- All sections
- B - Performing operations; transporting
- 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: 1181
10-year publication summary
|
98
|
100
|
96
|
129
|
90
|
134
|
123
|
99
|
80
|
19
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adey Holdings (2008) Limited | 322 |
23 |
| Smith & Loveless, Inc. | 109 |
18 |
| FLSmidth A/S | 923 |
18 |
| Becton, Dickinson and Company | 6712 |
16 |
| Evoqua Water Technologies LLC | 904 |
16 |
| Qwtip LLC | 54 |
14 |
| Kurita Water Industries Ltd. | 1110 |
13 |
| Outotec Oyj | 318 |
10 |
| Metso Outotec Finland Oy | 795 |
10 |
| Kbk Industries, LLC | 19 |
9 |
| Ovivo Inc. | 137 |
9 |
| Halliburton Energy Services, Inc. | 20165 |
8 |
| Aqua-Aerobic Systems, Inc. | 97 |
7 |
| Del Corporation | 10 |
7 |
| Flamco B.V. | 85 |
7 |
| Invent Umwelt-und Verfahrenstechnik AG | 133 |
7 |
| Specialized Desanders Inc. | 44 |
7 |
| LG Chem, Ltd. | 17205 |
6 |
| Contech Engineered Solutions LLC | 208 |
6 |
| Daritech, Inc. | 38 |
6 |
| Other owners | 964 |