Inventor · Leutenbach, DE

Helmut Proefrock

2Patents
2h-index
10Co-inventors
31Inventor score

Filing activity: Aug 3, 1998 → Aug 3, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US6221504A Coating consisting of hypereutectic aluminum/silicon alloy and/or an aluminum/silicon composite material Emerging Cross-Sectional Technologies 15 Expired
US6080360A Coating for a cylinder of a reciprocating engine Chemistry; Metallurgy 4 Expired

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