G05B 2219/14055
Make log, journal, history file of state changes
G05B2219/14055 (Make log, journal, history file of state changes) appears on 27 US grants and 28 published applications in this corpus.
Search patents in G05B- Granted patents
- 27
- Published applications
- 28
- Assignees
- 21
- Inventors
- 84
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 3 |
| 2017 | 0 | 4 |
| 2018 | 3 | 3 |
| 2019 | 3 | 0 |
| 2020 | 2 | 4 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 2 | 1 |
| 2024 | 2 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Trigger relay unit of programmable controller, trigger transmission system, trigger transmission method, and recording medium4 Nov 2025US 12,461,501 B2Mitsubishi Electric Corporation
- Method and system for semi-automated generation of machine-readable skill descriptions of production modules14 Oct 2025US 12,443,857 B2Siemens Aktiengesellschaft
- Control device, logging method, and recording medium having program recorded thereon23 Jan 2024US 11,880,194 B2OMRON Corporation
- Programmable display device with user input configuration adjustment2 Jan 2024US 11,860,600 B2Schneider Electric Japan Holdings Ltd.
- Digital input edge detection with smart filtering algorithm6 Jun 2023US 11,669,065 B2Honeywell International Inc.
- Programmable controller, terminal device, method of providing information, and recording medium30 Apr 2026US 2026/0118845 A1Mitsubishi Electric Corporation
- Programmable logic controller, support device, and display device29 Jan 2026US 2026/0029771 A1Fuji Electric Co., Ltd.
- Trigger relay unit of programmable controller, trigger transmission system, trigger transmission method, and recording medium22 May 2025US 2025/0164961 A1Mitsubishi Electric Corporation
- Data distribution control apparatus, data distribution control method, and non-transitory computer-readable medium19 Jan 2023US 2023/0019594 A1NTT Communications Corporation
- Control device, logging method, and recording medium having program recorded thereon24 Nov 2022US 2022/0374005 A1OMRON Corporation
Most cited
By later US patents
- Computer management control system131US 4,718,025 ACentec Corporation · 1988
- Distributed logic control system and method72US 5,157,595 AEl Paso Technologies Company · 1992
- Using soft-sensors in a programmable logic controller67US 10,739,746 B2Siemens Aktiengesellschaft · 2020
- Network interface board having memory mapped mailbox registers including alarm registers for storing prioritized alarm messages from programmable logic controllers67US 5,251,302 ASquare D Company · 1993
- Methods and apparatus for maintaining a programmable logic control revision history39US 6,701,284 B1GE Fanuc Automation North America, Inc. · 2004