- All sections
- G - Physics
- G05D - Systems for controlling or regulating non-electric variables
- G05D 11/12 - Controlling ratio of two or more flows of fluid or fluent material with auxiliary non-electric power by sensing viscosity of mixture
Patent holdings for IPC class G05D 11/12
Total number of patents in this class: 8
10-year publication summary
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20933 |
2 |
| Chevron U.S.A. Inc. | 3955 |
2 |
| SunCor Energy Inc. | 735 |
2 |
| Cidra Corporate Services, Inc. | 202 |
1 |
| Cidra Corporate Services, LLC | 93 |
1 |
| Other owners | 0 |