- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 3/03 - Pressure vessels, or vacuum vessels, having closure members or seals specially adapted therefor
Patent holdings for IPC class B01J 3/03
Total number of patents in this class: 198
10-year publication summary
|
5
|
12
|
18
|
17
|
22
|
13
|
18
|
12
|
15
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ExxonMobil Chemical Patents Inc. | 4286 |
7 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
6 |
| CEM Corporation | 101 |
6 |
| LG Innotek Co., Ltd. | 6758 |
5 |
| Aixtron SE | 288 |
5 |
| MLS Mikrowellen-Labor-Systeme GmbH | 10 |
4 |
| Element Six Limited | 123 |
3 |
| Picosun Oy | 130 |
3 |
| SMS Demag AG | 171 |
3 |
| BASF SE | 19740 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
2 |
| Massachusetts Institute of Technology | 9795 |
2 |
| Dow Global Technologies LLC | 10147 |
2 |
| Board of Regents, The University of Texas System | 5370 |
2 |
| Air Products and Chemicals, Inc. | 1448 |
2 |
| Hemlock Semiconductor Corporation | 33 |
2 |
| Alliance Technology Group, Inc. | 3 |
2 |
| Avure Technologies Incorporated | 37 |
2 |
| Element Six Abrasives S.A. | 148 |
2 |
| Foremost Universal LP | 12 |
2 |
| Other owners | 134 |