- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 1/30 - Accessories for evaporators
Patent holdings for IPC class B01D 1/30
Total number of patents in this class: 307
10-year publication summary
|
21
|
32
|
41
|
32
|
33
|
40
|
33
|
40
|
43
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Heartland Water Technology, Inc. | 30 |
10 |
| Vahterus Oy | 67 |
7 |
| Ecovap, Inc. | 18 |
7 |
| Purestream Services, LLC | 21 |
6 |
| Cleantek Industries Inc. | 31 |
6 |
| 77 Vision Way Ltd | 12 |
6 |
| AquaSource Technologies Corporation | 21 |
5 |
| Cameron Solutions, Inc. | 67 |
5 |
| DEKA Products Limited Partnership | 1640 |
5 |
| Uop LLC | 4083 |
4 |
| Carrier Corporation | 4759 |
4 |
| Energy Water Solutions, LLC | 11 |
4 |
| Gradiant Corporation | 123 |
4 |
| Colorado Extraction Systems, LLC | 9 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
3 |
| Tokyo Electron Limited | 11599 |
3 |
| Caloris Engineering, LLC | 27 |
3 |
| Cameron International Corporation | 1305 |
3 |
| Heartland Technology Partners LLC | 20 |
3 |
| Oregon State University | 334 |
3 |
| Other owners | 212 |