- All sections
- G - Physics
- G05D - Systems for controlling or regulating non-electric variables
- G05D 16/18 - Control of fluid pressure with auxiliary non-electric power derived from an external source
Patent holdings for IPC class G05D 16/18
Total number of patents in this class: 66
10-year publication summary
|
3
|
5
|
9
|
3
|
3
|
4
|
4
|
1
|
1
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Life Technologies Corporation | 3456 |
4 |
| Emerson Process Management Regulator Technologies, Inc. | 389 |
4 |
| Fisher Controls International LLC | 1460 |
3 |
| Global Met Tech Pty Ltd | 3 |
3 |
| AES Engineering Ltd. | 83 |
2 |
| Avantium Technologies B.V. | 24 |
2 |
| Hexagon Technology AS | 133 |
2 |
| Liebherr-Aerospace Toulouse SAS | 161 |
2 |
| Nelson Irrigation Corporation | 124 |
2 |
| Spectron Gas Control Systems GmbH | 10 |
2 |
| Total Walther GmbH, Feuerschutz und Sicherheit | 6 |
2 |
| Asco Numatics GmbH | 10 |
1 |
| Danfoss (Tianjin) Ltd. | 110 |
1 |
| Durr Systems GmbH | 258 |
1 |
| Eisenmann AG | 98 |
1 |
| Eisenmann SE | 146 |
1 |
| Enhanced Drilling AS | 45 |
1 |
| Equilibar, LLC | 31 |
1 |
| EXEL Industries | 568 |
1 |
| Fluke Corporation | 1000 |
1 |
| Other owners | 29 |