- All sections
- B - Performing operations; transporting
- 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: 1656
10-year publication summary
|
90
|
126
|
178
|
165
|
162
|
169
|
208
|
193
|
154
|
54
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Donaldson Company, Inc. | 1513 |
95 |
| LG Electronics Inc. | 69257 |
72 |
| MANN+HUMMEL GmbH | 1682 |
72 |
| Samsung Electronics Co., Ltd. | 131630 |
35 |
| Coway Co., Ltd. | 649 |
34 |
| Isuzu Motors Limited | 2158 |
32 |
| 3m Innovative Properties Company | 18406 |
28 |
| Cummins Filtration IP, Inc. | 812 |
25 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
22 |
| Hino Motors, Ltd. | 370 |
16 |
| Daikin Industries, Ltd. | 9495 |
15 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 196 |
13 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
12 |
| Yanmar Co., Ltd. | 1479 |
12 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
11 |
| Camfil USA, Inc. | 66 |
11 |
| Microjet Technology Co., Ltd. | 344 |
11 |
| Volvo Truck Corporation | 2764 |
11 |
| Atlas Copco Airpower, naamloze vennootschap | 915 |
10 |
| NGK Insulators, Ltd. | 4589 |
9 |
| Other owners | 1110 |