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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 11/08 - Protective devices for the ears internal, e.g. earplugs

Patent holdings for IPC class A61F 11/08

Total number of patents in this class: 488

10-year publication summary

51
40
47
52
39
42
32
29
30
4
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
3m Innovative Properties Company
17592
56
ST Tiptech, LLC
50
19
ST Portfolio Holdings, LLC
231
17
Bose Corporation
3065
10
Gentex Corporation
1933
10
Moldex-Metric, Inc.
133
10
Sonova AG
1075
10
Minuendo AS
22
10
JMJ Holdings, LLC
21
9
Cochlear Limited
1938
8
Kimberly-clark Worldwide, Inc.
5301
7
Dynamic Ear Company B.V.
15
7
Honeywell Safety Products USA, Inc.
890
7
Tusker Medical, Inc.
84
7
SAMUELS, Adrian James
144
7
Decibullz LLC
45
6
Triton Systems, Inc.
64
6
Nocira, LLC
27
6
GN Hearing A/S
916
6
Ecole de Technologie Superieure
198
5
Other owners 265

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