- 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: 1734
10-year publication summary
|
114
|
166
|
156
|
154
|
163
|
202
|
187
|
157
|
123
|
94
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Donaldson Company, Inc. | 1589 |
101 |
| MANN+HUMMEL GmbH | 1777 |
80 |
| LG Electronics Inc. | 73825 |
78 |
| Samsung Electronics Co., Ltd. | 149198 |
37 |
| Coway Co., Ltd. | 748 |
34 |
| Isuzu Motors Limited | 2274 |
28 |
| Cummins Filtration IP, Inc. | 805 |
26 |
| 3m Innovative Properties Company | 17719 |
25 |
| Microjet Technology Co., Ltd. | 450 |
17 |
| Daikin Industries, Ltd. | 10174 |
13 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 218 |
13 |
| Hitachi Construction Machinery Co., Ltd. | 2687 |
12 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12657 |
12 |
| Mitsubishi Heavy Industries, Ltd. | 8900 |
11 |
| Camfil USA, Inc. | 66 |
11 |
| Volvo Truck Corporation | 3582 |
11 |
| Yanmar Co., Ltd. | 1386 |
10 |
| Hengst SE | 169 |
10 |
| Food Cycle Science Corporation | 27 |
10 |
| Mitsubishi Electric Corporation | 46973 |
9 |
| Other owners | 1186 |