- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 27/00 - Cartridge filters of the throw-away type
Patent holdings for IPC class B01D 27/00
Total number of patents in this class: 387
10-year publication summary
|
20
|
34
|
17
|
22
|
9
|
21
|
14
|
10
|
8
|
0
|
| 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 |
35 |
| Donaldson Company, Inc. | 1513 |
22 |
| Baldwin Filters, Inc. | 257 |
14 |
| MANN+HUMMEL GmbH | 1682 |
14 |
| MAHLE International GmbH | 2670 |
10 |
| Caterpillar Inc. | 8877 |
9 |
| Pall Corporation | 392 |
8 |
| ROKI Techno Co., Ltd | 41 |
8 |
| KX Technologies LLC | 158 |
7 |
| HYDAC Filtertechnik GmbH | 294 |
6 |
| Advanced Filtration Systems Inc. | 24 |
5 |
| Brita GmbH | 109 |
5 |
| Scientific Plastic Products, Inc. | 31 |
5 |
| EMD Millipore Corporation | 657 |
4 |
| Cummins Filtration Inc. | 171 |
4 |
| Fresenius Medical Care Holdings, Inc. | 1354 |
4 |
| Gambro Lundia AB | 1383 |
4 |
| Mann+Hummel Filtration Technology US LLC | 76 |
4 |
| MANN+HUMMEL Purolator Filters LLC | 61 |
4 |
| FUJIFILM Corporation | 27102 |
3 |
| Other owners | 212 |