- 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 5/441 - Devices worn by the patient for reception of urine, faeces, catamenial or other dischargeColostomy devices having deodorant means, e.g. filters
Patent holdings for IPC class A61F 5/441
Total number of patents in this class: 309
10-year publication summary
|
35
|
22
|
23
|
25
|
34
|
44
|
32
|
38
|
32
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hollister Incorporated | 1104 |
47 |
| ConvaTec Technologies Inc. | 256 |
28 |
| Salts Healthcare Limited | 180 |
23 |
| Purewick Corporation | 404 |
17 |
| Coloplast A/S | 1930 |
14 |
| B. Braun Medical SAS | 89 |
11 |
| ConvaTec Limited | 383 |
10 |
| Donaldson Company, Inc. | 1607 |
8 |
| Boston Scientific Scimed, Inc. | 11169 |
5 |
| Sage Products, LLC | 394 |
5 |
| Ostovalve LLC | 16 |
5 |
| C. R. Bard, Inc. | 1760 |
4 |
| Emory University | 1723 |
4 |
| Welland Medical Limited | 35 |
4 |
| Ur24technology, Inc. | 16 |
4 |
| LiquiGlide Inc. | 22 |
3 |
| Stimatix GI Ltd. | 8 |
3 |
| Armstrong Medical Inc. | 4 |
3 |
| Triple Idea Lda | 4 |
3 |
| Medline Industries, LP | 2384 |
3 |
| Other owners | 105 |