- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 21/24 - Feed or discharge mechanisms for settling tanks
Patent holdings for IPC class B01D 21/24
Total number of patents in this class: 1274
10-year publication summary
|
96
|
129
|
90
|
133
|
123
|
102
|
84
|
73
|
62
|
50
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adey Holdings (2008) Limited | 322 |
23 |
| FLSmidth A/S | 788 |
20 |
| Smith & Loveless, Inc. | 121 |
18 |
| Evoqua Water Technologies LLC | 934 |
17 |
| Becton, Dickinson and Company | 7593 |
16 |
| Qwtip LLC | 69 |
16 |
| Kurita Water Industries Ltd. | 1290 |
15 |
| Metso Finland Oy | 692 |
13 |
| Suez International | 372 |
10 |
| Contech Engineered Solutions LLC | 280 |
9 |
| Kbk Industries, LLC | 19 |
9 |
| LINKON TECHNOLOGY CO., LTD. (a legal entity) | 15 |
9 |
| Halliburton Energy Services, Inc. | 21309 |
7 |
| Del Corporation | 11 |
7 |
| Gem Co., Ltd. | 361 |
7 |
| Specialized Desanders Inc. | 43 |
7 |
| PT Qmb New Energy Materials | 257 |
7 |
| Naf Water Filtration LLC | 11 |
7 |
| LG Chem, Ltd. | 17950 |
6 |
| Daritech, Inc. | 28 |
6 |
| Other owners | 1045 |