- 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: 535
10-year publication summary
|
57
|
40
|
24
|
34
|
13
|
13
|
22
|
9
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 5873 |
19 |
| Zeco Systems Pte Ltd | 19 |
14 |
| Causam Enterprises, Inc. | 121 |
12 |
| Enel X North America, Inc. | 125 |
12 |
| Landis+Gyr Technology, Inc. | 406 |
10 |
| Haier US Appliance Solutions, Inc. | 3178 |
9 |
| GE Digital Holdings LLC | 351 |
8 |
| International Business Machines Corporation | 60644 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
6 |
| Accenture Global Services Limited | 1802 |
6 |
| Google LLC | 38759 |
6 |
| General Electric Company | 18133 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
5 |
| Toshiba Corporation | 12017 |
5 |
| Johnson Controls Technology Company | 1522 |
5 |
| Tyco Fire & Security GmbH | 2172 |
5 |
| Sony Corporation | 32931 |
4 |
| NEC Corporation | 32703 |
4 |
| Kyocera Corporation | 12735 |
4 |
| Global Embedded Technologies, Inc. | 8 |
4 |
| Other owners | 386 |