- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 46/79 - Regeneration of the filtering material or filter elements inside the filter by liquid process
Patent holdings for IPC class B01D 46/79
Total number of patents in this class: 38
10-year publication summary
|
0
|
0
|
0
|
1
|
6
|
8
|
7
|
6
|
11
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| K&N Engineering, Inc. | 438 |
5 |
| Whirlpool Corporation | 4450 |
4 |
| Johnson Controls Light Commercial IP GmbH | 369 |
3 |
| Kingfa SCI & Tech Co. Ltd. | 655 |
2 |
| Simatek A/S | 13 |
2 |
| Simmons Holding Company, LLC | 2 |
2 |
| Samsung Electronics Co., Ltd. | 148765 |
1 |
| FANUC Corporation | 6851 |
1 |
| Glatt GmbH | 150 |
1 |
| Midea Group Co., Ltd. | 4664 |
1 |
| Oneida Air Systems, Inc. | 62 |
1 |
| Quickdraft, Inc. | 4 |
1 |
| Welter's Co., Ltd. | 8 |
1 |
| Blue Box Air LLC | 13 |
1 |
| Chengdu Kingfa Sci. & Tech. Advanced Materials Co., Ltd. | 10 |
1 |
| Guangdong Midea White Home Appliance Technology Innovation Center Co. Ltd. | 327 |
1 |
| CS E&L Co., Ltd. | 8 |
1 |
| Tartan Energy Group Inc. | 6 |
1 |
| EVO America, LLC | 26 |
1 |
| Hulun Buir Antai Thermoelectric Co., Ltd. Hailar Thermal Power Plant | 3 |
1 |
| Other owners | 6 |