- 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 13/537 - 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 an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
Patent holdings for IPC class A61F 13/537
Total number of patents in this class: 890
10-year publication summary
|
75
|
85
|
103
|
93
|
62
|
85
|
68
|
59
|
40
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 21964 |
343 |
| Kimberly-clark Worldwide, Inc. | 5301 |
83 |
| Unicharm Corporation | 2930 |
50 |
| Daio Paper Corporation | 1392 |
36 |
| Essity Hygiene and Health Aktiebolag | 2037 |
31 |
| Drylock Technologies, naamloze vennootschap | 287 |
17 |
| SCA Hygiene Products AB | 594 |
16 |
| Kao Corporation | 5027 |
15 |
| Ontex Group NV | 178 |
15 |
| Fitesa Film Products LLC | 48 |
13 |
| BASF SE | 21134 |
10 |
| Uni-Charm Corporation | 594 |
10 |
| Glatfelter Falkenhagen GmbH | 22 |
9 |
| ONTEX, besloten vennootschap | 171 |
8 |
| Livedo Corporation | 160 |
7 |
| Glatfelter Corporation | 63 |
7 |
| Attends Healthcare Products, Inc. | 139 |
6 |
| Libeltex | 7 |
6 |
| MAS Innovation (Private) Limited | 130 |
5 |
| Sumitomo Seika Chemicals Co., Ltd. | 1051 |
5 |
| Other owners | 198 |