Inventor · Florissant, MO, US

Lance G. Hellwig

10Patents
8h-index
7Co-inventors
61Inventor score

Filing activity: Apr 18, 1995 → Sep 14, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US5518549A Susceptor and baffle therefor Electricity 536 Expired
US5789309A Method and system for monocrystalline epitaxial deposition Emerging Cross-Sectional Technologies 25 Expired
US5843234A Method and apparatus for aiming a barrel reactor nozzle Chemistry; Metallurgy 20 Expired
US5792273A Secondary edge reflector for horizontal reactor Chemistry; Metallurgy 14 Expired
US7878562B2 Semiconductor wafer carrier blade Emerging Cross-Sectional Technologies 11 Active
US7462246B2 Modified susceptor for barrel reactor Emerging Cross-Sectional Technologies 9 Expired
US8042697B2 Low thermal mass semiconductor wafer support Electricity 8 Active
US8404049B2 Epitaxial barrel susceptor having improved thickness uniformity Chemistry; Metallurgy 8 Active
US8220647B2 Low thermal mass semiconductor wafer boat Electricity 2 Active
US8220646B2 Low thermal mass semiconductor wafer plate Electricity 1 Active

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