| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Spain | 2 | |
| #5 | Austria | 1 | |
| #6 | Canada | 1 | |
| #7 | Denmark | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Rotary-pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thomann Karl | 13 |
| #2 | Leuscher Wilhelm | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US645437A | Rotary engine. | |
| GB189819305A | Improvements in Rotary Engines. | |
| GB189803488A | Improvements in or relating to Roofing Tiles, and Apparatus for making the same. | |
| GB189420680A | Improvements in and relating to Cycle-saddles. | |
| CA46150A | Roofing tile |