| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | United Kingdom | 5 | |
| #3 | Canada | 4 | |
| #4 | Austria | 3 | |
| #5 | Switzerland | 3 | |
| #6 | Denmark | 2 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Optics | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Burners | |
| #2 | Reduction of greenhouse gas emissions | |
| #3 | Supplying fuel to combustion device | |
| #4 | Domestic stoves | |
| #5 | Cameras |
| # | Name | Total Patents |
|---|---|---|
| #1 | Guimaraes Julio | 23 |
| Publication | Filing date | Title |
|---|---|---|
| CA84549A | Gas burner | |
| CA85449A | Photographic apparatus | |
| US741399A | Magazine photographic camera. | |
| US740645A | Gas-burner. | |
| GB190310726A | Improvements in and relating to Photographic Cameras. | |
| GB190310399A | Improvements in or relating to Gas Burners | |
| US684227A | Oil-lamp. | |
| GB190106911A | Improvements in or relating to Oil Lamps and Burners. | |
| US678245A | Oil-stove. | |
| GB190102408A | Improvements in Oil Stoves. | |
| CA71884A | Gas lamp | |
| CA72522A | Oil lamp | |
| US684636A | Oil-lamp. | |
| US684637A | Gas-lamp. | |
| GB190019697A | Improvements in Gas Lamps |