Search patents and evaluate the most promising one with invention screening spreadsheet on course webpage. Describe your rationale for each number put into this spreadsheet. Solution solution: out of most promising patents i found Seawater Desalination System most promising among all it was basically an access to provide fresh water for human population . as we know that atleast 2/3rd of this earth is covered by water still there are harsh conditions of humans to full fill their water needs in this regard this invention made by toshiba solved this problem to a great extent.