- All sections
- G - Physics
- G05B - Control or regulating systems in generalfunctional elements of such systemsmonitoring or testing arrangements for such systems or elements
- G05B 19/05 - Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
Patent holdings for IPC class G05B 19/05
Total number of patents in this class: 2897
10-year publication summary
214
|
200
|
286
|
306
|
309
|
261
|
298
|
203
|
185
|
66
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 45646 |
479 |
Omron Corporation | 7217 |
450 |
Siemens AG | 24562 |
227 |
Rockwell Automation Technologies, Inc. | 2719 |
119 |
FANUC Corporation | 6551 |
71 |
Fisher-Rosemount Systems, Inc. | 789 |
36 |
Phoenix Contact GmbH & Co. KG | 2265 |
35 |
Honeywell International Inc. | 13582 |
26 |
Lsis Co., Ltd. | 817 |
25 |
ABB Schweiz AG | 6865 |
24 |
Kabushiki Kaisha Yaskawa Denki | 1478 |
20 |
Schneider Electric Industries SAS | 1471 |
20 |
Hitachi, Ltd. | 15383 |
19 |
Siemens Industry, Inc. | 1441 |
18 |
Hitachi Industrial Equipment Systems Co., Ltd. | 1446 |
18 |
Yokogawa Electric Corporation | 1714 |
18 |
Beckhoff Automation GmbH | 514 |
17 |
LS ELECTRIC Co., Ltd | 652 |
16 |
ABB AG | 328 |
14 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6273 |
14 |
Other owners | 1231 |