- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F17D - Pipe-line systemspipe-lines
- F17D 3/08 - Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of several different products following one another in the same conduit, e.g. for switching from one receiving tank to another the different products being separated by "go-devils", e.g. spheres
Patent holdings for IPC class F17D 3/08
Total number of patents in this class: 12
10-year publication summary
|
1
|
0
|
4
|
3
|
0
|
3
|
1
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| No-des, Inc. | 14 |
2 |
| Baker Hughes Holdings LLC | 3034 |
2 |
| Aalto University Foundation | 280 |
1 |
| Asel-Tech Technologia E Automacao Ltda. | 3 |
1 |
| Cokebusters Ltd. | 11 |
1 |
| ENI S.p.A. | 1255 |
1 |
| The Lubrizol Corporation | 1312 |
1 |
| Suez Groupe | 171 |
1 |
| Vetco Gray Scandinavia AS | 172 |
1 |
| Green Mill Supercritical, Inc. | 8 |
1 |
| Other owners | 0 |