- All sections
- A - Human necessities
- A62B - Devices, apparatus or methods for life-saving
- A62B 23/02 - Filters for breathing-protection purposes for respirators
Patent holdings for IPC class A62B 23/02
Total number of patents in this class: 1343
10-year publication summary
|
81
|
104
|
95
|
79
|
92
|
402
|
401
|
224
|
141
|
68
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17752 |
170 |
| LG Electronics Inc. | 73619 |
31 |
| Honeywell Safety Products USA, Inc. | 880 |
26 |
| Scott Technologies, Inc. | 199 |
17 |
| Dräger Safety AG & Co. KGaA | 443 |
13 |
| Samsung Electronics Co., Ltd. | 148649 |
12 |
| Koninklijke Philips N.V. | 25074 |
11 |
| Dyson Technology Limited | 3732 |
11 |
| Eurofilters Holding N.V. | 90 |
10 |
| Milwaukee Electric Tool Corporation | 4542 |
9 |
| Avon Protection Systems, Inc. | 32 |
8 |
| Toray Advanced Materials Korea Inc. | 269 |
7 |
| Hollingsworth & Vose Company | 299 |
7 |
| Intersurgical AG | 139 |
7 |
| Moldex-Metric, Inc. | 134 |
7 |
| Octo Safety Devices, LLC | 16 |
7 |
| Honeywell International Inc. | 13562 |
6 |
| The United States of America as represented by the Secretary of the Army | 1225 |
6 |
| D. Wheatley Enterprises, Inc. | 24 |
6 |
| JSP Limited | 178 |
6 |
| Other owners | 966 |