- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 33/62 - Handling the filter cake in the filter for purposes other than for regenerating for drying
Patent holdings for IPC class B01D 33/62
Total number of patents in this class: 22
10-year publication summary
|
0
|
5
|
3
|
1
|
2
|
1
|
3
|
1
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Charles Machine Works, Inc. | 410 |
4 |
| Xeros Limited | 137 |
3 |
| Schellstede-lee Interests, LLC | 3 |
3 |
| INEOS US Chemicals Company | 32 |
3 |
| Kronos International, Inc. | 110 |
2 |
| BP Corporation North America Inc. | 744 |
1 |
| Salsnes Filter AS | 1 |
1 |
| Landwehr, Frank | 1 |
1 |
| Medved, Mitja | 1 |
1 |
| Pierau, Thomas | 1 |
1 |
| Lean Pulp Oy | 2 |
1 |
| SNF Group | 2 |
1 |
| Other owners | 0 |