- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/62 - Regenerating the filter material in the filter
Patent holdings for IPC class B01D 29/62
Total number of patents in this class: 185
10-year publication summary
14
|
19
|
13
|
13
|
6
|
12
|
10
|
10
|
10
|
4
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sumitomo Electric Industries, Ltd. | 15321 |
5 |
PanAsia Co., Ltd. | 113 |
5 |
Ecolab USA Inc. | 5444 |
4 |
Nihon Genryo Co., Ltd. | 12 |
4 |
Panasonic Intellectual Property Management Co., Ltd. | 30903 |
3 |
Fuji Filter Manufacturing Co., Ltd. | 55 |
3 |
Hitachi Zosen Corporation | 622 |
3 |
Hyundai Heavy Industries Co., Ltd. | 275 |
3 |
Metawater Co., Ltd. | 192 |
3 |
Nippon Oil Pump Co., Ltd. | 29 |
3 |
Ticona LLC | 586 |
3 |
Samsung Electronics Co., Ltd. | 143812 |
2 |
Purdue Research Foundation | 3561 |
2 |
1934612 Ontario Inc. | 22 |
2 |
Aqseptence Group, Inc. | 88 |
2 |
Ishigaki Company Limited | 47 |
2 |
JPL Global, LLC | 85 |
2 |
Kadant Lamort | 22 |
2 |
Kanagawa Kiki Kogyo Co., Ltd. | 9 |
2 |
Kobelco Eco-solutions Co., Ltd. | 127 |
2 |
Other owners | 128 |