- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 46/121 - V-type arrangements
Patent holdings for IPC class B01D 46/121
Total number of patents in this class: 37
10-year publication summary
|
0
|
2
|
1
|
1
|
0
|
1
|
4
|
11
|
10
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Camfil AB | 226 |
4 |
| Carl Freudenberg KG | 1346 |
3 |
| Cummins Filtration IP, Inc. | 812 |
3 |
| MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd. | 33 |
3 |
| W. L. Gore & Associates, Inc. | 2600 |
2 |
| TAD Aircon Private Limited | 2 |
2 |
| Baldwin Filters, Inc. | 257 |
1 |
| Cummins Filtration Inc. | 171 |
1 |
| Donaldson Company, Inc. | 1513 |
1 |
| Freudenberg Filtration Technologies, L.P. | 17 |
1 |
| Joma-Polytec GmbH | 45 |
1 |
| Karl Kufner GmbH & Co. KG | 13 |
1 |
| MANN+HUMMEL GmbH | 1682 |
1 |
| Pall Corporation | 392 |
1 |
| Parker-Hannifin Corporation | 999 |
1 |
| Trinity Industrial Corporation | 124 |
1 |
| Ucube Lab SA | 6 |
1 |
| BarnTools, LLC | 15 |
1 |
| pal Costruzioni SRL | 2 |
1 |
| Jingjin Equipment Inc. | 15 |
1 |
| Other owners | 6 |