- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 35/16 - Cleaning-out devices
Patent holdings for IPC class B01D 35/16
Total number of patents in this class: 484
10-year publication summary
|
23
|
27
|
53
|
48
|
51
|
40
|
39
|
44
|
35
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1682 |
57 |
| MAHLE International GmbH | 2670 |
42 |
| Donaldson Company, Inc. | 1513 |
33 |
| Caterpillar Inc. | 8877 |
18 |
| Coway Co., Ltd. | 649 |
13 |
| Cummins Filtration IP, Inc. | 812 |
13 |
| Volvo Truck Corporation | 2764 |
12 |
| Hengst SE | 126 |
10 |
| HYDAC Filtertechnik GmbH | 294 |
9 |
| Samsung Electronics Co., Ltd. | 131630 |
8 |
| LG Electronics Inc. | 69257 |
7 |
| Hengst SE & Co. KG | 24 |
7 |
| Cytiva US LLC | 143 |
5 |
| Advanced Filtration Systems Inc. | 24 |
4 |
| Gaudfrin | 21 |
4 |
| Hengst GmbH & Co. KG | 64 |
4 |
| HYDAC Process Technology GmbH | 89 |
4 |
| Seoul Viosys Co., Ltd. | 1359 |
4 |
| Sogefi Filtration | 46 |
4 |
| Daimler AG | 3462 |
3 |
| Other owners | 223 |