Inventor · Cincinnati, OH, US

John V. Mariol

40Patents
23h-index
7Co-inventors
74Inventor score

Filing activity: Oct 20, 1986 → Sep 25, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US5553336A Playyard and bassinet combination Human Necessities 93 Expired
US5867850A Bassinet Human Necessities 77 Expired
US4856809A Collapsible stroller with stowable tray Performing Operations; Transporting 61 Expired
USD313075S Baby feeding bottle General 57 Expired
US4822033A Baby swing support assembly Human Necessities 53 Expired
US5187826A Convertible cradle Human Necessities 50 Expired
US4985948A Foldable playyard Mechanical Engineering; Lighting; Heating 49 Expired
US5489138A Height adjustable high chair Human Necessities 49 Expired
US5867851A Play yard Human Necessities 46 Expired
USD366978S Removable playyard canopy General 41 Expired
US4934025A Hinge for a center fold play yard Emerging Cross-Sectional Technologies 41 Expired
US5516190A Handle for infant car seat Human Necessities 41 Expired
USD312878S Feeding bottle for baby General 38 Expired
US4688280A Foldable playpen assembly with ease of portability Human Necessities 38 Expired
USD382718S Combined playyard and toy bag General 35 Expired
US5409292A Handle for infant car seat Human Necessities 33 Expired
US5826285A Play yard Emerging Cross-Sectional Technologies 33 Expired
USD308575S Baby nursing bottle General 29 Expired
US6250837A Rail joint Emerging Cross-Sectional Technologies 27 Expired
USD327175S Article useful as booster chair and as step stool General 26 Expired
USD337894S Cradle General 26 Expired
US4818016A Hook-on type baby chair Emerging Cross-Sectional Technologies 26 Expired
USD323589S Foldable playpen or similar article General 24 Expired
USD356689S Child's multi-level booster seat General 22 Expired
US4968091A Article useful as booster chair and as step stool Human Necessities 19 Expired

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