- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 53/02 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
Patent holdings for IPC class B01D 53/02
Total number of patents in this class: 4628
10-year publication summary
|
324
|
344
|
338
|
284
|
245
|
293
|
312
|
335
|
348
|
177
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4393 |
74 |
| ExxonMobil Research And Engineering Company | 2407 |
70 |
| Air Products and Chemicals, Inc. | 1474 |
52 |
| Saudi Arabian Oil Company | 14248 |
49 |
| Calgon Carbon Corporation | 256 |
46 |
| The Regents of the University of California | 20778 |
45 |
| ExxonMobil Technology and Engineering Company | 1367 |
44 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4118 |
43 |
| Praxair Technology, Inc. | 1220 |
42 |
| King Abdullah University of Science and Technology | 1855 |
39 |
| 3m Innovative Properties Company | 17481 |
36 |
| Donaldson Company, Inc. | 1607 |
32 |
| Corning Incorporated | 10510 |
31 |
| Global Thermostat Operations LLC | 57 |
31 |
| Enverid Systems, Inc. | 80 |
30 |
| Georgia Tech Research Corporation | 2950 |
29 |
| W. L. Gore & Associates, Inc. | 2715 |
29 |
| Climeworks AG | 109 |
25 |
| Chevron U.S.A. Inc. | 4136 |
24 |
| Entegris, Inc. | 2007 |
24 |
| Other owners | 3833 |