| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 3 | |
| #2 | Switzerland | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | United States | 2 | |
| #5 | Denmark | 1 | |
| #6 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Environmental technology | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Fuels | |
| #2 | Dredging | |
| #3 | Reduction of greenhouse gas emissions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Alexander Julius | 10 |
| #2 | Weber August | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US1117125A | Briquet. | |
| GB191316838A | Improvements in Briquettes of Coke Dust Alone or Mixed with Wood Waste. | |
| GB190700971A | Improvements in, and relating to, Devices for Cleaning Multitubular Boilers. | |
| US848082A | Multitubular-boiler-cleaning device. |