- All sections
- A - Human necessities
- A61F - Filters implantable into blood vessels; prostheses; devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents; orthopaedic, nursing or contraceptive devices; fomentation; treatment or protection of eyes or ears; bandages, dressings or absorbent pads; first-aid kits
- A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
Patent holdings for IPC class A61F 13/49
Total number of patents in this class: 4372
10-year publication summary
416
|
414
|
349
|
396
|
393
|
315
|
272
|
217
|
257
|
0
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Unicharm Corporation | 2786 |
1041 |
The Procter & Gamble Company | 22148 |
978 |
Kimberly-clark Worldwide, Inc. | 5519 |
349 |
Daio Paper Corporation | 1390 |
297 |
Kao Corporation | 4898 |
253 |
Zuiko Corporation | 419 |
145 |
Essity Hygiene and Health Aktiebolag | 2013 |
132 |
Uni-Charm Corporation | 604 |
119 |
Sumitomo Seika Chemicals Co., Ltd. | 1033 |
55 |
SCA Hygiene Products AB | 685 |
47 |
Livedo Corporation | 163 |
38 |
Paul Hartmann AG | 774 |
37 |
Oji Holdings Corporation | 698 |
34 |
Ontex Group NV | 153 |
33 |
Nippon Shokubai Co., Ltd. | 1512 |
31 |
Fameccanica.Data S.p.A. | 191 |
30 |
Medline Industries, LP | 2271 |
29 |
Curt G. Joa, Inc. | 204 |
27 |
Drylock Technologies, naamloze vennootschap | 261 |
24 |
DSG Technology Holdings Ltd. | 40 |
24 |
Other owners | 649 |