- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 35/26 - Filters with built-in pumps
Patent holdings for IPC class B01D 35/26
Total number of patents in this class: 238
10-year publication summary
|
14
|
27
|
23
|
33
|
33
|
49
|
20
|
27
|
21
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Repligen Corporation | 258 |
20 |
| MANN+HUMMEL GmbH | 1682 |
10 |
| LG Electronics Inc. | 69257 |
7 |
| Spectrum Brands, Inc. | 916 |
7 |
| Aisan Kogyo Kabushiki Kaisha | 722 |
5 |
| Hewlett-Packard Development Company, L.P. | 28538 |
4 |
| Robert Bosch GmbH | 40953 |
4 |
| Caterpillar Inc. | 8877 |
4 |
| Cummins Filtration IP, Inc. | 812 |
4 |
| Bestway Inflatables & Material Corp. | 367 |
3 |
| Electrophor, Inc. | 48 |
3 |
| Vito AG | 10 |
3 |
| Tokyo Electron Limited | 11599 |
2 |
| Perkins Engines Company Limited | 279 |
2 |
| AquaStar Pool Products, Inc. | 75 |
2 |
| Arizona Board of Regents on behalf of Arizona State University | 2226 |
2 |
| Coavis | 67 |
2 |
| Donaldson Company, Inc. | 1513 |
2 |
| Filter Technology Australia Pty. Limited | 3 |
2 |
| Flow Control LLC. | 131 |
2 |
| Other owners | 148 |