- All sections
- G - Physics
- G05D - Systems for controlling or regulating non-electric variables
- G05D 16/08 - Control of liquid pressure
Patent holdings for IPC class G05D 16/08
Total number of patents in this class: 56
10-year publication summary
|
2
|
3
|
2
|
4
|
7
|
5
|
1
|
6
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nelson Irrigation Corporation | 126 |
4 |
| Baker Hughes Oilfield Operations, LLC | 1885 |
4 |
| Emerson Process Management Regulator Technologies, Inc. | 373 |
2 |
| Fisher Controls International LLC | 1520 |
2 |
| Global Agricultural Technology and Engineering, LLC | 24 |
2 |
| Volvo Construction Equipment AB | 1172 |
2 |
| Zalman Tech Co., Ltd. | 65 |
2 |
| General Electric Company | 18133 |
1 |
| Pratt & Whitney Canada Corp. | 4215 |
1 |
| Canon Inc. | 36841 |
1 |
| Airbus Operations GmbH | 3188 |
1 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
1 |
| Caterpillar Inc. | 8877 |
1 |
| Baidu USA LLC | 1085 |
1 |
| Bermad CS Ltd. | 54 |
1 |
| CEM Corporation | 101 |
1 |
| Crane Limited | 44 |
1 |
| Doosan Infracore Co., Ltd. | 313 |
1 |
| Energy Recovery, Inc. | 168 |
1 |
| Evoqua Water Technologies LLC | 904 |
1 |
| Other owners | 25 |