| Year |
Jufo/ SchüEx |
Title and Authors | Awards | ||
| Regional | State | National | |||
|
2015 |
SchüEx Engineering |
Energy Efficient Vacuum Cleaner 2.0
Hans-Herbert Hornstein, Matthias Justen, David Frohnau |
SA Daimler AG | ||
| Regional Champion |
| State Prize Winner |
| State Champion |
| National Prize Winner |
| National Champion |
| Other Contests |
 |
Matthias Justen, David Frohnau and Hans-Herbert Hornstein with their efficient vacuum cleaner |
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