Inventor · Herzogenrath, DE

Norbert Schwarzenberg

7Patents
5h-index
13Co-inventors
52Inventor score

Filing activity: Mar 25, 1980 → Sep 14, 1987

Most-cited inventions

PatentTitleAreaCited byStatus
US4802903A Method and apparatus for curving a glass sheet Chemistry; Metallurgy 26 Expired
US4682997A Process and apparatus for bending glass plates in a horizontal position Chemistry; Metallurgy 19 Expired
US4738704A Method for bending laminated glass sheets Chemistry; Metallurgy 15 Expired
US4392404A Cutting head for glass cutting machine Emerging Cross-Sectional Technologies 13 Expired
US4557745A Bending of glass sheets on a shaping bed consisting of rotating elements Chemistry; Metallurgy 10 Expired
US4493724A Apparatus for bending glass sheets Chemistry; Metallurgy 3 Expired
US4260347A Apparatus for producing spacer frames for insulating glass window structures Emerging Cross-Sectional Technologies 2 Expired

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