- 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: 1792
10-year publication summary
|
178
|
165
|
162
|
169
|
210
|
194
|
161
|
129
|
105
|
67
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Donaldson Company, Inc. | 1600 |
102 |
| MANN+HUMMEL GmbH | 1808 |
83 |
| LG Electronics Inc. | 75694 |
78 |
| Samsung Electronics Co., Ltd. | 157719 |
38 |
| Coway Co., Ltd. | 788 |
34 |
| 3m Innovative Properties Company | 17478 |
25 |
| Isuzu Motors Limited | 2323 |
25 |
| Microjet Technology Co., Ltd. | 461 |
22 |
| Atmus Filtration IP Inc. | 273 |
22 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 230 |
14 |
| Hitachi Construction Machinery Co., Ltd. | 2752 |
12 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
11 |
| Daikin Industries, Ltd. | 10499 |
11 |
| Camfil USA, Inc. | 80 |
11 |
| Parker-Hannifin Corporation | 1035 |
11 |
| Volvo Truck Corporation | 3911 |
11 |
| Hengst SE | 181 |
11 |
| Yanmar Co., Ltd. | 1347 |
10 |
| Food Cycle Science Corporation | 28 |
10 |
| Mitsubishi Electric Corporation | 48018 |
9 |
| Other owners | 1242 |