- 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: 193
10-year publication summary
|
16
|
11
|
13
|
10
|
13
|
12
|
10
|
8
|
7
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 10343 |
7 |
| MANN+HUMMEL GmbH | 1817 |
6 |
| Pall Corporation | 342 |
6 |
| Advanced Filtration Systems Inc. | 17 |
4 |
| Atomic Energy of Canada Limited | 129 |
4 |
| Hamilton Sundstrand Corporation | 5013 |
3 |
| Aqseptence Group, Inc. | 79 |
3 |
| Baldwin Filters, Inc. | 230 |
3 |
| Donaldson Company, Inc. | 1613 |
3 |
| TM Industrial Supply, Inc. | 19 |
3 |
| Atmus Filtration IP Inc. | 355 |
3 |
| Baker Hughes Incorporated | 4865 |
2 |
| 3m Innovative Properties Company | 17443 |
2 |
| BHI Co., Ltd. | 10 |
2 |
| BKT Co., Ltd. | 69 |
2 |
| BLANCO GmbH + Co KG | 287 |
2 |
| C. Crane Company, Inc. | 8 |
2 |
| Hayward Industries, Inc. | 681 |
2 |
| HYDAC Filtertechnik GmbH | 289 |
2 |
| Korea Hydro & Nuclear Power Co., Ltd. | 568 |
2 |
| Other owners | 130 |