- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 46/121 - V-type arrangements
Patent holdings for IPC class B01D 46/121
Total number of patents in this class: 45
10-year publication summary
|
0
|
0
|
1
|
0
|
1
|
6
|
12
|
11
|
10
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Camfil AB | 233 |
4 |
| Carl Freudenberg KG | 1372 |
4 |
| Baldwin Filters, Inc. | 243 |
3 |
| Cummins Filtration IP, Inc. | 805 |
3 |
| MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd. | 54 |
3 |
| W. L. Gore & Associates, Inc. | 2726 |
2 |
| Aaf Ltd. | 21 |
2 |
| Healthway Home Products Company Inc. | 15 |
2 |
| TAD Aircon Private Limited | 2 |
2 |
| Aerofil Filters India Private Limited | 2 |
2 |
| Columbus Industries, Inc. | 63 |
1 |
| Cummins Filtration Inc. | 199 |
1 |
| Donaldson Company, Inc. | 1605 |
1 |
| JEOL Ltd. | 594 |
1 |
| Joma-Polytec GmbH | 49 |
1 |
| MANN+HUMMEL GmbH | 1768 |
1 |
| Pall Corporation | 335 |
1 |
| Parker-Hannifin Corporation | 1042 |
1 |
| Trinity Industrial Corporation | 112 |
1 |
| Ucube Lab SA | 6 |
1 |
| Other owners | 8 |