- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 27/14 - Cartridge filters of the throw-away type having more than one filtering element
Patent holdings for IPC class B01D 27/14
Total number of patents in this class: 184
10-year publication summary
|
23
|
20
|
15
|
23
|
21
|
22
|
15
|
6
|
14
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cummins Filtration IP, Inc. | 812 |
14 |
| MAHLE International GmbH | 2670 |
7 |
| MANN+HUMMEL GmbH | 1682 |
7 |
| 3m Innovative Properties Company | 18406 |
6 |
| Donaldson Company, Inc. | 1513 |
6 |
| Caterpillar Inc. | 8877 |
5 |
| Whirlpool Corporation | 4238 |
5 |
| Hubb Filters, Inc. | 10 |
5 |
| EMD Millipore Corporation | 657 |
4 |
| Formaster S.A. | 49 |
4 |
| Winchester Global Pty Ltd | 8 |
4 |
| Becton, Dickinson and Company | 6712 |
3 |
| Coway Co., Ltd. | 649 |
3 |
| Cummins Filtration Inc. | 171 |
3 |
| Ufi Filters S.p.A. | 196 |
3 |
| US Army Ecbc | 3 |
3 |
| Lockheed Martin Corporation | 3406 |
2 |
| Amiad Water Systems Ltd. | 48 |
2 |
| Baldwin Filters, Inc. | 257 |
2 |
| Crosstex International, Inc. | 113 |
2 |
| Other owners | 94 |