- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 1/22 - Evaporating by bringing a thin layer of the liquid into contact with a heated surface
Patent holdings for IPC class B01D 1/22
Total number of patents in this class: 498
10-year publication summary
|
35
|
26
|
33
|
36
|
53
|
43
|
32
|
36
|
38
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Verno Holdings, LLC | 30 |
14 |
| Alfa Laval Corporate AB | 1315 |
13 |
| Ecovap, Inc. | 19 |
12 |
| List Technology AG | 46 |
10 |
| Cleamix Oy | 14 |
8 |
| Dow Global Technologies LLC | 10360 |
7 |
| DEKA Products Limited Partnership | 1774 |
7 |
| Buss-sms-canzler GmbH | 12 |
6 |
| Cargill, Incorporated | 2891 |
6 |
| Kansai Chemical Engineering Co., Ltd. | 40 |
6 |
| King Abdullah University of Science and Technology | 1787 |
5 |
| List Holding AG | 41 |
5 |
| Gates Foundation, Gates, William H., Iiiindividualwashington | 25 |
5 |
| Aquaback Technologies, Inc. | 8 |
4 |
| Arkema France | 4154 |
4 |
| Aurotec GmbH | 46 |
4 |
| Cot-Clean Oil Technology AB | 7 |
4 |
| Ecodyst, Inc. | 34 |
4 |
| Lenzing Aktiengesellschaft | 522 |
4 |
| UPM-Kymmene Corporation | 936 |
4 |
| Other owners | 366 |