- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 29/66 - Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
Patent holdings for IPC class B01D 29/66
Total number of patents in this class: 539
10-year publication summary
|
52
|
56
|
53
|
39
|
46
|
53
|
46
|
45
|
44
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HYDAC Process Technology GmbH | 89 |
20 |
| ThermoChem Recovery International, Inc. | 95 |
13 |
| Fuji Filter Manufacturing Co., Ltd. | 53 |
12 |
| Precision Planting LLC | 925 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
9 |
| Hitachi Zosen Corporation | 609 |
8 |
| Amiad Water Systems Ltd. | 48 |
7 |
| Filtration Technology Corporation | 47 |
7 |
| Repligen Corporation | 258 |
7 |
| Doosan Heavy Industries & Construction Co., Ltd. | 604 |
6 |
| Kanagawa Kiki Kogyo Co., Ltd. | 9 |
6 |
| Kuraray Co., Ltd. | 3392 |
6 |
| Metawater Co., Ltd. | 181 |
6 |
| Eaton Intelligent Power Limited | 6113 |
6 |
| Sumitomo Electric Industries, Ltd. | 14131 |
5 |
| Aqseptence Group, Inc. | 103 |
5 |
| Boll & Kirch Filterbau GmbH | 35 |
5 |
| Contech Engineered Solutions LLC | 208 |
5 |
| Greyter Water Systems, Inc., AKA Greyter | 10 |
5 |
| Kurita Water Industries Ltd. | 1110 |
5 |
| Other owners | 385 |