- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/46 - Edge filtering elements, i.e. using contiguous impervious surfaces of flat, stacked bodies
Patent holdings for IPC class B01D 29/46
Total number of patents in this class: 148
10-year publication summary
|
10
|
10
|
13
|
8
|
11
|
9
|
9
|
2
|
3
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17819 |
9 |
| Specialized Desanders Inc. | 45 |
8 |
| Rio Tinto ALCAN International Limited | 217 |
5 |
| Tavlit Plastic Ltd. | 6 |
4 |
| Toray Advanced Materials Korea Inc. | 260 |
3 |
| Amukon Kabushiki Kaisha | 11 |
3 |
| GLOBALFOUNDRIES U.S. Inc. | 6432 |
3 |
| Imagine TF, LLC | 36 |
3 |
| Pall Corporation | 336 |
3 |
| C.C. Jensen A/S | 48 |
3 |
| LG Chem, Ltd. | 17638 |
2 |
| Daimler AG | 3388 |
2 |
| NGK Insulators, Ltd. | 4964 |
2 |
| Toray Industries, Inc. | 6945 |
2 |
| BL Technologies, Inc. | 832 |
2 |
| Enplas Corporation | 889 |
2 |
| Entegris, Inc. | 1869 |
2 |
| Greenfield Specialty Alcohols Inc. | 20 |
2 |
| Guangdong Liansu Technology Industrial Co., Ltd | 64 |
2 |
| LG Nanoh20, Inc. | 15 |
2 |
| Other owners | 84 |