- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F17D - Pipe-line systemspipe-lines
- F17D 1/16 - Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity
Patent holdings for IPC class F17D 1/16
Total number of patents in this class: 188
10-year publication summary
|
10
|
16
|
14
|
12
|
12
|
17
|
8
|
5
|
4
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LiquidPower Specialty Products, Inc. | 69 |
21 |
| Chevron U.S.A. Inc. | 4140 |
9 |
| Saudi Arabian Oil Company | 14235 |
8 |
| Chevron Oronite Company LLC | 594 |
7 |
| Commonwealth Scientific and Industrial Research Organisation | 1655 |
4 |
| Ecolab USA Inc. | 5796 |
4 |
| Championx USA Inc. | 174 |
4 |
| Iris Tech, Inc. | 21 |
4 |
| Aramco Services Company | 4195 |
3 |
| BP Exploration Operating Company Limited | 257 |
3 |
| ConocoPhillips Company | 1709 |
3 |
| Innospec Limited | 408 |
3 |
| King Fahd University of Petroleum & Minerals | 194 |
3 |
| SunCor Energy Inc. | 734 |
3 |
| Vetco Gray Scandinavia AS | 167 |
3 |
| Schlumberger Norge AS | 73 |
2 |
| Halliburton Energy Services, Inc. | 21338 |
2 |
| Massachusetts Institute of Technology | 10251 |
2 |
| The Johns Hopkins University | 5882 |
2 |
| BL Technologies, Inc. | 843 |
2 |
| Other owners | 96 |