- 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. | 15344 |
5 |
| PanAsia Co., Ltd. | 113 |
5 |
| Ecolab USA Inc. | 5451 |
4 |
| Nihon Genryo Co., Ltd. | 12 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
3 |
| Fuji Filter Manufacturing Co., Ltd. | 55 |
3 |
| Hitachi Zosen Corporation | 621 |
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. | 144143 |
2 |
| Purdue Research Foundation | 3564 |
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. | 128 |
2 |
| Other owners | 128 |