- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 53/18 - Absorbing units; Liquid distributors therefor
Patent holdings for IPC class B01D 53/18
Total number of patents in this class: 1594
10-year publication summary
|
103
|
135
|
129
|
139
|
133
|
151
|
143
|
157
|
157
|
46
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8217 |
79 |
| Saudi Arabian Oil Company | 11322 |
45 |
| Fuji Electric Co., Ltd. | 4750 |
35 |
| ExxonMobil Upstream Research Company | 2525 |
35 |
| IHI Corporation | 3268 |
31 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
24 |
| Linde Aktiengesellschaft | 1600 |
23 |
| Toshiba Corporation | 12017 |
20 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
20 |
| IFP Energies Nouvelles | 2717 |
17 |
| General Electric Technology GmbH | 1657 |
15 |
| Uop LLC | 4083 |
14 |
| Chiyoda Corporation | 363 |
14 |
| ThermoChem Recovery International, Inc. | 95 |
13 |
| Fluor Technologies Corporation | 410 |
12 |
| Korea Institute of Energy Research | 803 |
12 |
| Z124 | 352 |
12 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
11 |
| University of Kentucky Research Foundation | 643 |
11 |
| Toshiba Energy Systems & Solutions Corp. | 954 |
11 |
| Other owners | 1140 |