Inventor · Frankfurt am Main, DE

Willi Schaper

1Patents
1h-index
4Co-inventors
25Inventor score

Filing activity: Apr 25, 1991 → Apr 25, 1991

Most-cited inventions

PatentTitleAreaCited byStatus
US5154830A Process of removing phosphorus and suspended matter from waste water Emerging Cross-Sectional Technologies 5 Expired

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