- All sections
- G - Physics
- G05D - Systems for controlling or regulating non-electric variables
- G05D 9/00 - Level control, e.g. controlling quantity of material stored in vessel
Patent holdings for IPC class G05D 9/00
Total number of patents in this class: 503
10-year publication summary
|
24
|
34
|
13
|
13
|
22
|
9
|
6
|
2
|
4
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 6171 |
19 |
| Zeco Systems Pte Ltd | 22 |
15 |
| Causam Enterprises, Inc. | 132 |
12 |
| Enel X North America, Inc. | 127 |
12 |
| Landis+Gyr Technology, Inc. | 524 |
10 |
| Haier US Appliance Solutions, Inc. | 4033 |
9 |
| GE Digital Holdings LLC | 286 |
8 |
| International Business Machines Corporation | 62634 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
6 |
| Google LLC | 44482 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
5 |
| Toshiba Corporation | 12560 |
5 |
| Accenture Global Services Limited | 1306 |
5 |
| Tyco Fire & Security GmbH | 3640 |
5 |
| General Electric Company | 13899 |
4 |
| Kyocera Corporation | 14359 |
4 |
| Johnson Controls Technology Company | 1384 |
4 |
| Global Embedded Technologies, Inc. | 8 |
4 |
| Vestas Wind Systems A/S | 3796 |
4 |
| Sony Corporation | 30181 |
3 |
| Other owners | 357 |