| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Australia | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | China | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Finland | 1 | |
| #9 | India | 1 | |
| #10 | Norway | 1 | |
| #11 | New Zealand | 1 | |
| #12 | Poland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Water treatment | |
| #2 | Object sterilising |
| # | Name | Total Patents |
|---|---|---|
| #1 | Engelhard Rolf | 15 |
| #2 | Engelhard R | 1 |
| #3 | Martin Ronald | 1 |
| #4 | Denkewicz Raymond P | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2008142452A1 | Apparatus and method for preventing biological regrowth in water | |
| AU4990997A | Super ozonating water purifier | |
| US5709799A | Super ozonating water purifier | |
| US5540848A | Filter retainer for water purification unit |