| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | EPO (European Patent Office) | 5 | |
| #3 | Japan | 3 | |
| #4 | Australia | 2 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Furniture and games | |
| #3 | Machines | |
| #4 | Electrical machinery and energy | |
| #5 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Weinstein Lawrence A | 8 |
| #2 | Richards Fredrick M | 7 |
| #3 | Niles Rex A | 6 |
| #4 | Pelerossi Richard K | 5 |
| #5 | Laun Deborah A | 5 |
| #6 | Diehl Stephen D | 4 |
| #7 | Zirps Christopher T | 4 |
| #8 | Elden Robert H | 4 |
| #9 | Foran Jennifer M | 4 |
| #10 | Diehl Stephen David | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2003127092A1 | Positive expiratory pressure device with bypass | |
| US6656129B2 | Flow based incentive spirometer | |
| US6539938B2 | Maximum expiratory pressure device | |
| US6588421B1 | HME bypass system | |
| US6718979B1 | Oxygen mask assembly | |
| US6581598B1 | Positive expiratory pressure device | |
| US6238353B1 | Incentive spirometer | |
| US6191497B1 | Spirometer counter circuit | |
| US6253766B1 | Continuous positive airway pressure therapy device |