| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 10 | |
| #2 | United Kingdom | 2 | |
| #3 | Switzerland | 1 | |
| #4 | Germany | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Chemical engineering | |
| #3 | Packaging and shipping | |
| #4 | Agriculture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hirt Albert | 10 |
| #2 | Albert Hirt | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB235261A | Improvements relating to apparatus for mechanically charging with fuel furnaces for bricks, tiles and ceramic ware | |
| GB211633A | Improvements in means for automatically regulating the combustible air in the furnaces of boilers and the like | |
| US1436171A | System for handling and transporting articles in factories and the like |