Inventor · Witten, DE

Siegfried Grone

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

Filing activity: Mar 7, 1977 → Jul 17, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US4084419A Method for manufacturing annular metal workpieces Performing Operations; Transporting 9 Expired
US6103159A Method for preventing material to be briquetted from sticking to a roll surface Performing Operations; Transporting 6 Expired
US4611751A Method and apparatus for the manufacture of cylindrical hollow bodies Performing Operations; Transporting 1 Expired

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