- 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 27/56 - Porous or cellular materials
Patent holdings for IPC class A61L 27/56
Total number of patents in this class: 3803
10-year publication summary
219
|
318
|
329
|
357
|
359
|
362
|
356
|
274
|
248
|
74
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Warsaw Orthopedic, Inc. | 3184 |
67 |
President and Fellows of Harvard College | 5792 |
44 |
The Regents of the University of California | 18943 |
41 |
LifeCell Corporation | 350 |
39 |
Sofradim Production | 305 |
37 |
Centre National de La Recherche Scientifique | 9632 |
34 |
The Johns Hopkins University | 5377 |
33 |
Smith & Nephew, Inc. | 2685 |
33 |
University of Pittsburgh - Of the Commonwealth System of Higher Education | 2912 |
31 |
FUJIFILM Corporation | 27102 |
30 |
The Regents of the University of Michigan | 4409 |
30 |
Depuy Synthes Products, LLC | 2880 |
30 |
Trustees of Tufts College | 743 |
30 |
Zimmer, Inc. | 1371 |
30 |
Chongqing Runze Pharmaceutical Co., Ltd. | 81 |
29 |
Allergan, Inc. | 2600 |
28 |
Children's Medical Center Corporation | 1780 |
26 |
Tepha, Inc. | 233 |
26 |
W. L. Gore & Associates, Inc. | 2600 |
24 |
Cartiheal (2009) Ltd. | 51 |
18 |
Other owners | 3143 |