- 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 13/514 - Backsheet, i.e. the impermeable cover or layer furthest from the skin
Patent holdings for IPC class A61F 13/514
Total number of patents in this class: 1274
10-year publication summary
|
141
|
108
|
150
|
165
|
113
|
83
|
71
|
96
|
73
|
61
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 21880 |
503 |
| Unicharm Corporation | 2981 |
174 |
| Daio Paper Corporation | 1415 |
68 |
| Kimberly-clark Worldwide, Inc. | 5259 |
67 |
| Essity Hygiene and Health Aktiebolag | 2319 |
49 |
| Kao Corporation | 5096 |
38 |
| Medline Industries, LP | 2396 |
28 |
| Uni-Charm Corporation | 600 |
19 |
| SCA Hygiene Products AB | 558 |
14 |
| Ontex Group NV | 186 |
14 |
| RKW SE | 178 |
12 |
| Mitsui Chemicals, Inc. | 3261 |
11 |
| ONTEX, besloten vennootschap | 176 |
11 |
| Nitto Denko Corporation | 8580 |
10 |
| Drylock Technologies, naamloze vennootschap | 328 |
9 |
| Livedo Corporation | 161 |
9 |
| TurnCare, Inc. | 107 |
9 |
| Toray Industries, Inc. | 7145 |
7 |
| Berry Global, Inc. | 467 |
7 |
| Zuiko Corporation | 439 |
6 |
| Other owners | 209 |