Inventor · Painesville, OH, US

John E. Silvis

8Patents
7h-index
6Co-inventors
52Inventor score

Filing activity: Oct 19, 1981 → Sep 17, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US5123889A Downsized cushioning dunnage conversion machine and cutting assemblies for use on such a machine Emerging Cross-Sectional Technologies 121 Expired
US4968291A Stitching gear assembly having perforating projections thereon, for use in converter adapted to produce pad-like cushioning material, and method Performing Operations; Transporting 109 Expired
US5322477A Downsized cushioning dunnage conversion machine and packaging systems employing the same Emerging Cross-Sectional Technologies 88 Expired
US4937131A Cushioning dunnage pad with stitching perforations Emerging Cross-Sectional Technologies 74 Expired
US5468208A Downsized cushioning dunnage conversion machine and packaging systems employing the same Emerging Cross-Sectional Technologies 23 Expired
US5658229A Downsized cushioning dumnage conversion machine and cutting assemblies for use on such a machine Emerging Cross-Sectional Technologies 13 Expired
US6077209A Downsized cushioning dunnage conversion machine and cutting assemblies for use on such a machine Emerging Cross-Sectional Technologies 7 Expired
US4460167A Leaf spring end mounting structure Emerging Cross-Sectional Technologies 4 Expired

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