Inventor · Cincinnati, OH, US

Michael Donovan Mitchell

22Patents
10h-index
23Co-inventors
75Inventor score

Filing activity: Jul 23, 1992 → Jun 7, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US7740765B2 Methods for treating water Chemistry; Metallurgy 39 Active
US7850859B2 Water treating methods Emerging Cross-Sectional Technologies 25 Active
US7614506B2 Water filter materials and water filters and processes for using the same Chemistry; Metallurgy 19 Expired
US7922008B2 Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles Chemistry; Metallurgy 16 Active
US7614508B2 Water filter materials, water filters and kits containing silver coated particles and processes for using the same Emerging Cross-Sectional Technologies 15 Expired
US7712613B2 Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles Chemistry; Metallurgy 13 Active
US6827854B2 Filters and filter materials for the removal of microorganisms and processes for using the same Chemistry; Metallurgy 13 Expired
US8119012B2 Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles Chemistry; Metallurgy 13 Active
US6733827B2 Processes for manufacturing particles coated with activated lignosulfonate Chemistry; Metallurgy 12 Expired
US7614507B2 Water filter materials, water filters and kits containing particles coated with cationic polymer and processes for using the same Chemistry; Metallurgy 11 Expired
US7048842B2 Electrolysis cell for generating chlorine dioxide Emerging Cross-Sectional Technologies 10 Expired
US7316323B2 Filters having improved permeability and virus removal capabilities Chemistry; Metallurgy 8 Expired
US7896168B2 Filters having improved permeability and virus removal capabilities Chemistry; Metallurgy 7 Active
US7537695B2 Water filter incorporating activated carbon particles with surface-grown carbon nanofilaments Chemistry; Metallurgy 7 Active
US5226733A Non-linear signal gain compression and sampling Physics 5 Expired
US10336629B2 Gravity filter Chemistry; Metallurgy 4 Active
US7740766B2 Methods for treating water Chemistry; Metallurgy 3 Active
US7186441B2 Processes for manufacturing particles coated with activated lignosulfonate Chemistry; Metallurgy 3 Expired
US8197790B2 Method of making a filter material including activated carbon particles having carbon nanofilaments Chemistry; Metallurgy 3 Active
US9994461B2 Gravity filter Chemistry; Metallurgy 2 Active
US7749394B2 Methods of treating water Emerging Cross-Sectional Technologies 2 Active
US8333873B2 Apparatus for electrolyzing an electrolytic solution Emerging Cross-Sectional Technologies 1 Active

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