| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Australia | 3 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 3 | |
| #5 | China | 2 | |
| #6 | Brazil | 1 | |
| #7 | Ecuador | 1 | |
| #8 | Japan | 1 | |
| #9 | Lithuania | 1 | |
| #10 | Mexico | 1 | |
| #11 | New Zealand | 1 | |
| #12 | Taiwan | 1 | |
| #13 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Machines | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Syringes | |
| #2 | Unspecified technologies | |
| #3 | Air-conditioning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Levine Walter | 15 |
| #2 | Bradley Keith J | 7 |
| #3 | Sanders Walter R | 6 |
| #4 | Jackson John | 2 |
| #5 | Salleras Juan D | 2 |
| #6 | Walter Levine | 2 |
| #7 | Walter R Sanders | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2007221842A1 | Apparatus for equalizing air pressure in an air respiratory system | |
| US2008054500A1 | Float for humidification chamber | |
| US2008054497A1 | Vented cap humidification system | |
| US2004050386A1 | Apparatus for equalizing air pressure in air respiratory system |