Inventor · Cleveland, OH, US

David A. Pierman

3Patents
2h-index
5Co-inventors
41Inventor score

Filing activity: Oct 8, 1987 → Sep 13, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US4857395A Graphite composites and process for the manufacture thereof Emerging Cross-Sectional Technologies 9 Expired
US4923578A Graphite composites and process for the manufacture thereof Chemistry; Metallurgy 4 Expired
US8727627B2 Apparatus and method for controlled release of lubricant additives in bearing and gear assemblies Emerging Cross-Sectional Technologies 0 Active

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