- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/13 - Supported filter elements
Patent holdings for IPC class B01D 29/13
Total number of patents in this class: 274
10-year publication summary
|
28
|
22
|
20
|
26
|
29
|
15
|
25
|
23
|
17
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1812 |
14 |
| Caterpillar Inc. | 10272 |
12 |
| Donaldson Company, Inc. | 1600 |
12 |
| Nifco Inc. | 1098 |
11 |
| Cummins Filtration IP, Inc. | 590 |
10 |
| Life Technologies Corporation | 3456 |
6 |
| Aisan Kogyo Kabushiki Kaisha | 767 |
6 |
| HYDAC Filtertechnik GmbH | 286 |
6 |
| Atmus Filtration IP Inc. | 273 |
6 |
| MAHLE International GmbH | 2911 |
5 |
| Whirlpool Corporation | 4639 |
3 |
| Baldwin Filters, Inc. | 231 |
3 |
| Parker Intangibles LLC | 1169 |
3 |
| PENTAIR Filtration Solutions, LLC | 80 |
3 |
| Repligen Corporation | 297 |
3 |
| Robert Bosch GmbH | 44128 |
2 |
| Denso Corporation | 25513 |
2 |
| Asia Connection LLC | 75 |
2 |
| Coway Co., Ltd. | 788 |
2 |
| DelStar Technologies Inc. | 154 |
2 |
| Other owners | 161 |