- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 35/30 - Filter housing constructions
Patent holdings for IPC class B01D 35/30
Total number of patents in this class: 2272
10-year publication summary
|
164
|
193
|
188
|
211
|
231
|
234
|
234
|
202
|
168
|
49
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cummins Filtration IP, Inc. | 812 |
152 |
| MANN+HUMMEL GmbH | 1682 |
116 |
| Donaldson Company, Inc. | 1513 |
80 |
| Caterpillar Inc. | 8877 |
64 |
| LG Electronics Inc. | 69257 |
55 |
| KX Technologies LLC | 158 |
52 |
| MAHLE International GmbH | 2670 |
42 |
| Entegris, Inc. | 1736 |
38 |
| HYDAC Filtertechnik GmbH | 294 |
36 |
| Baldwin Filters, Inc. | 257 |
34 |
| Whirlpool Corporation | 4238 |
33 |
| Haier US Appliance Solutions, Inc. | 3178 |
31 |
| Sartorius Stedim Biotech GmbH | 774 |
24 |
| 3m Innovative Properties Company | 18406 |
23 |
| Ufi Filters S.p.A. | 196 |
21 |
| Samsung Electronics Co., Ltd. | 131630 |
20 |
| Pall Corporation | 392 |
20 |
| Coway Co., Ltd. | 649 |
18 |
| Parker-Hannifin Corporation | 999 |
17 |
| Microfilter Co., Ltd. | 33 |
16 |
| Other owners | 1380 |