- All sections
- B - Performing operations; transporting
- B04C - Apparatus using free vortex flow, e.g. cyclones
- B04C 5/16 - Construction of the underflow ducting; Apex constructions; Discharge arrangements with variable-size outlets from the underflow ducting
Patent holdings for IPC class B04C 5/16
Total number of patents in this class: 12
10-year publication summary
|
0
|
0
|
3
|
1
|
0
|
3
|
0
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shell Internationale Research Maatschappij B.V. | 3792 |
2 |
| Shell Canada Limited | 139 |
2 |
| Metso Sweden AB | 43 |
2 |
| KORT Industries, LLC | 2 |
2 |
| Aramco Services Company | 3504 |
1 |
| Saudi Arabian Oil Company | 11322 |
1 |
| Chongqing Technology and Business University | 4 |
1 |
| Metso Outotec Sweden AB | 19 |
1 |
| Other owners | 0 |