Inventor
KROLL RUDOLF
6 patents
Patents
6 patentsUS4059095ANov 22, 1977
Device for utilizing the heat energy of solar radiation
VOLKSWAGENWERK AG45 citations90
US4326500AApr 27, 1982
Solar radiation collector
VOLKSWAGENWERK AG11 citations71
US4296732AOct 27, 1981
Solar radiation collector
VOLKSWAGENWERK AG9 citations71
US4190038AFeb 26, 1980
Solar heater
VOLKSWAGENWERK AG9 citations71
US4143644AMar 13, 1979
Apparatus for producing useful heat from solar radiation
VOLKSWAGENWERK AG15 citations71
US4135492AJan 23, 1979
Manifold arrangement
VOLKSWAGENWERK AG11 citations71