| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Australia | 4 | |
| #3 | China | 3 | |
| #4 | Canada | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | Republic of Korea | 2 | |
| #7 | Brazil | 1 | |
| #8 | Colombia | 1 | |
| #9 | Hong Kong | 1 | |
| #10 | Mexico | 1 | |
| #11 | Singapore | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Medical technology | |
| #3 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Chemical or physical processes | |
| #3 | Object sterilising | |
| #4 | Spark gaps and corona devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tupman David E | 22 |
| #2 | Warren W Weston | 10 |
| #3 | Warren Wallace Weston | 3 |
| #4 | Tupman David | 1 |
| #5 | David E Tupman | 1 |
| #6 | W Weston Warren | 1 |
| Publication | Filing date | Title |
|---|---|---|
| BR112014005146A2 | Air ionization appliances | |
| CN104784733A | Enhanced photo-catalytic element |