- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 46/42 - Auxiliary equipment or operation thereof
Patent holdings for IPC class B01D 46/42
Total number of patents in this class: 1754
10-year publication summary
|
166
|
156
|
154
|
163
|
202
|
188
|
159
|
123
|
97
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Donaldson Company, Inc. | 1588 |
102 |
| MANN+HUMMEL GmbH | 1793 |
83 |
| LG Electronics Inc. | 74447 |
79 |
| Samsung Electronics Co., Ltd. | 151726 |
38 |
| Coway Co., Ltd. | 759 |
34 |
| 3m Innovative Properties Company | 17596 |
27 |
| Isuzu Motors Limited | 2284 |
25 |
| Cummins Filtration IP, Inc. | 775 |
24 |
| Microjet Technology Co., Ltd. | 461 |
20 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 224 |
13 |
| Hitachi Construction Machinery Co., Ltd. | 2680 |
12 |
| Daikin Industries, Ltd. | 10223 |
12 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12593 |
12 |
| Mitsubishi Heavy Industries, Ltd. | 8964 |
11 |
| Camfil USA, Inc. | 68 |
11 |
| Volvo Truck Corporation | 3707 |
11 |
| Yanmar Co., Ltd. | 1381 |
10 |
| Hengst SE | 173 |
10 |
| Food Cycle Science Corporation | 24 |
10 |
| Mitsubishi Electric Corporation | 47380 |
9 |
| Other owners | 1201 |