- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 46/58 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
Patent holdings for IPC class B01D 46/58
Total number of patents in this class: 133
10-year publication summary
|
0
|
0
|
3
|
1
|
5
|
14
|
30
|
29
|
46
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
10 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 196 |
10 |
| Donaldson Company, Inc. | 1513 |
8 |
| Carl Freudenberg KG | 1346 |
5 |
| Ufi Innovation Center S.r.l. | 62 |
5 |
| Life Technologies Corporation | 3068 |
4 |
| Hilti Aktiengesellschaft | 3227 |
4 |
| Coway Co., Ltd. | 649 |
3 |
| Cummins Filtration IP, Inc. | 812 |
3 |
| Filtration Technology Corporation | 47 |
3 |
| MANN+HUMMEL GmbH | 1682 |
3 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
3 |
| The Boeing Company | 19843 |
2 |
| Caterpillar Inc. | 8877 |
2 |
| Benetech, Inc. | 34 |
2 |
| Duerr Systems AG | 175 |
2 |
| Entegris, Inc. | 1736 |
2 |
| EOS GmbH Electro Optical Systems | 398 |
2 |
| Parker-Hannifin Corporation | 999 |
2 |
| Valeo Systemes Thermiques | 2471 |
2 |
| Other owners | 56 |