- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 53/30 - Controlling by gas-analysis apparatus
Patent holdings for IPC class B01D 53/30
Total number of patents in this class: 441
10-year publication summary
|
23
|
45
|
57
|
45
|
44
|
56
|
45
|
41
|
50
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4728 |
15 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3599 |
14 |
| IONaer International Arizona, LLC | 19 |
10 |
| Honeywell International Inc. | 14021 |
8 |
| Source Global, PBC | 63 |
8 |
| NOx II, Ltd. | 50 |
6 |
| Saudi Arabian Oil Company | 12446 |
6 |
| Koninklijke Philips N.V. | 23999 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 40608 |
5 |
| Alstom Technology Ltd | 1145 |
5 |
| Atlas Copco Airpower, naamloze vennootschap | 984 |
5 |
| Microjet Technology Co., Ltd. | 410 |
5 |
| Intelligent Abatement, LLC | 22 |
5 |
| Samsung Electronics Co., Ltd. | 139001 |
4 |
| Enverid Systems, Inc. | 79 |
4 |
| General Electric Technology GmbH | 1599 |
4 |
| Ventec Life Systems, Inc. | 100 |
4 |
| MG Smart Ventures, LLC | 9 |
4 |
| Honda Motor Co., Ltd. | 24866 |
3 |
| Toyota Motor Corporation | 30455 |
3 |
| Other owners | 318 |