Inventor · Helsinge, DK

Johnny Marcher

4Patents
3h-index
2Co-inventors
44Inventor score

Filing activity: Aug 30, 2001 → Apr 20, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6696132B2 Honeycomb with varying channel size and die for manufacturing Emerging Cross-Sectional Technologies 50 Expired
US6843822B2 Filter with varying cell channels Emerging Cross-Sectional Technologies 40 Expired
US6570119B2 Method of making extrusion die with varying pin size Performing Operations; Transporting 9 Expired
US12220668B2 High-flux silicon carbide ceramic filter membrane and preparation method thereof Chemistry; Metallurgy 0 Active

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