- All sections
- A - Human necessities
- A41D - Outerwearprotective garmentsaccessories
- A41D 13/11 - Protective face masks, e.g. for surgical use, or for use in foul atmospheres
Patent holdings for IPC class A41D 13/11
Total number of patents in this class: 2388
10-year publication summary
|
167
|
139
|
144
|
161
|
908
|
1044
|
461
|
192
|
142
|
85
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17445 |
134 |
| Stryker Corporation | 5661 |
33 |
| O&M Halyard, Inc. | 556 |
27 |
| Unicharm Corporation | 2981 |
24 |
| Daio Paper Corporation | 1415 |
17 |
| Honeywell International Inc. | 12770 |
16 |
| Honeywell Safety Products USA, Inc. | 738 |
16 |
| LG Electronics Inc. | 75973 |
15 |
| Kao Corporation | 5096 |
15 |
| Avent, Inc. | 925 |
11 |
| Koken Ltd. | 65 |
11 |
| O&M Halyard International Unlimited Company | 35 |
11 |
| Nitto Denko Corporation | 8580 |
10 |
| Kimberly-clark Worldwide, Inc. | 5259 |
9 |
| Koninklijke Philips N.V. | 25999 |
9 |
| Intersurgical AG | 140 |
9 |
| Pabban Development, Inc. | 22 |
9 |
| Dexerials Corporation | 2005 |
8 |
| Kobayashi Pharmaceutical Co., Ltd. | 762 |
8 |
| T.h.i. Total Healthcare Innovation GmbH | 12 |
8 |
| Other owners | 1988 |