- 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: 1272
10-year publication summary
|
80
|
86
|
110
|
98
|
83
|
92
|
410
|
409
|
219
|
68
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 18406 |
159 |
| LG Electronics Inc. | 69257 |
29 |
| Honeywell International Inc. | 13799 |
27 |
| Scott Technologies, Inc. | 210 |
17 |
| Dräger Safety AG & Co. KGaA | 401 |
13 |
| Samsung Electronics Co., Ltd. | 131630 |
11 |
| Koninklijke Philips N.V. | 22975 |
10 |
| Eurofilters Holding N.V. | 93 |
10 |
| Dyson Technology Limited | 3124 |
9 |
| Milwaukee Electric Tool Corporation | 3572 |
9 |
| Avon Protection Systems, Inc. | 36 |
7 |
| Intersurgical AG | 135 |
7 |
| Toray Advanced Materials Korea Inc. | 222 |
6 |
| JSP Limited | 163 |
6 |
| Vehicle System Co., Ltd. | 11 |
6 |
| Covidien LP | 10647 |
5 |
| Koreatech Co., Ltd. | 44 |
5 |
| RZ Industries LLC, DBA RZ Mask | 52 |
5 |
| O&M Halyard, Inc. | 371 |
5 |
| Alfred Kärcher SE & Co. KG | 547 |
5 |
| Other owners | 921 |