Français Register Login

  • 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 5/58 - Apparatus for correcting stammering or stuttering

Patent holdings for IPC class A61F 5/58

Total number of patents in this class: 61

10-year publication summary

6
10
11
3
5
4
6
6
1
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Cirrus Logic, Inc.
1792
4
Align Technology, Inc.
2234
4
Brown Innovation, LLC
32
3
Djo, LLC
558
3
East Carolina University
168
3
Singing Straw LLC
3
3
Purdue Research Foundation
3849
2
University of Mississippi
154
2
The University of North Carolina at Chapel Hill
2069
2
Wichita State University
136
2
Speech Buddies, Inc.
5
2
MedRhythms, Inc.
28
2
BAUMANN Ed.
4
2
University of Florida Research Foundation, Inc.
4144
1
The Government of The United States of America, AS represented by The secretary, Department of Health and Human Services
62
1
Hadassah Academic College
2
1
Marshall University Research Corporation
57
1
Otologics, LLC
22
1
Phagenesis Limited
51
1
Prosomnus Sleep Technologies Inc.
54
1
Other owners 20

  • ipowner home
  • ipqwery home
  • contact us
  • privacy policy
  • terms and conditions
© 2026 IPQwery All rights reserved