- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 3/02 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in boilers or stills
Patent holdings for IPC class B01D 3/02
Total number of patents in this class: 183
10-year publication summary
|
22
|
22
|
23
|
18
|
15
|
14
|
12
|
13
|
9
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecodyst, Inc. | 35 |
11 |
| 77 Vision Way Ltd | 23 |
8 |
| Research Foundation of the City University of New York | 447 |
5 |
| Sun Fresh Water, LLC | 9 |
5 |
| Halliburton Energy Services, Inc. | 21305 |
4 |
| Uop LLC | 4388 |
4 |
| Energy Integration, Inc. | 23 |
4 |
| Astec, Inc. | 50 |
3 |
| Chevron Phillips Chemical Company LP | 1861 |
3 |
| Desktop Metal, Inc. | 239 |
3 |
| ExtractCraft, LLC | 22 |
3 |
| GEA Wiegand GmbH | 25 |
3 |
| Instrumentation Scientifique de Laboratoire - I.s.l. | 11 |
3 |
| Municipal Enterprises Limited | 12 |
3 |
| Purestream Services, LLC | 19 |
3 |
| Colorado Extraction Systems, LLC | 7 |
3 |
| Verstill Distillation Systems Ltd | 8 |
3 |
| Lucas Lifecare, LLC | 5 |
3 |
| Aquarden Technologies APS | 20 |
2 |
| Gevo, Inc. | 283 |
2 |
| Other owners | 105 |