- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 61/36 - PervaporationMembrane distillationLiquid permeation
Patent holdings for IPC class B01D 61/36
Total number of patents in this class: 1010
10-year publication summary
|
81
|
99
|
75
|
91
|
99
|
84
|
70
|
61
|
70
|
42
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 4944 |
37 |
| King Abdullah University of Science and Technology | 1768 |
37 |
| Nitto Denko Corporation | 8219 |
29 |
| Asahi Kasei Kabushiki Kaisha | 2653 |
26 |
| Saudi Arabian Oil Company | 12947 |
18 |
| ExxonMobil Research And Engineering Company | 2585 |
16 |
| Mitsubishi Chemical Corporation | 4489 |
16 |
| 3m Innovative Properties Company | 17858 |
13 |
| Uop LLC | 4236 |
11 |
| King Fahd University of Petroleum and Minerals | 1164 |
11 |
| Organo Corporation | 463 |
11 |
| EvCon GmbH | 20 |
11 |
| Mitsubishi Heavy Industries, Ltd. | 8685 |
10 |
| National University of Singapore | 2436 |
10 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2375 |
10 |
| New Jersey Institute of Technology | 310 |
10 |
| ThermoChem Recovery International, Inc. | 99 |
10 |
| Major Bravo Limited | 13 |
10 |
| Massachusetts Institute of Technology | 10030 |
9 |
| Membrane Technology and Research, Inc. | 90 |
9 |
| Other owners | 696 |