G05B 2219/12
Plc mp multi processor system
G05B2219/12 (Plc mp multi processor system) appears on 207 US grants and 219 published applications in this corpus.
Search patents in G05B- Granted patents
- 207
- Published applications
- 219
- Assignees
- 113
- Inventors
- 509
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 3 |
| 2003 | 2 | 3 |
| 2004 | 0 | 1 |
| 2005 | 3 | 3 |
| 2006 | 1 | 3 |
| 2007 | 0 | 4 |
| 2008 | 3 | 0 |
| 2009 | 1 | 5 |
| 2010 | 5 | 6 |
| 2011 | 2 | 5 |
| 2012 | 3 | 1 |
| 2013 | 6 | 3 |
| 2014 | 2 | 6 |
| 2015 | 2 | 13 |
| 2016 | 4 | 17 |
| 2017 | 8 | 16 |
| 2018 | 9 | 12 |
| 2019 | 27 | 27 |
| 2020 | 20 | 16 |
| 2021 | 11 | 7 |
| 2022 | 9 | 33 |
| 2023 | 22 | 10 |
| 2024 | 12 | 14 |
| 2025 | 15 | 5 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G05B 2219/1215Leader-follower systemIndexing code72
- G05B 2219/1204Multiprocessing, several plc's, distributed logic controlIndexing code50
- G05B 2219/1214Real-time communication between plc, ethernet for configuration, monitorIndexing code44
- G05B 2219/1208Communication, exchange of control, i-o data between different plcIndexing code28
- G05B 2219/1205Memory access for different processors, memory arbitration, mailboxIndexing code12
- G05B 2219/1209Exchange control, i-o data to other plc, individually, without hostIndexing code6
- G05B 2219/1211Exchange control, i-o data to other plc, using separate synchronizingIndexing code6
- G05B 2219/1203Expand logical expression over multiple controllersIndexing code5
All 15 subgroupsShow fewer
- G05B 2219/1207Download programcode to node, i-o and execute programcodeIndexing code5
- G05B 2219/1216Interlock problem, avoid sending data to follower when follower processes dataIndexing code4
- G05B 2219/1202Modules with same hardware and softwareIndexing code2
- G05B 2219/1201Each plc can act as leader, flying leaderIndexing code1
- G05B 2219/1206All processors are loaded with same program, only part of program isIndexing code1
- G05B 2219/1212Exchange control data between plc's only when other plc's are inactiveIndexing code1
- G05B 2219/1213All plc send their input to a common image memory, output directlyIndexing code1
Recent patents
- Method and device for automated parameterisation of an IO-link device15 Sep 2026US 12,736,938 B2Balluff GmbH
- Master unit and communication system28 Jul 2026US 12,693,646 B2Fanuc Corporation
- Effective slave parameter management method and device of communication-based control system30 Jun 2026US 12,669,791 B2Ls Electric Co., Ltd.
- Exchanging of a programmable logic controller30 Jun 2026US 12,669,792 B2Siemens Mobility GmbH
- I/O unit, master unit, and communications system10 Mar 2026US 12,572,487 B2Fanuc Corporation
- Method for controlling automatic transit of yarn spindle, electronic device and storage medium28 May 2026US 2026/0145899 A1Zhejiang Hengyi Petrochemical Co., Ltd.
- Method and apparatus for controlling master-slave arm robot14 May 2026US 2026/0131450 A1Innolcon Medical Technology (Suzhou) Co., Ltd.
- Method for controlling automatic station-passing of yarn spindle, electronic device and storage medium2 Apr 2026US 2026/0093226 A1Zhejiang Hengyi Petrochemical Co., Ltd.
- System and method for controlling automatic transit of yarn spindle, electronic device and storage medium2 Apr 2026US 2026/0093227 A1Zhejiang Hengyi Petrochemical Co., Ltd.
- Method for controlling automatic station-passing of yarn spindle, electronic device and storage medium2 Apr 2026US 2026/0093228 A1Haining Hengyi New Materials Co., Ltd.
Most cited
By later US patents
- Programmable controller161US 4,307,447 AGould Inc. · 1981
- Industrial communications network with mastership determined by need123US 4,319,338 AAllen-Bradley Company, Inc. · 1982
- Peer-to-peer register exchange controller for PLCS100US 4,897,777 ASquare D Company · 1990
- Peer-to-peer register exchange controller for industrial programmable controllers99US 4,992,926 ASquare D Company · 1991
- Dual ethernet protocol stack for maximum speed access to a programmable logic controller (PLC)97US 6,587,884 B1Schneider Automation Inc. · 2003