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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 11/20 - Ear surgery

Patent holdings for IPC class A61F 11/20

Total number of patents in this class: 160

10-year publication summary

2
3
10
12
27
19
20
29
22
7
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Acclarent, Inc.
548
20
Spiral Therapeutics Inc.
60
17
Preceptis Medical, Inc.
31
10
Cochlear Limited
1998
9
Karl STORZ SE & Co. KG
1784
7
Alcon, Inc.
5861
6
Ear Tech, LLC
10
4
Gyrus ACMI, Inc.
1292
3
The Trustees of Columbia University in the City of New York
3644
3
3nt Medical Ltd.
28
3
Massachusetts Eye and Ear Infirmary
399
3
Tusker Medical, Inc.
84
3
J&kym Co., Ltd.
5
3
The Board of Trustees of the Leland Stanford Junior University
6653
2
The General Hospital Corporation
4870
2
ACE Vision Group, Inc.
50
2
Advanced Bionics AG
638
2
Aerin Medical, Inc.
95
2
Biomedcraft Designs, Inc.
2
2
Biosense Webster (Israel) Ltd.
2278
2
Other owners 55

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