- All sections
- A - Human necessities
- A61F - Filters implantable into blood vessels; prostheses; devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents; orthopaedic, nursing or contraceptive devices; fomentation; treatment or protection of eyes or ears; bandages, dressings or absorbent pads; first-aid kits
- A61F 9/06 - Masks, shields, or hoods for welders
Patent holdings for IPC class A61F 9/06
Total number of patents in this class: 447
10-year publication summary
46
|
52
|
67
|
67
|
43
|
49
|
43
|
49
|
24
|
9
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Illinois Tool Works Inc. | 11152 |
89 |
3m Innovative Properties Company | 18406 |
78 |
Lincoln Global, Inc. | 2180 |
33 |
Tecmen Electronics Co., Ltd. | 76 |
31 |
Otos Wing Co., Ltd. | 52 |
23 |
e-Vision Smart Optics, Inc. | 129 |
18 |
Otos Wing.co., Ltd. | 13 |
9 |
Walter Surface Technologies Incorporated | 52 |
9 |
Optrel Holding AG | 23 |
8 |
Changzhou Shine Science & Technology Co., Ltd. | 9 |
6 |
Fronius International GmbH | 647 |
5 |
Trafimet Group S.p.A. | 57 |
4 |
Wuhan Welhel Photoelectric Co., Ltd. | 7 |
4 |
Jiangsu Meixin Optoelectronics Technology Co., Ltd. | 27 |
4 |
Selene Photonics, Inc. | 7 |
4 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
3 |
EnChroma Inc. | 34 |
3 |
Kemppi Oy | 58 |
3 |
Optrel AG | 8 |
3 |
Otex Protective, Inc. | 4 |
3 |
Other owners | 107 |