- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 21/02 - Settling tanks
Patent holdings for IPC class B01D 21/02
Total number of patents in this class: 507
10-year publication summary
|
51
|
25
|
52
|
55
|
49
|
52
|
39
|
29
|
20
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kurita Water Industries Ltd. | 1193 |
8 |
| Thermaco, Inc. | 60 |
7 |
| Contech Engineered Solutions LLC | 278 |
6 |
| Evoqua Water Technologies LLC | 917 |
6 |
| Flamco B.V. | 43 |
5 |
| Mycelx Technologies Corporation | 30 |
5 |
| Nefco Systems, Inc. | 14 |
5 |
| United Rentals, Inc. | 116 |
5 |
| Bunri Incorporation | 30 |
4 |
| Hydro International Limited, | 91 |
4 |
| Kbk Industries, LLC | 18 |
4 |
| Metawater Co., Ltd. | 194 |
4 |
| Smith & Loveless, Inc. | 108 |
4 |
| Stallion Oilfield Services Ltd., Stallion Interests, LLC, a Texas limited liability company | 6 |
4 |
| StormTrap LLC | 33 |
4 |
| Xylem Water Solutions Zelienople LLC | 79 |
4 |
| CP Energy Services, Inc. | 9 |
4 |
| Société des Produits Nestlé S.A. | 9270 |
3 |
| Cameron International Corporation | 1332 |
3 |
| China Petroleum & Chemical Corporation | 1899 |
3 |
| Other owners | 415 |