Inventor · Richterswil, CH

Ralph Heller

4Patents
2h-index
4Co-inventors
41Inventor score

Filing activity: May 29, 1981 → Jul 29, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US4383693A Seals for ducts Mechanical Engineering; Lighting; Heating 8 Expired
US9414493B2 Assembly of printed circuit boards Emerging Cross-Sectional Technologies 2 Active
US10321580B2 Integrated circuit package assembly comprising a stack of slanted integrated circuit packages Electricity 1 Active
US9832874B2 Method of forming a printed circuit board assembly Emerging Cross-Sectional Technologies 1 Active

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