- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 35/00 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups Auxiliary devices for filtrationFilter housing constructions
Patent holdings for IPC class B01D 35/00
Total number of patents in this class: 1240
10-year publication summary
|
134
|
103
|
92
|
78
|
52
|
48
|
45
|
35
|
32
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1812 |
77 |
| Cummins Filtration IP, Inc. | 590 |
53 |
| Caterpillar Inc. | 10272 |
51 |
| Donaldson Company, Inc. | 1600 |
38 |
| Atmus Filtration IP Inc. | 273 |
37 |
| MAHLE International GmbH | 2911 |
29 |
| Coway Co., Ltd. | 788 |
23 |
| 3m Innovative Properties Company | 17488 |
18 |
| HYDAC Filtertechnik GmbH | 286 |
15 |
| Mann+Hummel Filtration Technology US LLC | 75 |
13 |
| Hamilton Sundstrand Corporation | 5016 |
11 |
| KX Technologies LLC | 149 |
11 |
| Baldwin Filters, Inc. | 231 |
10 |
| EMD Millipore Corporation | 631 |
8 |
| Fresenius Medical Care Holdings, Inc. | 1423 |
8 |
| Honda Motor Co., Ltd. | 26008 |
7 |
| LG Electronics Inc. | 75654 |
7 |
| Aisan Kogyo Kabushiki Kaisha | 767 |
7 |
| Cummins Filtration Inc. | 72 |
7 |
| Whirlpool Corporation | 4639 |
6 |
| Other owners | 804 |