- 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 5/44 - Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Colostomy devices
Patent holdings for IPC class A61F 5/44
Total number of patents in this class: 1803
10-year publication summary
|
109
|
94
|
142
|
149
|
186
|
212
|
240
|
251
|
204
|
62
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Coloplast A/S | 1927 |
286 |
| Hollister Incorporated | 930 |
151 |
| Purewick Corporation | 277 |
141 |
| ConvaTec Technologies Inc. | 335 |
89 |
| Unicharm Corporation | 2744 |
64 |
| ConvaTec Limited | 246 |
54 |
| Salts Healthcare Limited | 156 |
50 |
| Daio Paper Corporation | 1407 |
46 |
| C. R. Bard, Inc. | 1765 |
25 |
| C.R. Bard, Inc. | 718 |
20 |
| B. Braun Medical SAS | 105 |
17 |
| Cure Medical LLC | 76 |
17 |
| Ostomycure AS | 36 |
14 |
| CM Technologies, Inc. | 26 |
13 |
| Kao Corporation | 4843 |
12 |
| SCA Hygiene Products AB | 730 |
11 |
| Curaco Inc. | 23 |
10 |
| Uni-Charm Co., Ltd. | 28 |
10 |
| Medline Industries, LP | 2076 |
10 |
| Welland Medical Limited | 41 |
9 |
| Other owners | 754 |