- All sections
- A - Human necessities
- A61F - Filters implantable into blood vessels; prostheses; devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents; orthopaedic, nursing or contraceptive devices; fomentation; treatment or protection of eyes or ears; bandages, dressings or absorbent pads; first-aid kits
- A61F 13/512 - Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
Patent holdings for IPC class A61F 13/512
Total number of patents in this class: 503
10-year publication summary
64
|
65
|
60
|
67
|
87
|
60
|
44
|
37
|
37
|
26
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
The Procter & Gamble Company | 22178 |
242 |
Kimberly-clark Worldwide, Inc. | 5854 |
53 |
Daio Paper Corporation | 1407 |
41 |
Fitesa Film Products LLC | 53 |
19 |
Essity Hygiene and Health Aktiebolag | 1990 |
14 |
Unicharm Corporation | 2744 |
14 |
Kao Corporation | 4843 |
12 |
SCA Hygiene Products AB | 730 |
12 |
Advantage Creation Enterprise LLC | 9 |
6 |
Tredegar Film Products Corporation | 34 |
6 |
TurnCare, Inc. | 59 |
6 |
Solventum Intellectual Properties Company | 2681 |
6 |
Uni-Charm Corporation | 611 |
5 |
Pantex International S.p.A. | 13 |
5 |
Xiamen Yanjan New Material Co., Ltd | 32 |
4 |
Zuiko Corporation | 411 |
4 |
Concepts for Success (c4s) | 32 |
3 |
Texol S.r.l. | 14 |
3 |
Tredegar Film Products LLC | 6 |
3 |
Daiwabo Holdings Co., Ltd. | 50 |
2 |
Other owners | 43 |