- 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: 276
10-year publication summary
|
40
|
23
|
26
|
23
|
22
|
17
|
12
|
13
|
7
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4083 |
11 |
| General Electric Technology GmbH | 1657 |
10 |
| Korea Institute of Energy Research | 803 |
10 |
| ARQ Solutions (es), Inc. | 58 |
10 |
| IFP Energies Nouvelles | 2717 |
8 |
| Commonwealth Scientific and Industrial Research Organisation | 1652 |
7 |
| Solvay SA | 1181 |
7 |
| BASF SE | 19740 |
6 |
| The Regents of the University of California | 18943 |
6 |
| Kurita Water Industries Ltd. | 1110 |
6 |
| Championx LLC | 311 |
6 |
| Battelle Memorial Institute | 2356 |
5 |
| Durr Systems, Inc. | 140 |
5 |
| Research Triangle Institute | 389 |
5 |
| Lawrence Livermore National Security, LLC | 1834 |
4 |
| Nalco Company | 620 |
4 |
| Sinfonia Technology Co., Ltd. | 247 |
4 |
| Messer Industries USA, Inc. | 103 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| Other owners | 152 |