- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 8/04 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus 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: 1333
10-year publication summary
|
102
|
92
|
87
|
109
|
121
|
92
|
72
|
64
|
68
|
39
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4209 |
65 |
| Casale SA | 605 |
53 |
| Topsoe A/S | 876 |
44 |
| IFP Energies Nouvelles | 2893 |
36 |
| Haldor Topsøe A/S | 662 |
36 |
| ExxonMobil Chemical Patents Inc. | 4028 |
33 |
| Saudi Arabian Oil Company | 12858 |
32 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3932 |
29 |
| BASF SE | 20777 |
23 |
| SABIC Global Technologies B.V. | 4288 |
23 |
| Magema Technology, LLC | 37 |
23 |
| Johnson Matthey Davy Technologies Limited | 270 |
22 |
| Shell Internationale Research Maatschappij B.V. | 3544 |
20 |
| Lummus Technology LLC | 436 |
19 |
| Chevron U.S.A. Inc. | 3929 |
18 |
| Chevron Phillips Chemical Company LP | 1833 |
18 |
| Kellogg Brown & Root LLC | 518 |
17 |
| ExxonMobil Research And Engineering Company | 2592 |
16 |
| China Petroleum & Chemical Corporation | 1869 |
16 |
| Crystaphase Products, Inc. | 53 |
16 |
| Other owners | 774 |