- All sections
- G - Physics
- G05B - Control or regulating systems in general; functional elements of such systems; monitoring 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: 2770
10-year publication summary
229
|
214
|
200
|
285
|
306
|
308
|
257
|
295
|
202
|
117
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 44547 |
455 |
Omron Corporation | 7033 |
439 |
Siemens AG | 24725 |
217 |
Rockwell Automation Technologies, Inc. | 2636 |
112 |
FANUC Corporation | 6054 |
63 |
Phoenix Contact GmbH & Co. KG | 2219 |
34 |
Fisher-Rosemount Systems, Inc. | 797 |
31 |
Honeywell International Inc. | 13698 |
26 |
Lsis Co., Ltd. | 817 |
25 |
ABB Schweiz AG | 6439 |
23 |
Hitachi, Ltd. | 16320 |
19 |
Schneider Electric Industries SAS | 1418 |
19 |
Siemens Industry, Inc. | 1407 |
18 |
Kabushiki Kaisha Yaskawa Denki | 1462 |
17 |
Beckhoff Automation GmbH | 496 |
16 |
Hitachi Industrial Equipment Systems Co., Ltd. | 1355 |
16 |
Yokogawa Electric Corporation | 1609 |
16 |
ABB AG | 332 |
14 |
LS ELECTRIC Co., Ltd | 562 |
14 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6240 |
13 |
Other owners | 1183 |