- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 27/04 - Cartridge filters of the throw-away type with cartridges made of a piece of unitary material, e.g. filter paper
Patent holdings for IPC class B01D 27/04
Total number of patents in this class: 82
10-year publication summary
|
1
|
3
|
3
|
11
|
8
|
4
|
4
|
3
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cummins Filtration IP, Inc. | 805 |
8 |
| 3m Innovative Properties Company | 17739 |
3 |
| EcoWater Systems LLC | 134 |
3 |
| Goodrich Corporation | 2157 |
3 |
| King Technology, Inc. | 271 |
3 |
| le Groupe DSD Inc. | 37 |
3 |
| EMD Millipore Corporation | 644 |
2 |
| Baldwin Filters, Inc. | 240 |
2 |
| Hayward Industries, Inc. | 667 |
2 |
| Unitika Ltd. | 446 |
2 |
| Veeder-Root Company | 84 |
2 |
| Yamashin-filter Corp. | 126 |
2 |
| Blade Filters Inc. | 9 |
2 |
| Ford Motor Company | 2708 |
1 |
| Pratt & Whitney Canada Corp. | 4880 |
1 |
| Caterpillar Inc. | 9709 |
1 |
| 2266170 Ontario Inc. | 69 |
1 |
| A. Kayser Automotive Systems GmbH | 30 |
1 |
| Advanced Filtration Systems Inc. | 20 |
1 |
| BL Technologies, Inc. | 838 |
1 |
| Other owners | 38 |