- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 24/46 - Regenerating the filtering material in the filter
Patent holdings for IPC class B01D 24/46
Total number of patents in this class: 471
10-year publication summary
|
40
|
36
|
39
|
42
|
33
|
30
|
31
|
23
|
27
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roberts Marketing DE, Inc. | 28 |
20 |
| Xylem Water Solutions Zelienople LLC | 82 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
13 |
| Nihon Genryo Co., Ltd. | 13 |
12 |
| Parkson Corporation | 120 |
12 |
| Siemens Energy, Inc. | 1685 |
10 |
| Evolution Aqua Limited | 27 |
10 |
| Sumitomo Electric Industries, Ltd. | 16331 |
8 |
| Hitachi Zosen Corporation | 602 |
8 |
| Metawater Co., Ltd. | 200 |
8 |
| Neptune Benson, Inc. | 44 |
8 |
| Saudi Arabian Oil Company | 14235 |
6 |
| Veolia Water Solutions & Technologies Support | 533 |
6 |
| Advanced Drainage Systems, Inc. | 402 |
5 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
5 |
| Nagaoka International Corporation | 7 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
4 |
| Whirlpool Corporation | 4643 |
4 |
| de Nora Water Technologies, LLC | 48 |
4 |
| Exterran Water Solutions ULC | 50 |
4 |
| Other owners | 300 |