Inventor · Yonkers, NY, US

Robert Feldstein

45Patents
25h-index
22Co-inventors
85Inventor score

Filing activity: Nov 16, 1977 → Jun 6, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US5352461A Self assembling diketopiperazine drug delivery system Human Necessities 286 Expired
US6071497A Microparticles for lung delivery comprising diketopiperazine Human Necessities 206 Expired
US7305986B1 Unit dose capsules for use in a dry powder inhaler Human Necessities 118 Expired
US6428771B1 Method for drug delivery to the pulmonary system Human Necessities 114 Expired
US6638413B1 Methods and apparatus for electrolysis of water Emerging Cross-Sectional Technologies 86 Expired
US6440463B1 Methods for fine powder formation Human Necessities 83 Expired
US7464706B2 Unit dose cartridge and dry powder inhaler Human Necessities 80 Expired
US5629601A Compound battery charging system Emerging Cross-Sectional Technologies 77 Expired
US5197490A Information processing system for counting coughs or evaluating other activities of a patient Human Necessities 66 Expired
US6991779B2 Compositions for treatment or prevention of bioterrorism Human Necessities 56 Expired
US8156936B2 Unit dose capsules and dry powder inhaler Human Necessities 53 Active
US8671937B2 Unit dose capsules and dry powder inhaler Human Necessities 49 Active
US6959599B2 Level detector for storage tanks for fluids Physics 48 Expired
US8215300B2 Unit dose cartridge and dry powder inhaler Human Necessities 48 Active
US8146588B2 Unit dose capsules and dry powder inhaler Human Necessities 45 Active
US7452449B2 Apparatus for electrolysis of water Emerging Cross-Sectional Technologies 45 Expired
US8394414B2 Method for drug delivery to the pulmonary system Human Necessities 44 Expired
US7278843B2 Methods for fine powder formation Human Necessities 39 Expired
US7794754B2 Methods for fine powder formation Human Necessities 38 Active
US5291116A Apparatus for charging alkaline zinc-manganese dioxide cells Electricity 37 Expired
US5523668A NiCd/NiMH battery charger Emerging Cross-Sectional Technologies 30 Expired
US4908749A System for controlling access to computer bus having address phase and data phase by prolonging the generation of request signal Physics 29 Expired
US5523667A Alkaline battery charger and method of operating same Electricity 27 Expired
US5646504A Magnetically balanced multi-output battery charging system Emerging Cross-Sectional Technologies 26 Expired
US5585209A Bipolar lead/acid batteries Emerging Cross-Sectional Technologies 25 Expired

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