- 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: 406
10-year publication summary
|
16
|
23
|
45
|
57
|
45
|
44
|
54
|
43
|
39
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4525 |
15 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
14 |
| IONaer International Arizona, LLC | 20 |
10 |
| Honeywell International Inc. | 13799 |
8 |
| Source Global, PBC | 61 |
8 |
| NOx II, Ltd. | 50 |
6 |
| Koninklijke Philips N.V. | 22975 |
5 |
| Alstom Technology Ltd | 1196 |
5 |
| Saudi Arabian Oil Company | 11322 |
5 |
| OnPoint Technologies, LLC | 56 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
4 |
| Atlas Copco Airpower, naamloze vennootschap | 915 |
4 |
| Enverid Systems, Inc. | 80 |
4 |
| General Electric Technology GmbH | 1657 |
4 |
| Microjet Technology Co., Ltd. | 344 |
4 |
| Intelligent Abatement, LLC | 20 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| GM Global Technology Operations LLC | 13620 |
3 |
| Cymer, LLC | 347 |
3 |
| Other owners | 288 |