- All sections
- A - Human necessities
- A62B - Devices, apparatus or methods for life-saving
- A62B 21/00 - Devices for producing oxygen from chemical substances for respiratory apparatus
Patent holdings for IPC class A62B 21/00
Total number of patents in this class: 82
10-year publication summary
|
2
|
9
|
13
|
7
|
8
|
5
|
10
|
5
|
6
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AVOX Systems Inc. | 65 |
8 |
| Vero Biotech Inc. | 80 |
6 |
| B/E Aerospace, Inc. | 1608 |
5 |
| Oxygenium Ltd. | 5 |
5 |
| Rapid Oxygen Company Inc. | 6 |
4 |
| Diehl Aviation Gilching GmbH | 38 |
4 |
| O2-matic Products Private Limited | 6 |
3 |
| Shaanxi Star Explosion Safety Polytron Technologies Inc | 6 |
3 |
| Koninklijke Philips N.V. | 24439 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2731 |
2 |
| 3B Medical, Inc. | 72 |
2 |
| Draeger Safety AG & Co. KGaA | 34 |
2 |
| Dräger Safety AG & Co. KGaA | 422 |
2 |
| MSA Europe GmbH | 85 |
2 |
| Oceaneering International, Inc. | 425 |
2 |
| Safran AeroSystems | 228 |
2 |
| Safran Aerotechnics | 56 |
2 |
| Safran Aerotechnics SAS | 36 |
2 |
| Digent Bio Co., Ltd. | 2 |
2 |
| Saving Story Co., Ltd | 2 |
2 |
| Other owners | 20 |