H04L 2012/40221
Profibus
Official title: {Profibus}
H04L2012/40221 (Profibus) appears on 74 US grants and 98 published applications in this corpus.
Search patents in H04L- Granted patents
- 74
- Published applications
- 98
- Assignees
- 49
- Inventors
- 192
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 4 |
| 2003 | 1 | 4 |
| 2004 | 4 | 3 |
| 2005 | 3 | 3 |
| 2006 | 2 | 8 |
| 2007 | 1 | 2 |
| 2008 | 2 | 5 |
| 2009 | 1 | 6 |
| 2010 | 5 | 9 |
| 2011 | 3 | 5 |
| 2012 | 5 | 8 |
| 2013 | 3 | 2 |
| 2014 | 9 | 7 |
| 2015 | 5 | 4 |
| 2016 | 5 | 4 |
| 2017 | 6 | 5 |
| 2018 | 0 | 2 |
| 2019 | 7 | 1 |
| 2020 | 2 | 5 |
| 2021 | 3 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 3 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Network port circuit14 Apr 2026US 12,603,947 B2R. Stahl Schaltgeräte GmbH
- Method for transmitting data packets15 Jul 2025US 12,362,848 B2Endress + Hauser GmbH + Co. KG
- Multi-protocol field device in process control systems15 Oct 2024US 12,120,204 B2Fisher-Rosemount Systems, Inc.
- Computer program and method for data communication23 Jul 2024US 12,047,299 B2Siemens Aktiengesellschaft
- Method for operating an automation technology facility10 Jan 2023US 11,550,298 B2Endress + Hauser Process Solutions AG
- Device with flexible communications structure for real-time capable network applications with high data security, in particular automation device, and method for configuration thereof17 Sep 2026US 2026/0278122 A1Hilscher Gesellschaft für Systemautomation mbH
- Data transmission architecture and vehicle fitted with such architecture26 Feb 2026US 2026/0054850 A1Airbus Helicopters
- Gateway for a fieldbus system19 Feb 2026US 2026/0052035 A1Murrelektronik GmbH
- Ethernet-APL Gateway12 Feb 2026US 2026/0044129 A1Siemens Aktiengesellschaft
- Systems and methods to control modbus redundancy15 May 2025US 2025/0158876 A1Schlumberger Technology Corporation
Most cited
By later US patents
- Process I/O to fieldbus interface circuit170US 5,764,891 ARosemount Inc. · 1998
- Plug and play reconfigurable USB interface for industrial fieldbus network access92US 6,839,790 B2Smar Research Corporation · 2005
- Address assignment method for at least one bus device that has recently been connected to a bus system59US 6,850,992 B2Siemens Aktiengesellschaft · 2005
- Fieldbus relay arrangement and method for implementing such arrangement47US 7,035,693 B2Smar Research Corporation · 2006
- Method and bus system for automatic address allocation32US 6,700,877 B1Siemens Aktiengesellschaft · 2004