- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 3/00 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
Patent holdings for IPC class B01D 3/00
Total number of patents in this class: 1843
10-year publication summary
|
153
|
165
|
187
|
200
|
150
|
138
|
134
|
97
|
100
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4187 |
64 |
| LG Chem, Ltd. | 17620 |
49 |
| BASF SE | 20367 |
37 |
| IFP Energies Nouvelles | 2816 |
31 |
| Saudi Arabian Oil Company | 12390 |
31 |
| Koch-Glitsch, LP | 195 |
27 |
| Sulzer Management AG | 664 |
21 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3581 |
18 |
| SABIC Global Technologies B.V. | 4186 |
17 |
| DEKA Products Limited Partnership | 1702 |
16 |
| Shell Internationale Research Maatschappij B.V. | 3722 |
13 |
| Dow Global Technologies LLC | 10139 |
13 |
| Eastman Chemical Company | 2252 |
13 |
| Lummus Technology LLC | 386 |
13 |
| Casale SA | 593 |
12 |
| GEA Wiegand GmbH | 29 |
12 |
| Gevo, Inc. | 251 |
12 |
| Toyo Engineering Corporation | 144 |
12 |
| Whitefox Technologies Limited | 33 |
12 |
| Chevron U.S.A. Inc. | 3844 |
11 |
| Other owners | 1409 |