- 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: 263
10-year publication summary
|
21
|
28
|
22
|
20
|
26
|
29
|
15
|
25
|
20
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1754 |
15 |
| Donaldson Company, Inc. | 1601 |
13 |
| Nifco Inc. | 1103 |
12 |
| Caterpillar Inc. | 9530 |
11 |
| Cummins Filtration IP, Inc. | 807 |
11 |
| Life Technologies Corporation | 3286 |
6 |
| Aisan Kogyo Kabushiki Kaisha | 741 |
6 |
| HYDAC Filtertechnik GmbH | 296 |
6 |
| MAHLE International GmbH | 2761 |
5 |
| Cummins Filtration Inc. | 194 |
4 |
| Whirlpool Corporation | 4406 |
3 |
| Baldwin Filters, Inc. | 241 |
3 |
| Parker Intangibles LLC | 1165 |
3 |
| PENTAIR Filtration Solutions, LLC | 80 |
3 |
| Repligen Corporation | 283 |
3 |
| Denso Corporation | 24230 |
2 |
| Asia Connection LLC | 79 |
2 |
| Coway Co., Ltd. | 728 |
2 |
| Cummins Filtration SARL | 25 |
2 |
| DelStar Technologies Inc. | 110 |
2 |
| Other owners | 149 |