- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 35/16 - Cleaning-out devices
Patent holdings for IPC class B01D 35/16
Total number of patents in this class: 515
10-year publication summary
|
25
|
51
|
47
|
48
|
41
|
37
|
43
|
36
|
27
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1769 |
55 |
| MAHLE International GmbH | 2798 |
44 |
| Donaldson Company, Inc. | 1603 |
31 |
| Caterpillar Inc. | 9644 |
17 |
| Coway Co., Ltd. | 738 |
14 |
| Samsung Electronics Co., Ltd. | 147983 |
13 |
| Volvo Truck Corporation | 3475 |
13 |
| Cummins Filtration IP, Inc. | 806 |
12 |
| Hengst SE | 166 |
12 |
| HYDAC Filtertechnik GmbH | 295 |
9 |
| LG Electronics Inc. | 73690 |
8 |
| Hengst SE & Co. KG | 23 |
7 |
| HYDAC Process Technology GmbH | 92 |
5 |
| Seoul Viosys Co., Ltd. | 1480 |
5 |
| Cytiva US LLC | 189 |
5 |
| Advanced Filtration Systems Inc. | 23 |
4 |
| Gaudfrin | 21 |
4 |
| Hengst GmbH & Co. KG | 44 |
4 |
| Saint-Gobain Performance Plastics Corporation | 1034 |
4 |
| Sogefi Filtration | 45 |
4 |
| Other owners | 245 |