- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 21/01 - Separation of suspended solid particles from liquids by sedimentation using flocculating agents
Patent holdings for IPC class B01D 21/01
Total number of patents in this class: 1039
10-year publication summary
|
99
|
102
|
94
|
82
|
91
|
47
|
45
|
56
|
36
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kurita Water Industries Ltd. | 1290 |
52 |
| SunCor Energy Inc. | 731 |
36 |
| Ecolab USA Inc. | 5820 |
24 |
| Kemira Oyj | 1264 |
24 |
| Dexerials Corporation | 2005 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
13 |
| BASF SE | 21320 |
12 |
| Organo Corporation | 542 |
10 |
| S.p.c.m. SA | 237 |
10 |
| Nalco Company | 533 |
9 |
| Hitachi, Ltd. | 16183 |
8 |
| Clearflow Group Inc. | 15 |
8 |
| Extrakt Process Solutions LLC | 40 |
8 |
| Metawater Co., Ltd. | 200 |
8 |
| Mitsubishi Chemical Corporation | 4738 |
7 |
| Graymont Western Canada Inc. | 54 |
7 |
| Imperial Oil Resources Limited | 156 |
7 |
| BASF (China) Co., Ltd. | 890 |
7 |
| MT AquaPolymer, Inc. | 15 |
7 |
| Conopco, Inc. | 5096 |
6 |
| Other owners | 760 |