Inventor · Caracas, VE

Roberto Schemel

3Patents
3h-index
2Co-inventors
33Inventor score

Filing activity: Mar 15, 1984 → Sep 9, 1985

Most-cited inventions

PatentTitleAreaCited byStatus
US4678557A Process for the regeneration of spent catalyst used in the upgrading of heavy hydrocarbon feedstocks Performing Operations; Transporting 29 Expired
US4539186A Method for leaching and recovering vanadium from vanadium bearing by-product materials Emerging Cross-Sectional Technologies 7 Expired
US4548792A Method for precipitating vanadium from vanadium bearing liquors and recovering vanadium pentoxide Chemistry; Metallurgy 4 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.