- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 19/30 - Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer
Patent holdings for IPC class B01J 19/30
Total number of patents in this class: 347
10-year publication summary
|
15
|
21
|
26
|
37
|
28
|
26
|
14
|
11
|
15
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Crystaphase Products, Inc. | 57 |
23 |
| Praxair Technology, Inc. | 1278 |
16 |
| BASF SE | 21080 |
14 |
| IFP Energies Nouvelles | 2969 |
9 |
| Jemmtec Limited | 22 |
9 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3988 |
8 |
| Dow Global Technologies LLC | 10509 |
7 |
| Johnson Matthey Public Limited Company | 1877 |
6 |
| Linde Aktiengesellschaft | 1488 |
6 |
| Saint-Gobain Ceramics & Plastics, Inc. | 835 |
6 |
| Veolia Water Solutions & Technologies Support | 535 |
6 |
| Uop LLC | 4255 |
5 |
| Topsoe A/S | 948 |
5 |
| Carbon Clean Solutions Limited | 54 |
4 |
| Prayon Technologies | 46 |
4 |
| RASCHIG GmbH | 23 |
4 |
| SGL Carbon SE | 391 |
4 |
| Sulzer Management AG | 682 |
4 |
| Evolution Aqua Limited | 20 |
4 |
| Haldor Topsøe A/S | 642 |
4 |
| Other owners | 199 |