| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Belgium | 2 | |
| #5 | Australia | 1 | |
| #6 | Switzerland | 1 | |
| #7 | France | 1 | |
| #8 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Furniture and games | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Sanitary equipment | |
| #2 | Climate change adaptation technologies | |
| #3 | Cremation furnaces | |
| #4 | Ignition and extinguishing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Frankel Donald P | 4 |
| #2 | Frankel D | 3 |
| #3 | Christenson Maurice E | 2 |
| #4 | Helke Robert C | 2 |
| #5 | Helke R | 2 |
| #6 | Frankel D P | 1 |
| #7 | Peterson C | 1 |
| #8 | Kendall Willard E | 1 |
| #9 | Peterson Ch K | 1 |
| #10 | Frankel Donald Page | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU5974173A | Dry sanitary toilet | |
| GB1434401A | Incinerating waste disposal devices | |
| US3867729A | Incinerator | |
| US3844704A | Burner and ignition system | |
| US3782886A | Incinerating toilet and burner with ceramic head | |
| US3780677A | Incinerator and ignition system combination | |
| US3817193A | Incinerator | |
| US3752090A | Dry sanitary toilet | |
| US3304559A | Timer assembly for dry latrine or the like | |
| US3338191A | Incinerator | |
| US3323473A | Incinerating latrine or toilet apparatus |