- 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: 266
10-year publication summary
|
23
|
33
|
33
|
51
|
20
|
27
|
24
|
25
|
18
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Repligen Corporation | 299 |
17 |
| MANN+HUMMEL GmbH | 1813 |
11 |
| LG Electronics Inc. | 75855 |
10 |
| Spectrum Brands, Inc. | 898 |
9 |
| Aisan Kogyo Kabushiki Kaisha | 771 |
5 |
| Hewlett-Packard Development Company, L.P. | 25170 |
4 |
| Robert Bosch GmbH | 44254 |
4 |
| Caterpillar Inc. | 10280 |
4 |
| Pentair Water Pool and Spa, Inc. | 432 |
4 |
| Bestway Inflatables & Material Corp. | 435 |
3 |
| Electrophor, Inc. | 48 |
3 |
| Vito AG | 17 |
3 |
| FES Labs, LLC | 3 |
3 |
| Atmus Filtration IP Inc. | 276 |
3 |
| Tokyo Electron Limited | 13871 |
2 |
| Perkins Engines Company Limited | 304 |
2 |
| AquaStar Pool Products, Inc. | 87 |
2 |
| Arizona Board of Regents on behalf of Arizona State University | 2962 |
2 |
| Culligan International Company | 150 |
2 |
| Cummins Filtration IP, Inc. | 584 |
2 |
| Other owners | 171 |