- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 46/46 - Auxiliary equipment or operation thereof controlling filtration automatic
Patent holdings for IPC class B01D 46/46
Total number of patents in this class: 444
10-year publication summary
|
42
|
29
|
30
|
52
|
59
|
62
|
43
|
35
|
31
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microjet Technology Co., Ltd. | 459 |
31 |
| LG Electronics Inc. | 76087 |
21 |
| Donaldson Company, Inc. | 1607 |
13 |
| Illinois Tool Works Inc. | 11879 |
9 |
| Samsung Electronics Co., Ltd. | 159029 |
7 |
| 3m Innovative Properties Company | 17455 |
6 |
| The Boeing Company | 20193 |
6 |
| Carrier Corporation | 3954 |
5 |
| Apex Brands, Inc. | 784 |
5 |
| Coway Co., Ltd. | 792 |
5 |
| Cummins Filtration IP, Inc. | 580 |
5 |
| Air-Clenz Systems, LLC | 18 |
5 |
| Toyota Motor Corporation | 36159 |
4 |
| Ford Global Technologies, LLC | 21613 |
4 |
| Whirlpool Corporation | 4683 |
4 |
| Xiaomi Inc. | 1747 |
4 |
| Dust Company, Inc. | 19 |
4 |
| Enverid Systems, Inc. | 80 |
4 |
| FIPAK Research And Development Company | 34 |
4 |
| Trane International Inc. | 1240 |
4 |
| Other owners | 294 |