- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 27/08 - Construction of the casing
Patent holdings for IPC class B01D 27/08
Total number of patents in this class: 731
10-year publication summary
|
69
|
49
|
56
|
53
|
48
|
48
|
41
|
30
|
33
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1812 |
59 |
| Cummins Filtration IP, Inc. | 590 |
55 |
| Baldwin Filters, Inc. | 231 |
38 |
| Donaldson Company, Inc. | 1600 |
36 |
| Caterpillar Inc. | 10272 |
24 |
| MAHLE International GmbH | 2911 |
21 |
| KX Technologies LLC | 149 |
16 |
| 3m Innovative Properties Company | 17488 |
14 |
| Whirlpool Corporation | 4639 |
12 |
| Parker-Hannifin Corporation | 1034 |
10 |
| Cummins Filtration Inc. | 72 |
9 |
| ROKI Techno Co., Ltd | 53 |
9 |
| EcoWater Systems LLC | 142 |
8 |
| HYDAC Filtertechnik GmbH | 286 |
7 |
| Mann+Hummel Filtration Technology US LLC | 75 |
7 |
| Wix Filtration Corp LLC | 22 |
7 |
| Atmus Filtration IP Inc. | 273 |
7 |
| DV Industries, LLC | 6 |
6 |
| Parker Intangibles LLC | 1169 |
6 |
| K&N Engineering, Inc. | 462 |
6 |
| Other owners | 374 |