G05B 19/05
Programmable logic controllers
Official title: Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
G05B19/05 (Programmable logic controllers) appears on 2,756 US grants and 2,896 published applications in this corpus.
Search patents in G05B- Granted patents
- 2,756
- Published applications
- 2,896
- Assignees
- 861
- Inventors
- 5,696
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 14 | 0 |
| 1978 | 18 | 0 |
| 1979 | 11 | 0 |
| 1980 | 15 | 0 |
| 1981 | 24 | 0 |
| 1982 | 13 | 0 |
| 1983 | 10 | 0 |
| 1984 | 12 | 0 |
| 1985 | 16 | 0 |
| 1986 | 18 | 0 |
| 1987 | 21 | 0 |
| 1988 | 16 | 0 |
| 1989 | 28 | 0 |
| 1990 | 27 | 0 |
| 1991 | 29 | 0 |
| 1992 | 31 | 0 |
| 1993 | 32 | 0 |
| 1994 | 29 | 0 |
| 1995 | 28 | 0 |
| 1996 | 21 | 0 |
| 1997 | 18 | 0 |
| 1998 | 30 | 0 |
| 1999 | 26 | 0 |
| 2000 | 17 | 0 |
| 2001 | 21 | 17 |
| 2002 | 22 | 41 |
| 2003 | 29 | 43 |
| 2004 | 28 | 59 |
| 2005 | 39 | 51 |
| 2006 | 57 | 68 |
| 2007 | 40 | 64 |
| 2008 | 37 | 50 |
| 2009 | 31 | 71 |
| 2010 | 68 | 57 |
| 2011 | 48 | 49 |
| 2012 | 45 | 60 |
| 2013 | 55 | 93 |
| 2014 | 65 | 105 |
| 2015 | 78 | 169 |
| 2016 | 92 | 146 |
| 2017 | 90 | 139 |
| 2018 | 137 | 205 |
| 2019 | 200 | 227 |
| 2020 | 194 | 198 |
| 2021 | 173 | 213 |
| 2022 | 155 | 244 |
| 2023 | 153 | 146 |
| 2024 | 163 | 136 |
| 2025 | 138 | 142 |
| 2026 | 78 | 103 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Artificial intelligence powered, semantic preserving conversion system for hardware dedicated languages and programmable hardware22 Sep 2026US 12,743,068 B1Process Champ, LLC
- Extensible IDE platform with open APIs22 Sep 2026US 12,743,257 B2Rockwell Automation Technologies, Inc.
- Method and device for automated parameterisation of an IO-link device15 Sep 2026US 12,736,938 B2Balluff GmbH
- System for the operation and the assistance in the operation of a critical industrial process and associated method15 Sep 2026US 12,736,939 B2Electricite de France
- Master unit8 Sep 2026US 12,730,426 B2Fanuc Corporation
- Production plant and method for operating a production plant having a robot and a programmable logic controller with relative addressing8 Oct 2026US 2026/0307241 A1thyssenkrupp AG
- Process automation system with security interface8 Oct 2026US 2026/0310155 A1BASF SE
- Managing liquid cooling infrastructure and redundancies using planning template8 Oct 2026US 2026/0310270 A1American Megatrends International, LLC
- Wear leveling for programmable resources in programmable logic devices1 Oct 2026US 2026/0299543 A1Telefonaktiebolaget LM Ericsson (publ)
- Method for Executing Control Logic on a Control Device24 Sep 2026US 2026/0288107 A1ABB Schweiz AG
Most cited
By later US patents
- Interface systems for use with surgical instruments1,509US 10,004,497 B2Ethicon, Inc. · 2018
- Surgical instrument comprising interactive systems1,498US 9,820,738 B2Ethicon, Inc. · 2017
- Apparatus, method and article for authentication, security and control of power storage devices, such as batteries1,019US 9,182,244 B2Gogoro Inc. · 2015
- Surgical instrument displaying subsequent step of use597US 10,588,626 B2Ethicon, Inc. · 2020
- Interface systems for use with surgical instruments513US 10,863,981 B2Ethicon, Inc. · 2020