Inventor · Little Canada, MN, US

Margarita Kharshan

26Patents
9h-index
29Co-inventors
75Inventor score

Filing activity: Jan 24, 1995 → Jan 4, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US5597514A Corrosion inhibitor for reducing corrosion in metallic concrete reinforcements Chemistry; Metallurgy 38 Expired
US7125441B1 Corrosion inhibiting materials for reducing corrosion in metallic concrete reinforcements Chemistry; Metallurgy 24 Expired
US5750053A Corrosion inhibitor for reducing corrosion in metallic concrete reinforcements Chemistry; Metallurgy 21 Expired
US6800594B2 Corrosion inhibitor barrier for ferrous and non-ferrous metals Chemistry; Metallurgy 16 Expired
US6174461A Concrete sealers with migrating corrosion inhibitors Chemistry; Metallurgy 15 Expired
US7014694B1 Oil-based additive for corrosion inhibitors Chemistry; Metallurgy 12 Expired
US6054512A Corrosion inhibiting thermoplastic alloys Chemistry; Metallurgy 12 Expired
US5854145A Corrosion inhibitor solution applicator Emerging Cross-Sectional Technologies 11 Expired
US6306210A Corrosion inhibitor container Chemistry; Metallurgy 10 Expired
US7541089B1 Composition and method for preserving posttensioning cables in metal reinforced concrete structures Emerging Cross-Sectional Technologies 9 Active
US7588820B2 Nano-particle corrosion inhibiting films Emerging Cross-Sectional Technologies 9 Active
US6085905A Water-soluble containers for water cooling towers and boilers Chemistry; Metallurgy 8 Expired
US7241391B1 Biodegradable scale and corrosion inhibitor composition Chemistry; Metallurgy 7 Expired
US7264707B1 Corrosion inhibitor materials for use in combination with cathodic protectors in metallic structures Chemistry; Metallurgy 6 Expired
US9435037B2 Method for treating elongate metal tension member with volatile corrosion inhibitors Fixed Constructions 5 Active
US6280528A Water soluble containers for blends of surface cleaners and corrosion inhibitors Chemistry; Metallurgy 5 Expired
US9518328B1 Corrosion inhibiting gel Chemistry; Metallurgy 5 Active
US8440095B1 Anti-corrosive corn extracts Chemistry; Metallurgy 4 Active
US8409340B1 Bio-based corrosion inhibitors Chemistry; Metallurgy 4 Active
US8795589B1 Bio-based volatile corrosion inhibitors Chemistry; Metallurgy 3 Active
US8603603B2 Corrosion inhibiting systems Emerging Cross-Sectional Technologies 2 Active
US8800224B1 Corrosion inhibiting vapor for use in connection with encased articles Fixed Constructions 2 Active
US6695897B1 Corrosion resistant system for performance drilling fluids utilizing formate brine Emerging Cross-Sectional Technologies 2 Expired
US8790457B1 Bio-based corrosion inhibitors Chemistry; Metallurgy 1 Active
US7892601B1 Corrosion inhibiting powders and processes employing powders Chemistry; Metallurgy 1 Active

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