Inventor · Cologne, DE

Peter Speich

3Patents
3h-index
6Co-inventors
36Inventor score

Filing activity: Feb 15, 1974 → Sep 28, 1977

Most-cited inventions

PatentTitleAreaCited byStatus
US4134794A Method for producing non-abrasive coke forms from brown-coal briquets Chemistry; Metallurgy 13 Expired
US4115202A Apparatus for producing non-abrasive coke forms from brown-coal briquets Chemistry; Metallurgy 11 Expired
US3954444A Process for the direct reduction of iron ores Emerging Cross-Sectional Technologies 7 Expired

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