- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 19/32 - Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
Patent holdings for IPC class B01J 19/32
Total number of patents in this class: 498
10-year publication summary
|
44
|
28
|
32
|
44
|
58
|
43
|
38
|
30
|
32
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
29 |
| Koch-Glitsch, LP | 204 |
28 |
| Praxair Technology, Inc. | 1367 |
23 |
| IFP Energies Nouvelles | 2717 |
21 |
| IHI Corporation | 3268 |
19 |
| Johnson Matthey Public Limited Company | 1852 |
19 |
| Uop LLC | 4083 |
17 |
| Sulzer Management AG | 613 |
16 |
| Linde Aktiengesellschaft | 1600 |
14 |
| BASF SE | 19740 |
10 |
| Brentwood Industries, Inc. | 114 |
10 |
| ZoneFlow Reactor Technologies, LLC | 24 |
8 |
| Dow Global Technologies LLC | 10147 |
7 |
| Casale SA | 572 |
7 |
| Beijing Zehua Chemical Engineering Co., Ltd. | 19 |
6 |
| Sulzer Chemtech AG | 69 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
4 |
| Corning Incorporated | 9932 |
4 |
| DSM IP Assets B.V. | 5856 |
4 |
| Prosernat | 10 |
4 |
| Other owners | 243 |