- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F17D - Pipe-line systemspipe-lines
- F17D 1/13 - Conveying liquids or viscous products by gravity
Patent holdings for IPC class F17D 1/13
Total number of patents in this class: 3
10-year publication summary
|
0
|
0
|
2
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aker Solutions AS | 176 |
1 |
| The Green Rain Barrel Incorporated | 3 |
1 |
| Patriot Coal Corporation | 1 |
1 |
| Other owners | 0 |