- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 3/08 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in rotating vesselsAtomisation on rotating discs
Patent holdings for IPC class B01D 3/08
Total number of patents in this class: 128
10-year publication summary
|
7
|
8
|
18
|
14
|
20
|
13
|
6
|
7
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hans Heidolph GmbH | 66 |
14 |
| Ecodyst, Inc. | 35 |
9 |
| Verno Holdings, LLC | 25 |
9 |
| Hans Heidolph GmbH & Co. KG | 10 |
8 |
| Beijing Normal University | 107 |
6 |
| KNF Neuberger GmbH | 28 |
5 |
| Statoil Petroleum AS | 469 |
5 |
| IKA-Werke GmbH & Co. KG | 165 |
4 |
| Merck Patent GmbH | 5729 |
3 |
| Golden Renewable Energy, LLC | 10 |
3 |
| Halliburton Energy Services, Inc. | 21320 |
2 |
| ANDREAS Hettich GmbH & Co. KG | 116 |
2 |
| Anhui Jinhe Industrial Co., Ltd. | 93 |
2 |
| Arkema France | 4242 |
2 |
| Grant Prideco, Inc. | 442 |
2 |
| Julius Montz GmbH | 10 |
2 |
| Heidolph Instruments GmbH & Co. KG | 2 |
2 |
| Hellenes Holding AS | 4 |
2 |
| Glaxo Group Limited | 4360 |
1 |
| Schlumberger Technology Corporation | 11820 |
1 |
| Other owners | 44 |