Archived challenges
These are the challenges that have expired or been solved.
7 500.00 EUR
For the separation of inorganic and organic matters
Submission deadline: Aug 6, 2017
4 000.00 EUR
Smart Trays
Submission deadline: Jun 10, 2017
12 000.00 EUR
Water and Oil repellent
Submission deadline: Apr 16, 2017
10 000.00 EUR
Reducing Noise Pollution From Train Stations
Submission deadline: Jul 21, 2014
6 000.00 EUR
Lead Acid Battery Charge Estimation
Submission deadline: Jun 16, 2014
7 000.00 EUR
Use for Distillation Bottoms Product
Submission deadline: May 1, 2014
10 000.00 EUR
New Packaging Solution for Flat-pack Furniture
Submission deadline: Apr 10, 2014
2 000.00 EUR
Reducing Piano Sound in Residential Buildings
Submission deadline: Mar 9, 2014
30 000.00 EUR
Preserving Crunchiness in an Aqueous Base
Submission deadline: Jan 19, 2014
5 000.00 EUR
Transparent lid for water bottle
Submission deadline: Jan 15, 2014
