Inventor · Fort Mill, SC, US

Michael A. Mitchell

56Patents
21h-index
62Co-inventors
91Inventor score

Filing activity: Mar 17, 1993 → Apr 17, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6239230A Surface-treated superabsorbent polymer particles Chemistry; Metallurgy 87 Expired
US6222091A Multicomponent superabsorbent gel particles Emerging Cross-Sectional Technologies 85 Expired
US6159591A Multicomponent superabsorbent gel particles Emerging Cross-Sectional Technologies 67 Expired
US6392116B1 Diapers having improved acquisition rates Emerging Cross-Sectional Technologies 60 Expired
US5453701A Bare die test and burn-in device Physics 54 Expired
US6623576B2 Continuous manufacture of superabsorbent/ion exchange sheet material Chemistry; Metallurgy 53 Expired
US6376072B2 Multicomponent superabsorbent fibers Emerging Cross-Sectional Technologies 48 Expired
US6072101A Multicomponent superabsorbent gel particles Emerging Cross-Sectional Technologies 45 Expired
US5710187A Highly cross-linked nanoporous polymers Emerging Cross-Sectional Technologies 42 Expired
US6376618B1 Surface-treated superabsorbent polymer particles Chemistry; Metallurgy 42 Expired
US6235965A Multicomponent superabsorbent gel particles Emerging Cross-Sectional Technologies 39 Expired
US6391451B1 Surface-treated superabsorbent polymer particles Emerging Cross-Sectional Technologies 31 Expired
US6121409A Poly(vinylamine)-based superabsorbent gels and method of manufacturing the same Chemistry; Metallurgy 28 Expired
US6342298B1 Multicomponent superabsorbent fibers Emerging Cross-Sectional Technologies 27 Expired
US5981689A Poly(vinylamine)-based superabsorbent gels and method of manufacturing the same Chemistry; Metallurgy 27 Expired
US6803107B2 Surface-treated superabsorbent polymer particles Emerging Cross-Sectional Technologies 25 Expired
US7213285B2 Pivotal and vertically translatable dock leveler lip Performing Operations; Transporting 25 Expired
US7396584B2 Crosslinked polyamine coating on superabsorbent hydrogels Emerging Cross-Sectional Technologies 24 Expired
US6087448A Solid superabsorbent material containing a poly(vinylguanidine) and an acidic water-absorbing resin Chemistry; Metallurgy 24 Expired
US5629353A Highly cross-linked nanoporous polymers Emerging Cross-Sectional Technologies 22 Expired
US6194631A Poly (vinylamine)-based superabsorbent gels and method of manufacturing the same Chemistry; Metallurgy 22 Expired
US6555502B1 Multicomponent superabsorbent gel particles Emerging Cross-Sectional Technologies 19 Expired
US5962578A Poly(dialkylaminoalkyl (meth)acrylamide)-based superabsorbent gels Emerging Cross-Sectional Technologies 19 Expired
US6509512B1 Multicomponent superabsorbent gel particles Emerging Cross-Sectional Technologies 19 Expired
US7363670B2 Formed front header for a dock leveler Performing Operations; Transporting 17 Expired

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