Inventor · Hellemmes, FR

Gerard Marchal

3Patents
2h-index
4Co-inventors
27Inventor score

Filing activity: Apr 11, 1977 → Mar 29, 1978

Most-cited inventions

PatentTitleAreaCited byStatus
US4209079A Lubricating system for bearing shoes Mechanical Engineering; Lighting; Heating 135 Expired
US4108410A Support device for a cylindrical rotary member Mechanical Engineering; Lighting; Heating 3 Expired
US4188077A Thrust bearing for taking up axial thrust of a rotating cylinder Mechanical Engineering; Lighting; Heating 1 Expired

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