Inventor · Grafing, DE

Erich Richartz

4Patents
3h-index
7Co-inventors
43Inventor score

Filing activity: Oct 25, 1988 → Jul 22, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US4953379A Hot-rolled steel bar with helically extending ribs, method of and apparatus for producing the steel bar Performing Operations; Transporting 9 Expired
US6322281A Corrosion-protected tension member of steel Emerging Cross-Sectional Technologies 5 Expired
US5707181A Method of producing an intended breaking point in a tension member for a soil anchor Emerging Cross-Sectional Technologies 5 Expired
US4923528A Method for manufacturing rolled steel products Chemistry; Metallurgy 0 Expired

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