G05B 2219/14131
Workby plc, all plc function in parallel, synchronous data exchange
G05B2219/14131 (Workby plc, all plc function in parallel, synchronous data exchange) appears on 11 US grants and 8 published applications in this corpus.
Search patents in G05B- Granted patents
- 11
- Published applications
- 8
- Assignees
- 9
- Inventors
- 25
- Latest grant
- 1 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for operating a redundant automation system to increase availability of the automation system1 Mar 2022US 11,262,745 B2Siemens Aktiengesellschaft
- Interface conversion device of programmable logic controller (PLC) system and PLC system thereof9 Jun 2020US 10,678,729 B1Lsis Co., Ltd.
- Redundant automation system2 Aug 2016US 9,405,644 B2Siemens Aktiengesellschaft
- Method and apparatus for providing redundancy in an industrial control system29 Jan 2013US 8,364,291 B2Rockwell Automation Technologies, Inc.
- System and method for establishing consistent memory contents in redundant systems25 Oct 2005US 6,959,400 B2Siemens Aktiengesellschaft
- Programmable logic controller21 Aug 2025US 2025/0264852 A1Keyence Corporation
- Production system, data transmission method, and information storage medium16 Sep 2021US 2021/0286343 A1Kabushiki Kaisha Yaskawa Denki
- Method for operating a redundant automation system7 Dec 2017US 2017/0351252 A1Siemens Aktiengesellschaft
- Redundant Automation System2 Apr 2015US 2015/0095690 A1Siemens Aktiengesellschaft
- Method And Apparatus For Providing Redundancy In An Industrial Control System14 May 2009US 2009/0125122 A1Rockwell Automation Technologies, Inc.
Most cited
By later US patents
- Programmable controller backup system169US 5,777,874 AAllen-Bradley Company, Inc. · 1998
- Redundant, multitasking industrial controllers with synchronized data tables53US 6,411,857 B1Rockwell Automation Technologies, Inc. · 2002
- Industrial controller with program synchronized updating of back-up controller33US 5,933,347 AAllen-Bradley Company, Inc. · 1999
- Apparatus for detecting parity errors among asynchronous digital signals17US 5,392,424 AAllen-Bradley Company, Inc. · 1995
- Redundant multitasking industrial controllers synchronized data tables17US 5,912,814 AAllen-Bradley Company, Inc. · 1999