- All sections
- B - Performing operationstransporting
- 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: 258
10-year publication summary
|
23
|
33
|
31
|
49
|
19
|
25
|
24
|
24
|
17
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Repligen Corporation | 293 |
17 |
| MANN+HUMMEL GmbH | 1795 |
11 |
| LG Electronics Inc. | 74705 |
10 |
| Spectrum Brands, Inc. | 898 |
9 |
| Aisan Kogyo Kabushiki Kaisha | 754 |
5 |
| Hewlett-Packard Development Company, L.P. | 25419 |
4 |
| Robert Bosch GmbH | 43428 |
4 |
| Caterpillar Inc. | 10025 |
4 |
| Cummins Filtration IP, Inc. | 774 |
4 |
| Bestway Inflatables & Material Corp. | 425 |
3 |
| Electrophor, Inc. | 48 |
3 |
| Pentair Water Pool and Spa, Inc. | 438 |
3 |
| Vito AG | 14 |
3 |
| FES Labs, LLC | 3 |
3 |
| Tokyo Electron Limited | 13459 |
2 |
| Perkins Engines Company Limited | 295 |
2 |
| AquaStar Pool Products, Inc. | 85 |
2 |
| Arizona Board of Regents on behalf of Arizona State University | 2809 |
2 |
| Culligan International Company | 153 |
2 |
| Flow Control LLC. | 142 |
2 |
| Other owners | 163 |