RF

Rudolf Frey

VA Von Roll Umwelttechnik Ag: 3 patents #2 of 37Top 6%
VR Von Roll: 1 patents #12 of 48Top 25%
📍 Burgdorf, DE: #19 of 115 inventorsTop 20%
Overall (All Time): #884,120 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6315314 Frame structure for a double-axle polycycle for several occupants 2001-11-13
6290752 Device and process for adsorption or chemisorption of gaseous constituents from a gas flow Felix Koller, Rainer Flury 2001-09-18
6117405 Process for removing nitrogen oxides from flue gases Felix Koller 2000-09-12
5512257 Process for the treatment of flue particulates 1996-04-30
5367116 Process for the disposal of flue gas residues 1994-11-22
4432666 Process for the storage and dumping of waste materials Peer-Ingo Litschke 1984-02-21