- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 50/20 - Combinations of devices covered by groups and
Patent holdings for IPC class B01D 50/20
Total number of patents in this class: 290
10-year publication summary
|
0
|
3
|
8
|
25
|
30
|
60
|
45
|
50
|
34
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omachron Intellectual Property Inc. | 965 |
29 |
| Donaldson Company, Inc. | 1600 |
28 |
| MANN+HUMMEL GmbH | 1812 |
22 |
| LG Electronics Inc. | 75654 |
7 |
| Caterpillar Inc. | 10272 |
7 |
| Pall Corporation | 341 |
5 |
| The Sy-Klone Company, LLC | 48 |
5 |
| Atmus Filtration IP Inc. | 273 |
5 |
| Filtration Technology Corporation | 48 |
4 |
| Husqvarna AB | 3032 |
4 |
| Suzhou University of Science and Technology | 88 |
4 |
| The Charles Machine Works, Inc. | 419 |
3 |
| Duerr Systems AG | 252 |
3 |
| Milaebo Co., Ltd. | 22 |
3 |
| Techtronic Industries Co. Ltd. | 101 |
3 |
| Calandra Resources, Inc. | 7 |
3 |
| Briggs & Stratton, LLC | 684 |
3 |
| Work Air Technologies Pty Ltd | 12 |
3 |
| NeuFilter GmbH | 30 |
3 |
| Hamilton Sundstrand Corporation | 5016 |
2 |
| Other owners | 144 |