| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 39 | |
| #2 | Austria | 1 | |
| #3 | Switzerland | 1 | |
| #4 | France | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements | |
| #4 | Environmental technology | |
| #5 | Packaging and shipping | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Ladders | |
| #2 | Fire-fighting | |
| #3 | Venting or aerating devices | |
| #4 | Non-positive-displacement pumps | |
| #5 | Climate change mitigation in transportation | |
| #6 | Steam engine plants | |
| #7 | Cranes | |
| #8 | Pumps | |
| #9 | Spraying devices | |
| #10 | Steam turbines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schellerer Josef | 14 |
| #2 | Carl Metz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE888210C | Portable pump, in particular for fire extinguishing purposes | |
| GB336042A | Improved portable and erectile ladder with mechanical adjusting device |