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  • 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

21
17
18
18
12
15
5
5
8
7
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
112
16
Coloplast A/S
1930
14
Freudenberg Medical, LLC
94
13
Atos Medical AB
40
10
Protip Medical
13
7
Aprevent Medical Inc.
10
7
C2dx, Inc.
62
7
Ethicon, Inc.
1118
6
HANSA Medical Products, Inc.
19
6
Nobelpharma Co., Ltd.
68
6
Yale University
2557
5
Allergan, Inc.
2157
4
Gyrus ACMI, Inc.
1293
3
Wisconsin Alumni Research Foundation
3900
3
The Johns Hopkins University
5913
3
Humacyte, Inc.
30
3
Laronix Pty Ltd
7
3
Boston Scientific Scimed, Inc.
11241
2
Murata Manufacturing Co., Ltd.
25809
2
Nokia Technologies Oy
21475
2
Other owners 110

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