- 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: 1814
10-year publication summary
|
161
|
153
|
165
|
187
|
200
|
150
|
136
|
134
|
96
|
35
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4083 |
62 |
| LG Chem, Ltd. | 17205 |
48 |
| BASF SE | 19740 |
37 |
| Saudi Arabian Oil Company | 11322 |
32 |
| IFP Energies Nouvelles | 2717 |
31 |
| Koch-Glitsch, LP | 204 |
28 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
17 |
| SABIC Global Technologies B.V. | 4044 |
17 |
| Sulzer Management AG | 613 |
16 |
| DEKA Products Limited Partnership | 1640 |
15 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
13 |
| Eastman Chemical Company | 2239 |
13 |
| Linde Aktiengesellschaft | 1600 |
13 |
| Dow Global Technologies LLC | 10147 |
12 |
| Asahi Kasei Chemicals Corporation | 809 |
12 |
| GEA Wiegand GmbH | 23 |
12 |
| Gevo, Inc. | 242 |
12 |
| Toyo Engineering Corporation | 138 |
12 |
| Lummus Technology LLC | 365 |
12 |
| Casale SA | 572 |
11 |
| Other owners | 1389 |