- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 35/28 - Strainers not provided for elsewhere
Patent holdings for IPC class B01D 35/28
Total number of patents in this class: 202
10-year publication summary
|
20
|
15
|
8
|
9
|
10
|
12
|
11
|
8
|
6
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 9866 |
7 |
| MANN+HUMMEL GmbH | 1778 |
6 |
| Pall Corporation | 336 |
6 |
| Baldwin Filters, Inc. | 241 |
5 |
| Advanced Filtration Systems Inc. | 20 |
4 |
| Atomic Energy of Canada Limited | 130 |
4 |
| Cummins Filtration IP, Inc. | 803 |
4 |
| Donaldson Company, Inc. | 1595 |
4 |
| Hamilton Sundstrand Corporation | 4961 |
3 |
| Aqseptence Group, Inc. | 85 |
3 |
| Hayward Industries, Inc. | 668 |
3 |
| TM Industrial Supply, Inc. | 19 |
3 |
| Baker Hughes Incorporated | 5168 |
2 |
| 3m Innovative Properties Company | 17717 |
2 |
| Stryker Corporation | 5112 |
2 |
| Altus Intervention AS | 20 |
2 |
| BHI Co., Ltd. | 10 |
2 |
| BKT Co., Ltd. | 61 |
2 |
| C. Crane Company, Inc. | 9 |
2 |
| Entegris, Inc. | 1920 |
2 |
| Other owners | 134 |