- 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: 199
10-year publication summary
|
15
|
8
|
9
|
10
|
12
|
11
|
8
|
6
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 10025 |
7 |
| MANN+HUMMEL GmbH | 1795 |
6 |
| Pall Corporation | 343 |
6 |
| Advanced Filtration Systems Inc. | 18 |
4 |
| Atomic Energy of Canada Limited | 130 |
4 |
| Cummins Filtration IP, Inc. | 774 |
4 |
| Hamilton Sundstrand Corporation | 5010 |
3 |
| Aqseptence Group, Inc. | 81 |
3 |
| Baldwin Filters, Inc. | 235 |
3 |
| Donaldson Company, Inc. | 1585 |
3 |
| TM Industrial Supply, Inc. | 19 |
3 |
| Baker Hughes Incorporated | 5082 |
2 |
| 3m Innovative Properties Company | 17576 |
2 |
| Stryker Corporation | 5224 |
2 |
| Altus Intervention AS | 20 |
2 |
| BHI Co., Ltd. | 10 |
2 |
| BKT Co., Ltd. | 64 |
2 |
| C. Crane Company, Inc. | 9 |
2 |
| Entegris, Inc. | 1958 |
2 |
| Hayward Industries, Inc. | 673 |
2 |
| Other owners | 135 |