- 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: 4272
10-year publication summary
370
|
416
|
413
|
349
|
396
|
387
|
309
|
271
|
216
|
91
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Unicharm Corporation | 2744 |
1030 |
The Procter & Gamble Company | 22178 |
922 |
Kimberly-clark Worldwide, Inc. | 5854 |
345 |
Daio Paper Corporation | 1407 |
300 |
Kao Corporation | 4843 |
251 |
Zuiko Corporation | 411 |
144 |
Uni-Charm Corporation | 611 |
123 |
Essity Hygiene and Health Aktiebolag | 1990 |
122 |
Sumitomo Seika Chemicals Co., Ltd. | 1028 |
56 |
SCA Hygiene Products AB | 730 |
51 |
Livedo Corporation | 179 |
42 |
Paul Hartmann AG | 771 |
37 |
Oji Holdings Corporation | 660 |
34 |
Nippon Shokubai Co., Ltd. | 1487 |
31 |
Fameccanica.Data S.p.A. | 180 |
29 |
Ontex Group NV | 141 |
29 |
Medline Industries, LP | 2076 |
28 |
Curt G. Joa, Inc. | 193 |
27 |
3m Innovative Properties Company | 18406 |
24 |
Drylock Technologies, naamloze vennootschap | 252 |
23 |
Other owners | 624 |