- All sections
- A - Human necessities
- A61F - Filters implantable into blood vesselsprosthesesdevices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stentsorthopaedic, nursing or contraceptive devicesfomentationtreatment or protection of eyes or earsbandages, dressings or absorbent padsfirst-aid kits
- A61F 2/20 - LarynxesTracheae combined with larynxes or for use therewith
Patent holdings for IPC class A61F 2/20
Total number of patents in this class: 232
10-year publication summary
|
20
|
16
|
18
|
18
|
11
|
14
|
4
|
5
|
8
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ANDREAS Fahl Medizintechnik - Vertrieb GmbH | 108 |
15 |
| Freudenberg Medical, LLC | 95 |
13 |
| Coloplast A/S | 1910 |
12 |
| Atos Medical AB | 41 |
10 |
| Protip Medical | 13 |
7 |
| Aprevent Medical Inc. | 10 |
7 |
| C2dx, Inc. | 62 |
7 |
| Ethicon, Inc. | 1141 |
6 |
| HANSA Medical Products, Inc. | 18 |
6 |
| Nobelpharma Co., Ltd. | 65 |
6 |
| Yale University | 2482 |
6 |
| Allergan, Inc. | 2234 |
4 |
| Humacyte, Inc. | 31 |
4 |
| Gyrus ACMI, Inc. | 1271 |
3 |
| Wisconsin Alumni Research Foundation | 3930 |
3 |
| The Johns Hopkins University | 5798 |
3 |
| Servona GmbH | 20 |
3 |
| Boston Scientific Scimed, Inc. | 10854 |
2 |
| Murata Manufacturing Co., Ltd. | 25455 |
2 |
| Nokia Technologies Oy | 19968 |
2 |
| Other owners | 111 |