- 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: 355
10-year publication summary
|
26
|
27
|
42
|
32
|
30
|
17
|
12
|
18
|
22
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Crystaphase Products, Inc. | 61 |
22 |
| Praxair Technology, Inc. | 1214 |
16 |
| BASF SE | 21320 |
14 |
| Dow Global Technologies LLC | 11008 |
9 |
| IFP Energies Nouvelles | 3110 |
9 |
| Jemmtec Limited | 22 |
9 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4122 |
8 |
| Johnson Matthey Davy Technologies Limited | 530 |
7 |
| Linde Aktiengesellschaft | 1416 |
6 |
| Veolia Water Solutions & Technologies Support | 533 |
6 |
| Topsoe A/S | 1060 |
6 |
| Uop LLC | 4397 |
5 |
| Saint-Gobain Ceramics & Plastics, Inc. | 800 |
5 |
| Evolution Aqua Limited | 27 |
5 |
| Carbon Clean Solutions Limited | 55 |
4 |
| RASCHIG GmbH | 23 |
4 |
| SGL Carbon SE | 405 |
4 |
| Sulzer Management AG | 712 |
4 |
| Haldor Topsøe A/S | 636 |
4 |
| ExxonMobil Research And Engineering Company | 2398 |
3 |
| Other owners | 205 |