees
- 258
- Inventors
- 1,209
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 12 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 7 | 9 |
| 2003 | 6 | 10 |
| 2004 | 4 | 14 |
| 2005 | 9 | 6 |
| 2006 | 13 | 22 |
| 2007 | 4 | 25 |
| 2008 | 10 | 20 |
| 2009 | 7 | 35 |
| 2010 | 17 | 34 |
| 2011 | 29 | 21 |
| 2012 | 27 | 27 |
| 2013 | 15 | 22 |
| 2014 | 21 | 15 |
| 2015 | 20 | 18 |
| 2016 | 27 | 13 |
| 2017 | 13 | 19 |
| 2018 | 16 | 27 |
| 2019 | 28 | 29 |
| 2020 | 24 | 33 |
| 2021 | 28 | 38 |
| 2022 | 38 | 44 |
| 2023 | 28 | 29 |
| 2024 | 34 | 16 |
| 2025 | 21 | 25 |
| 2026 | 8 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ethernet switch with integrated power supply unit12 May 2026US 12,625,535 B2Murrelektronik GmbH
- Networked food preparation apparatus12 May 2026US 12,627,522 B2Duke Manufacturing Co.
- Utilizing quality-of-service metrics to facilitate transitions between I/O channels for I/O server services5 May 2026US 12,619,209 B2Fisher-Rosemount Systems, Inc.
- Network port circuit14 Apr 2026US 12,603,947 B2R. Stahl Schaltgeräte GmbH
- Apparatus for connecting a field device to a control system17 Mar 2026US 12,579,092 B2Turck Holding GmbH
- Method and system for exchanging data in a main subscriber and sub-subscriber fieldbus system3 Sep 2026US 2026/0261453 A1Beckhoff Automation GmbH
- Networked food preparation apparatus27 Aug 2026US 2026/0254674 A1Duke Manufacturing Co.
- Method and system for establishing a communication link between an operating unit and a field device from automation engineering6 Aug 2026US 2026/0227766 A1Endress + Hauser Process Solutions AG
- Anti-loop method for 5gs tsn virtual bridge, device, and storage medium23 Jul 2026US 2026/0213975 A1Zte Corporation
- Edge module and communication methods7 May 2026US 2026/0126935 A1nVent Services GmbH
Most cited
By later US patents
- System to interconnect, link, and control variable transmission windows and variable transmission window constructions356US 6,567,708 B1Gentex Corporation · 2003
- Security system network201US 4,980,913 AVindicator Corporation · 1990
- Variable transmission window constructions195US 7,085,609 B2Gentex Corporation · 2006
- Control infrastructure164US 10,116,461 B2Systech Corporation · 2018
- System to control variable transmission windows having a security system interface164US 6,829,511 B2Gentex Corporation · 2004