- All sections
- C - Chemistrymetallurgy
- C10C - Working-up tar, pitch, asphalt, bitumenpyroligneous acid
- C10C 3/18 - Removing in solid form from reaction vessels, containers and the like, e.g. by cutting out, by pressing
Patent holdings for IPC class C10C 3/18
Total number of patents in this class: 12
10-year publication summary
|
4
|
1
|
1
|
1
|
2
|
4
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Philergos Group Foundation | 13 |
4 |
| Pyrophase, Inc. | 11 |
2 |
| Canadian National Railway Company | 145 |
1 |
| MEG Energy Corp. | 12 |
1 |
| SunCor Energy Inc. | 734 |
1 |
| AMEC Foster Wheeler USA Corporation | 23 |
1 |
| Litwin | 3 |
1 |
| Solideum Holdings Inc. | 3 |
1 |
| Other owners | 0 |