- 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 5/448 - Means attaching bag to seal ring
Patent holdings for IPC class A61F 5/448
Total number of patents in this class: 333
10-year publication summary
|
39
|
29
|
33
|
30
|
28
|
19
|
38
|
35
|
31
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Coloplast A/S | 1930 |
75 |
| Hollister Incorporated | 1108 |
63 |
| ConvaTec Technologies Inc. | 251 |
37 |
| Salts Healthcare Limited | 184 |
14 |
| ConvaTec Limited | 387 |
13 |
| Welland Medical Limited | 35 |
9 |
| B. Braun Medical SAS | 89 |
6 |
| Marlen Manufacturing and Development Co. | 13 |
6 |
| Ostomycure AS | 45 |
6 |
| Stomagienics, Inc. | 11 |
6 |
| Boston Scientific Scimed, Inc. | 11271 |
5 |
| Sanguine Technology, LLC | 7 |
5 |
| Avent, Inc. | 925 |
4 |
| Mölnlycke Health Care AB | 632 |
4 |
| University of Limerick | 199 |
4 |
| Board of Regents, The University of Texas System | 6149 |
3 |
| ConvaTec Inc. | 389 |
3 |
| Erland AS | 3 |
3 |
| MULTI-LOCK ApS | 4 |
3 |
| International Medical Technology, Inc. | 3 |
2 |
| Other owners | 62 |