- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 53/40 - Acidic components
Patent holdings for IPC class B01D 53/40
Total number of patents in this class: 289
10-year publication summary
|
23
|
26
|
23
|
22
|
17
|
12
|
13
|
8
|
14
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4187 |
11 |
| General Electric Technology GmbH | 1602 |
10 |
| Korea Institute of Energy Research | 830 |
10 |
| ARQ Solutions (es), Inc. | 59 |
10 |
| IFP Energies Nouvelles | 2818 |
8 |
| Commonwealth Scientific and Industrial Research Organisation | 1677 |
7 |
| Solvay SA | 1027 |
7 |
| BASF SE | 20387 |
6 |
| The Regents of the University of California | 19493 |
6 |
| Kurita Water Industries Ltd. | 1150 |
6 |
| Championx LLC | 441 |
6 |
| Battelle Memorial Institute | 2415 |
5 |
| Durr Systems, Inc. | 128 |
5 |
| Research Triangle Institute | 407 |
5 |
| Lawrence Livermore National Security, LLC | 1879 |
4 |
| Nalco Company | 597 |
4 |
| Sinfonia Technology Co., Ltd. | 256 |
4 |
| Messer Industries USA, Inc. | 113 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3721 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8515 |
3 |
| Other owners | 165 |