Inventor · Aachen, DE

Stefan Esser

8Patents
4h-index
13Co-inventors
54Inventor score

Filing activity: Jul 21, 1989 → Feb 24, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6869334B1 Process for producing a hard-material-coated component Chemistry; Metallurgy 16 Expired
US5272014A Wear-resistant coating for substrate and method for applying Emerging Cross-Sectional Technologies 15 Expired
US6352627B2 Method and device for PVD coating Electricity 8 Expired
US7588640B2 Workpiece carrier device Emerging Cross-Sectional Technologies 4 Active
US10811239B2 Cylindrical evaporation source Electricity 1 Active
US8596626B2 Workpiece carrier device Mechanical Engineering; Lighting; Heating 1 Active
US9728382B2 Evaporation source Electricity 0 Active
US8783673B2 Workpiece carrier device Mechanical Engineering; Lighting; Heating 0 Active

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