Inventor · Columbus Grove, OH, US

Karl Schroeder

9Patents
2h-index
21Co-inventors
51Inventor score

Filing activity: Nov 6, 1998 → Oct 23, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6227125A Coach body of railway vehicle Emerging Cross-Sectional Technologies 36 Expired
US6146432A Pressure gradient passivation of carbonaceous material normally susceptible to spontaneous combustion Chemistry; Metallurgy 15 Expired
US7514033B1 Molten metal level burner output control for aluminum melt furnace Emerging Cross-Sectional Technologies 2 Active
US9127620B2 Methods and systems for marking a cylinder head Emerging Cross-Sectional Technologies 0 Active
US9744590B2 Apparatus for injecting molten metal into a die cast machine and methods and control systems for cooling the same Performing Operations; Transporting 0 Active
US9470457B2 Melt furnace, melt furnace control systems, and method of controlling a melt furnace Mechanical Engineering; Lighting; Heating 0 Active
US11180422B2 Vacuum pressure transformation vessel and method of use Chemistry; Metallurgy 0 Active
US8783442B2 Melting furnace system Mechanical Engineering; Lighting; Heating 0 Active
US9109531B2 Method for testing casting quality and apparatus therefor Mechanical Engineering; Lighting; Heating 0 Active

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