- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their 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: 338
10-year publication summary
|
33
|
21
|
26
|
27
|
42
|
32
|
30
|
17
|
11
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Crystaphase Products, Inc. | 54 |
21 |
| Praxair Technology, Inc. | 1367 |
16 |
| BASF SE | 19740 |
14 |
| IFP Energies Nouvelles | 2717 |
9 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
8 |
| Jemmtec Limited | 16 |
8 |
| Dow Global Technologies LLC | 10147 |
7 |
| Johnson Matthey Public Limited Company | 1852 |
6 |
| Linde Aktiengesellschaft | 1600 |
6 |
| Saint-Gobain Ceramics & Plastics, Inc. | 812 |
6 |
| Veolia Water Solutions & Technologies Support | 547 |
5 |
| Uop LLC | 4083 |
4 |
| Chevron Phillips Chemical Company LP | 1779 |
4 |
| Crystaphase International, Inc. | 39 |
4 |
| Prayon Technologies | 38 |
4 |
| RASCHIG GmbH | 31 |
4 |
| SGL Carbon SE | 388 |
4 |
| Sulzer Management AG | 613 |
4 |
| Haldor Topsøe A/S | 698 |
4 |
| Topsoe A/S | 732 |
4 |
| Other owners | 196 |