- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 8/04 - Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
Patent holdings for IPC class B01J 8/04
Total number of patents in this class: 1295
10-year publication summary
|
84
|
102
|
92
|
87
|
109
|
120
|
90
|
68
|
62
|
22
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4083 |
65 |
| Casale SA | 572 |
52 |
| Haldor Topsøe A/S | 698 |
37 |
| ExxonMobil Chemical Patents Inc. | 4286 |
35 |
| IFP Energies Nouvelles | 2717 |
35 |
| Topsoe A/S | 732 |
35 |
| Saudi Arabian Oil Company | 11322 |
30 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
25 |
| BASF SE | 19740 |
24 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
22 |
| SABIC Global Technologies B.V. | 4044 |
22 |
| Johnson Matthey Davy Technologies Limited | 216 |
20 |
| Magema Technology, LLC | 33 |
20 |
| Lummus Technology LLC | 365 |
19 |
| Chevron U.S.A. Inc. | 3774 |
18 |
| Chevron Phillips Chemical Company LP | 1779 |
17 |
| Kellogg Brown & Root LLC | 489 |
17 |
| ExxonMobil Research And Engineering Company | 2830 |
16 |
| Crystaphase Products, Inc. | 54 |
16 |
| ThyssenKrupp AG | 3086 |
16 |
| Other owners | 754 |