- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 1/28 - Evaporating with vapour compression
Patent holdings for IPC class B01D 1/28
Total number of patents in this class: 337
10-year publication summary
|
27
|
26
|
40
|
38
|
42
|
31
|
35
|
35
|
25
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DEKA Products Limited Partnership | 1640 |
26 |
| Energy Integration, Inc. | 22 |
14 |
| Uop LLC | 4083 |
8 |
| Aquaback Technologies, Inc. | 8 |
7 |
| Toyo Engineering Corporation | 138 |
7 |
| GEA Wiegand GmbH | 23 |
6 |
| Purestream Services, LLC | 21 |
6 |
| Wga Water Global Access, S.L. | 20 |
6 |
| Aquafair AB | 7 |
6 |
| Saudi Arabian Oil Company | 11322 |
5 |
| Cameron International Corporation | 1305 |
4 |
| Doosan Heavy Industries & Construction Co., Ltd. | 604 |
4 |
| Massachusetts Institute of Technology | 9795 |
3 |
| Alcoa of Australia Limited | 54 |
3 |
| Caloris Engineering, LLC | 27 |
3 |
| ConocoPhillips Company | 1657 |
3 |
| Daicel Corporation | 2128 |
3 |
| King Fahd University of Petroleum and Minerals | 779 |
3 |
| Ohkawara Kakohki Co., Ltd. | 10 |
3 |
| Other Lab, LLC | 66 |
3 |
| Other owners | 214 |