Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Method and system for maintaining a vertically varying concentration in a liquid solution and for converting bodies of water into efficient solar collectors
Behaelter fuer Geraete zur Reinigung, insbesondere zur Entfettung von Gegenstaenden mittels an den Oberflaechen dieser Gegenstaende sich kondensierenden Dampfes eines fluessigen Reinigungsmittels