Inventor · Aachen, DE

Ernst D. Neumann

3Patents
3h-index
2Co-inventors
33Inventor score

Filing activity: Apr 1, 1981 → Jun 11, 1982

Most-cited inventions

PatentTitleAreaCited byStatus
US4434934A System for heating the operators cabin of a machine powered by an internal combustion engine Mechanical Engineering; Lighting; Heating 31 Expired
US4407449A System for heating the service cabin of a machine operated by an internal cumbustion engine Mechanical Engineering; Lighting; Heating 16 Expired
US4420114A Liquid heating system Physics 10 Expired

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