- 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 13/515 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the outer layers of the pads characterised by the interconnection of the topsheet and the backsheet
Patent holdings for IPC class A61F 13/515
Total number of patents in this class: 271
10-year publication summary
|
33
|
27
|
28
|
36
|
23
|
14
|
15
|
22
|
13
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 21905 |
99 |
| Daio Paper Corporation | 1409 |
37 |
| Unicharm Corporation | 2947 |
23 |
| Kimberly-clark Worldwide, Inc. | 5281 |
10 |
| Uni-Charm Corporation | 596 |
9 |
| TurnCare, Inc. | 98 |
9 |
| Kao Corporation | 5020 |
7 |
| Essity Hygiene and Health Aktiebolag | 2034 |
7 |
| Livedo Corporation | 160 |
6 |
| MAS Innovation (Private) Limited | 130 |
5 |
| Fitesa Film Products LLC | 48 |
5 |
| SCA Hygiene Products AB | 584 |
4 |
| Zuiko Corporation | 433 |
4 |
| Bostik, Inc. | 171 |
3 |
| Ontex Group NV | 180 |
3 |
| Attends Healthcare Products, Inc. | 138 |
2 |
| Curt G. Joa, Inc. | 216 |
2 |
| Green Impact Holding AG | 9 |
2 |
| H.B. Fuller Company | 495 |
2 |
| Principle Business Enterprises, Inc. | 81 |
2 |
| Other owners | 30 |