- 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 13/539 - 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 absorbing medium characterised by the connection of absorbent layers with each other or with the outer layers
Patent holdings for IPC class A61F 13/539
Total number of patents in this class: 738
10-year publication summary
|
83
|
66
|
87
|
73
|
60
|
55
|
32
|
44
|
41
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 21912 |
205 |
| Unicharm Corporation | 2964 |
119 |
| Daio Paper Corporation | 1411 |
45 |
| Kimberly-clark Worldwide, Inc. | 5298 |
34 |
| Kao Corporation | 5049 |
32 |
| Essity Hygiene and Health Aktiebolag | 2040 |
25 |
| Ontex Group NV | 182 |
19 |
| Uni-Charm Corporation | 597 |
18 |
| DSG Technology Holdings Ltd. | 39 |
17 |
| Drylock Technologies, naamloze vennootschap | 311 |
15 |
| Livedo Corporation | 160 |
10 |
| Bostik, Inc. | 169 |
9 |
| BASF SE | 21150 |
8 |
| Sumitomo Seika Chemicals Co., Ltd. | 1040 |
7 |
| ONTEX, besloten vennootschap | 173 |
7 |
| Zuiko Corporation | 433 |
6 |
| Medline Industries, Inc. | 183 |
5 |
| Principle Business Enterprises, Inc. | 81 |
5 |
| Attends Healthcare Products, Inc. | 138 |
4 |
| Fitesa Germany GmbH | 40 |
4 |
| Other owners | 144 |