- All sections
- A - Human necessities
- A61B - Diagnosis; surgery; identification
- A61B 5/091 - Measuring volume of inspired or expired gases, e.g. to determine lung capacity
Patent holdings for IPC class A61B 5/091
Total number of patents in this class: 715
10-year publication summary
|
71
|
80
|
80
|
94
|
83
|
74
|
72
|
75
|
62
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips N.V. | 22975 |
47 |
| Cardiac Pacemakers, Inc. | 3115 |
27 |
| Valencell, Inc. | 118 |
26 |
| Fisher & Paykel Healthcare Limited | 2218 |
17 |
| Covidien LP | 10647 |
15 |
| Drägerwerk AG & Co. KGaA | 840 |
15 |
| Bardy Diagnostics, Inc. | 188 |
13 |
| Respiratory Motion, Inc. | 37 |
13 |
| MAQUET Critical Care AB | 265 |
10 |
| Pulmonx Corporation | 103 |
9 |
| ResMed Pty Ltd | 1995 |
9 |
| The Regents of the University of California | 18943 |
8 |
| Samsung Electronics Co., Ltd. | 131630 |
7 |
| Medical Design Solutions, Inc. | 11 |
7 |
| Samay Inc. | 7 |
7 |
| General Electric Company | 18133 |
6 |
| Norton (Waterford) Limited | 228 |
6 |
| St. Michael's Hospital | 36 |
6 |
| Nihon Kohden Corporation | 637 |
5 |
| Shape Medical Systems, Inc. | 8 |
5 |
| Other owners | 457 |