- 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: 1358
10-year publication summary
|
92
|
87
|
109
|
121
|
92
|
72
|
65
|
75
|
72
|
43
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4393 |
66 |
| Topsoe A/S | 1049 |
52 |
| Casale SA | 634 |
48 |
| IFP Energies Nouvelles | 3095 |
35 |
| Saudi Arabian Oil Company | 14248 |
35 |
| Haldor Topsøe A/S | 636 |
35 |
| ExxonMobil Chemical Patents Inc. | 3776 |
32 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4118 |
30 |
| Johnson Matthey Davy Technologies Limited | 529 |
27 |
| BASF SE | 21308 |
25 |
| Magema Technology, LLC | 39 |
25 |
| SABIC Global Technologies B.V. | 4599 |
24 |
| Chevron Phillips Chemical Company LP | 1859 |
19 |
| China Petroleum & Chemical Corporation | 2154 |
19 |
| Lummus Technology LLC | 492 |
19 |
| Shell Internationale Research Maatschappij B.V. | 3398 |
18 |
| Chevron U.S.A. Inc. | 4136 |
18 |
| Crystaphase Products, Inc. | 59 |
18 |
| Kellogg Brown & Root LLC | 526 |
17 |
| ThyssenKrupp AG | 3399 |
15 |
| Other owners | 781 |