Inventor · Elmhurst, IL, US

Robert S. Lund

6Patents
3h-index
1Co-inventors
43Inventor score

Filing activity: Feb 3, 1975 → Oct 30, 1985

Most-cited inventions

PatentTitleAreaCited byStatus
US3955613A Foundry mold conveyor system Performing Operations; Transporting 34 Expired
USRE28735E Cyclicly-operable machine adapted to produce and assemble cope and drag mold parts General 4 Expired
US4460032A Method and apparatus for blowing cores etc. using a plunger-cleaned blow box suitable for quick-set sand Performing Operations; Transporting 4 Expired
US4570694A Mold-blowing apparatus Performing Operations; Transporting 3 Expired
US4643240A Method of blowing cores etc. using quick-set sand, and improved mold-blowing apparatus Performing Operations; Transporting 2 Expired
USRE29387E Apparatus for the continuous mixing of granular materials General 2 Expired

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