- 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 5/443 - Devices worn by the patient for reception of urine, faeces, catamenial or other dischargeColostomy devices having hydrocolloid type seals, e.g. gels, starches, karaya gums
Patent holdings for IPC class A61F 5/443
Total number of patents in this class: 635
10-year publication summary
|
29
|
40
|
50
|
84
|
78
|
78
|
55
|
76
|
64
|
39
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Coloplast A/S | 1883 |
311 |
| Hollister Incorporated | 1019 |
88 |
| Purewick Corporation | 344 |
42 |
| ConvaTec Technologies Inc. | 294 |
36 |
| Sage Products, LLC | 342 |
19 |
| Furine ApS | 15 |
9 |
| Medline Industries, LP | 2316 |
8 |
| ConvaTec Limited | 315 |
7 |
| B. Braun Medical SAS | 96 |
6 |
| Mölnlycke Health Care AB | 555 |
6 |
| Salts Healthcare Limited | 178 |
5 |
| Welland Medical Limited | 36 |
5 |
| Trio Healthcare Limited | 37 |
4 |
| Korea Institute of Science and Technology | 2107 |
3 |
| Euromed, Inc. | 18 |
3 |
| Covidien LP | 10589 |
2 |
| Kimberly-clark Worldwide, Inc. | 5504 |
2 |
| ConvaTec Ltd | 3 |
2 |
| Fistula Solution Corporation, AKA Fistula Solution | 8 |
2 |
| Marlen Manufacturing and Development Co. | 13 |
2 |
| Other owners | 73 |