- All sections
- A - Human necessities
- A61L - Methods or apparatus for sterilising materials or objects in general; disinfection, sterilisation or deodorisation of air; chemical aspects of bandages, dressings, absorbent pads or surgical articles; materials for bandages, dressings, absorbent pads or surgical articles
- A61L 2/28 - Devices for testing the effectiveness or completeness of sterilisation, e.g. indicators which change colour
Patent holdings for IPC class A61L 2/28
Total number of patents in this class: 950
10-year publication summary
|
71
|
61
|
83
|
72
|
101
|
124
|
114
|
162
|
92
|
24
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| American Sterilizer Company | 654 |
71 |
| 3m Innovative Properties Company | 18406 |
64 |
| ASP Global Manufacturing GmbH | 240 |
62 |
| Solventum Intellectual Properties Company | 2681 |
52 |
| Ecolab USA Inc. | 5190 |
20 |
| Stryker Corporation | 3864 |
18 |
| Aesculap AG | 1306 |
14 |
| Tristel plc | 132 |
12 |
| The Boeing Company | 19843 |
10 |
| Fresenius Medical Care Deutschland GmbH | 2100 |
10 |
| Kinnos Inc. | 35 |
10 |
| Merck Patent GmbH | 5909 |
9 |
| Crosstex International, Inc. | 113 |
9 |
| Steris Inc. | 146 |
9 |
| O&M Halyard, Inc. | 371 |
9 |
| Canon Inc. | 36841 |
8 |
| Rememdia LC | 27 |
8 |
| Canon Kabushiki Kaisha | 6884 |
8 |
| Bracco Imaging S.p.A. | 322 |
7 |
| Mesa Laboratories, Inc. | 63 |
7 |
| Other owners | 533 |