| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | Germany | 4 | |
| #3 | Switzerland | 3 | |
| #4 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Internal-combustion piston engines | |
| #3 | Machines | |
| #4 | Cooling of machines | |
| #5 | Climate change mitigation in transportation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Proprietary Limited Crankless | 3 |
| Publication | Filing date | Title |
|---|---|---|
| DE543509C | Gear with rotating swash plate | |
| DE541337C | Guide for tandem pistons | |
| DE558015C | Exhaust gas centrifugal blower for internal combustion engines with working cylinders arranged parallel to the machine shaft and around them, each with two opposing pistons | |
| DE515078C | Slide shoe guide on swash plate drives |