Inventor · Hanau, DE

Michael Schiffer

14Patents
4h-index
26Co-inventors
60Inventor score

Filing activity: Aug 21, 1991 → Aug 11, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US5195978A Rapid exchange over-the-wire catheter with breakaway feature Human Necessities 183 Expired
US5282478A Guidewire extension system with coil connectors Emerging Cross-Sectional Technologies 96 Expired
US8057768B2 Device for the purification of diesel exhaust gases Emerging Cross-Sectional Technologies 8 Active
US10443463B2 Catalyst system for reducing nitrogen oxides Emerging Cross-Sectional Technologies 8 Active
US8431186B2 Method for the coating of a diesel particle filter and diesel particle filter produced thereby Mechanical Engineering; Lighting; Heating 4 Active
US11052378B2 Diesel oxidizing catalytic converter Mechanical Engineering; Lighting; Heating 4 Active
US10767528B2 Three-zone diesel oxidation catlayst Mechanical Engineering; Lighting; Heating 4 Active
US9527036B2 Catalyst system for treating NOx- and particle-containing diesel exhaust gas Emerging Cross-Sectional Technologies 3 Active
US9492787B2 Method for preventing the contamination by platinum of an SCR catalyst Emerging Cross-Sectional Technologies 3 Active
US10035134B2 Coating suspension Mechanical Engineering; Lighting; Heating 2 Active
US8932546B2 Catalytically active particulate filter and use thereof Emerging Cross-Sectional Technologies 2 Active
US9346019B2 Coated diesel particle filter Emerging Cross-Sectional Technologies 1 Active
US9506831B2 Micromechanical measuring element and method for producing a micromechanical measuring element Electricity 0 Active
US10989089B2 Particle filter having SCR-active coating Emerging Cross-Sectional Technologies 0 Active

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