- 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 13/531 - 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 having a homogeneous composition through the thickness of the pad
Patent holdings for IPC class A61F 13/531
Total number of patents in this class: 173
10-year publication summary
|
11
|
21
|
14
|
20
|
12
|
23
|
11
|
11
|
12
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 21862 |
70 |
| Kimberly-clark Worldwide, Inc. | 5257 |
14 |
| Ontex Group NV | 187 |
14 |
| Drylock Technologies, naamloze vennootschap | 329 |
7 |
| Essity Hygiene and Health Aktiebolag | 2326 |
7 |
| ONTEX, besloten vennootschap | 177 |
7 |
| Daio Paper Corporation | 1420 |
6 |
| Uni-Charm Corporation | 600 |
4 |
| Attends Healthcare Products, Inc. | 138 |
4 |
| Kao Corporation | 5100 |
2 |
| Livedo Corporation | 161 |
2 |
| Productos Familia S.A. | 49 |
2 |
| SCA Hygiene Products AB | 557 |
2 |
| Sumitomo Seika Chemicals Co., Ltd. | 1046 |
2 |
| DSG Technology Holdings Ltd. | 39 |
2 |
| Diamond Hygienix, LLC | 2 |
2 |
| GCF US Holdings LLC | 140 |
2 |
| BASF SE | 21320 |
1 |
| Advanced Absorbent Technologies, LLC | 5 |
1 |
| The Board of Trustees of the University of Alabama | 440 |
1 |
| Other owners | 21 |