- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F17D - Pipe-line systems; pipe-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: 4
10-year publication summary
|
1
|
0
|
0
|
0
|
2
|
0
|
0
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aker Solutions AS | 226 |
1 |
| The Green Rain Barrel Incorporated | 3 |
1 |
| Patriot Coal Corporation | 1 |
1 |
| Massicotte, Louis | 3 |
1 |
| Other owners | 0 |