Inventor · Schongau, DE

Johann Leist

9Patents
6h-index
12Co-inventors
56Inventor score

Filing activity: Dec 18, 1998 → Jun 18, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US6306489A Quartz glass component for a reactor housing a method of manufacturing same and use thereof Emerging Cross-Sectional Technologies 41 Expired
US6548131B1 Quartz glass crucible and process for the manufacture of the crucible Emerging Cross-Sectional Technologies 29 Expired
US6380110B1 Process for making opaque quartz, for carrying out the process suitable SiO2 granulate, and component of opaque quartz glass Chemistry; Metallurgy 23 Expired
US6660671B2 Method of producing a composite material having a high SiO2 content, composite material obtained according to the method, and permanent mold made thereof Emerging Cross-Sectional Technologies 16 Expired
US6672107B2 Quartz glass crucible and process for the production thereof Emerging Cross-Sectional Technologies 13 Expired
US6684664B2 Process for manufacture of a component made of opaque synthetic quartz glass Emerging Cross-Sectional Technologies 10 Expired
US6381987B1 Process for making opaque quartz glass and opaque component made according to the process Chemistry; Metallurgy 4 Expired
US7350378B2 Method for producing rotationally symmetrical quartz glass crucibles Chemistry; Metallurgy 4 Expired
US8408027B2 Method for the production of a composite body from a basic body of opaque quartz glass and a tight sealing layer Chemistry; Metallurgy 0 Active

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