- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 46/88 - Replacing filter elements
Patent holdings for IPC class B01D 46/88
Total number of patents in this class: 92
10-year publication summary
|
0
|
1
|
0
|
3
|
8
|
23
|
12
|
22
|
22
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 73619 |
6 |
| Donaldson Company, Inc. | 1588 |
6 |
| Volvo Truck Corporation | 3519 |
4 |
| 3m Innovative Properties Company | 17752 |
3 |
| Baldwin Filters, Inc. | 241 |
3 |
| Ingersoll-Rand Industrial U.S., Inc. | 513 |
3 |
| MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd. | 57 |
3 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 13023 |
2 |
| etna GmbH | 4 |
2 |
| Yimao Environmental Technology Co., Ltd | 9 |
2 |
| Ecorocell Co., Ltd. | 4 |
2 |
| Groove Technologies, LLC | 5 |
2 |
| Caterpillar Inc. | 9706 |
1 |
| American Air Filter Company, Inc. | 181 |
1 |
| Amsonic AG | 13 |
1 |
| Apex Brands, Inc. | 713 |
1 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 369 |
1 |
| Camfil AB | 233 |
1 |
| Cummins Filtration Inc. | 197 |
1 |
| Electrolux Appliances Aktiebolag | 1343 |
1 |
| Other owners | 46 |