- All sections
- A - Human necessities
- A62B - Devices, apparatus or methods for life-saving
- A62B 23/00 - Filters for breathing-protection purposes
Patent holdings for IPC class A62B 23/00
Total number of patents in this class: 146
10-year publication summary
|
8
|
12
|
12
|
9
|
44
|
39
|
17
|
7
|
6
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17484 |
8 |
| RZ Industries LLC, DBA RZ Mask | 61 |
5 |
| Blucher GmbH | 176 |
4 |
| Dyson Technology Limited | 4010 |
4 |
| Georgia Tech Research Corporation | 2954 |
3 |
| Augustine Biomedical and Design, LLC | 44 |
3 |
| Lighthouse Worldwide Solutions, Inc. | 16 |
3 |
| Nypro Inc. | 100 |
3 |
| Omachron Intellectual Property Inc. | 969 |
3 |
| Primed Medical Products Inc. | 40 |
3 |
| Shen Zhong Hai Medical Supplies (Shen Zhen) Co., Ltd | 3 |
3 |
| Perumala Holdings, LLC (a Belize Limited Liability company) | 31 |
3 |
| LG Electronics Inc. | 75845 |
2 |
| Calgon Carbon Corporation | 256 |
2 |
| Dräger Safety AG & Co. KGaA | 470 |
2 |
| Scott Technologies, Inc. | 198 |
2 |
| Snap Cpap, LLC | 33 |
2 |
| Free Air, Inc. | 3 |
2 |
| Clean-air s.r.o. | 4 |
2 |
| Alfred Kärcher SE & Co. KG | 770 |
2 |
| Other owners | 85 |