Inventor · Berlin, DE

Rudolf Ehwald

15Patents
5h-index
20Co-inventors
62Inventor score

Filing activity: Jul 7, 1997 → Nov 16, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US7335286B2 Immersion sensor for measuring the concentration of an analyte with the help of an oxidase Chemistry; Metallurgy 106 Expired
US6210326A Microsensor for determination of glucose and other analysis in liquids based on affinity viscosimetry Emerging Cross-Sectional Technologies 76 Expired
US7461671B2 Automatic sample collector Physics 43 Expired
US6267002A Process for affinity viscosimetry and viscosimetric affinity sensor Physics 29 Expired
US6477891B2 Process for affinity viscosimetry and viscosimetric affinity sensor Physics 23 Expired
US6938463B2 Method for affinity viscosimetry and viscosimetric sensor Emerging Cross-Sectional Technologies 4 Expired
US6833061B1 Methods for isoelectric particle separation Physics 3 Expired
US8017314B2 Immersion sensor for measuring the concentration of an analyte with the help of an oxidase Chemistry; Metallurgy 3 Active
US7008398B2 Micro-dialysis probe Human Necessities 2 Expired
US9200244B2 Method for culturing photoautotrophic microorganisms for the production of biomass Chemistry; Metallurgy 1 Active
US7284413B2 Method and apparatus for measuring viscosity Physics 1 Expired
US7976535B2 Method for control of the volume flux of a liquid in an osmotic micropump and osmotic micropump Performing Operations; Transporting 1 Active
US7892857B2 Assay by osmotically induced separation and concentration of high-molecular detectable substances and a fluid microsystem for carrying out said assay Emerging Cross-Sectional Technologies 0 Active
US8235936B2 Micro-dialysis probe Human Necessities 0 Active
US7918818B2 Micro-dialysis probe Human Necessities 0 Active

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