Inventor · Bochum, DE

Willi Heyer

1Patents
1h-index
5Co-inventors
25Inventor score

Filing activity: Mar 22, 1978 → Mar 22, 1978

Most-cited inventions

PatentTitleAreaCited byStatus
US4169689A Tensioning a longwall mineral mining installation Fixed Constructions 7 Expired

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