| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | Canada | 2 | |
| #3 | Japan | 1 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Measurement | |
| #3 | Machines | |
| #4 | Furniture and games | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Syringes | |
| #2 | Implantable devices | |
| #3 | Analysing materials | |
| #4 | Unspecified technologies | |
| #5 | Measuring volume | |
| #6 | Unspecified technologies | |
| #7 | Physical training equipment | |
| #8 | Diagnosis and surgery | |
| #9 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Boehringer John R | 16 |
| #2 | Karpowicz John | 5 |
| #3 | Radl Christopher L | 5 |
| #4 | Mitra Amitabha | 2 |
| #5 | Lecky John | 1 |
| #6 | Timm Jacvob L | 1 |
| #7 | Lecky John H | 1 |
| #8 | Klocek Kevin P | 1 |
| #9 | Jiyon Aaru Boohirinkaa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4346584A | Gas analyzer | |
| US4182175A | Spirometer | |
| US4231375A | Pulmonary exerciser | |
| US4046014A | Sealable activated charcoal gas sampler | |
| US4182366A | Positive end expiratory pressure device | |
| US4004585A | Safety interface for anesthesia vacuum scavenging | |
| US4026284A | Pressure relief valve for anesthetic administration | |
| CA1021176A | Gas sampling device with removable piston and resealable closure | |
| US3886800A | Gas sampling device | |
| US3908987A | Controlled positive end pressure expiratory device |