Inventor · Monclova, OH, US

Stephen H. Verhoff

6Patents
5h-index
5Co-inventors
52Inventor score

Filing activity: Sep 4, 1987 → Apr 14, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US6991687B2 Vacuum carburizing with napthene hydrocarbons Chemistry; Metallurgy 11 Expired
US7033446B2 Vacuum carburizing with unsaturated aromatic hydrocarbons Chemistry; Metallurgy 11 Expired
US4853046A Ion carburizing Chemistry; Metallurgy 11 Expired
US5127967A Ion carburizing Chemistry; Metallurgy 10 Expired
US7267793B2 Furnace for vacuum carburizing with unsaturated aromatic hydrocarbons Chemistry; Metallurgy 6 Expired
US7204952B1 Vacuum furnace for carburizing with hydrocarbons Chemistry; Metallurgy 5 Expired

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