Inventor · Irvine, CA, US

Robert E. Kesting

17Patents
12h-index
13Co-inventors
75Inventor score

Filing activity: Oct 2, 1972 → Dec 18, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US3957651A Microporous polyester membranes and polymer assisted phase inversion process for their manufacture Performing Operations; Transporting 77 Expired
US4880441A Asymmetric gas separation membranes having graded density skins Emerging Cross-Sectional Technologies 55 Expired
US4280970A Polyoxyethylene grafted membrane materials with grafting links derived from a diisocyanate Emerging Cross-Sectional Technologies 45 Expired
US3945926A Integral microporous high void volume polycarbonate membranes and a dry process for forming same Chemistry; Metallurgy 37 Expired
US4035459A Process for spinning dry-fiber cellulose acetate hollow fiber membranes Emerging Cross-Sectional Technologies 28 Expired
US5480554A Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same Physics 28 Expired
US4048271A Dry process for forming polycarbonate membranes Chemistry; Metallurgy 22 Expired
US4871494A Process for forming asymmetric gas separation membranes having graded density skins Performing Operations; Transporting 22 Expired
US5958989A Highly asymmetric ultrafiltration membranes Emerging Cross-Sectional Technologies 20 Expired
US4333972A Highly anisotropic membranes Performing Operations; Transporting 14 Expired
US4450126A High strength nylon blend membranes Chemistry; Metallurgy 13 Expired
US4219517A Process for spinning dense hollow fiber cellulosic membrane Emerging Cross-Sectional Technologies 12 Expired
US5928774A Highly asymmetric ultrafiltration membranes Emerging Cross-Sectional Technologies 12 Expired
US5685991A Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same Physics 10 Expired
US4477598A High strength nylon blend membranes Chemistry; Metallurgy 7 Expired
US4220477A Flexible microporous cellulosic membranes and methods of formation and use thereof Performing Operations; Transporting 4 Expired
US4035457A Nonbiodegradable polymers Chemistry; Metallurgy 4 Expired

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