Inventor · Dresden, DE

Stefan Geyer

12Patents
4h-index
12Co-inventors
57Inventor score

Filing activity: Sep 24, 1987 → Aug 21, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US7091062B2 Wafer level packages for chips with sawn edge protection Electricity 45 Expired
US4946695A Process for the extraction of nonpolar constituents from plant material Chemistry; Metallurgy 10 Expired
US4842878A Process for the extraction of nonpolar constituents of hops Chemistry; Metallurgy 4 Expired
US6250141A Scanning device Electricity 4 Expired
US6472130B1 Solution of tetramethylammonium hydroxide in water and a process for preparing the solution Physics 3 Expired
US6854484B2 Valve for a slurry outlet opening of a chemical mechanical polishing device and chemical mechanical polishing device having a valve Emerging Cross-Sectional Technologies 2 Expired
US6911059B2 Abrasive pad and process for the wet-chemical grinding of a substrate surface Performing Operations; Transporting 1 Expired
US6050125A Calibrating wafer and method for the production of a calibrating wafer Physics 1 Expired
US8245565B2 Slurry transport and storage system Physics 1 Active
US7858138B2 Method for decaffeinating tea Human Necessities 1 Active
US8557185B2 Pressure vessel arrangement comprising an external pressure vessel and at least one insert basket Chemistry; Metallurgy 0 Active
US7344807B2 Gassing-free exposure mask Physics 0 Expired

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