| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | United States | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | Belgium | 1 | |
| #5 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Electrical machinery and energy | |
| #4 | Environmental technology | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Motor vehicles | |
| #3 | Climate change mitigation in transportation | |
| #4 | Hand carts | |
| #5 | Dynamo-electric machines | |
| #6 | Vehicle transmission mounting | |
| #7 | Gearing | |
| #8 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Braune Rudi Helmut | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US4031779A | Rotary drives | |
| US4037678A | Vehicle chassis structure | |
| US3865393A | Road adjusted wheelbarrow chassis | |
| GB1215151A | Improvements in or relating to battery driven vehicles | |
| GB1215692A | Improvements in battery operated portable power plants |