Inventor · Saint Paul, MN, US

Stephen W. Stein

20Patents
8h-index
22Co-inventors
71Inventor score

Filing activity: Dec 31, 2002 → Feb 22, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6932082B2 Spacer or actuator for inertial removal of the non-respirable fraction of medicinal aerosols Human Necessities 31 Expired
US9861580B2 Method of making a dry powder pharmaceutical composition Human Necessities 12 Active
US9125999B2 Dry powder inhaler dose counters Human Necessities 12 Active
US8985102B2 Dry powder inhalers Human Necessities 11 Active
US8062670B2 Compositions exhibiting improved flowability Human Necessities 9 Active
US7425582B2 Stabilized dispersions comprising excipient surface-modified organic nanoparticles and medicament particles Emerging Cross-Sectional Technologies 9 Active
US9072664B2 Process for manufacturing flowable powder drug compositions Human Necessities 9 Active
US10335560B2 Single high dose dry-powder inhaler and method Human Necessities 8 Active
US11497712B2 Method of preparing a pharmaceutical composition Performing Operations; Transporting 8 Active
US9956170B2 Dry powder pharmaceutical compositions for pulmonary administration, and methods of manufacturing thereof Human Necessities 8 Active
US7459146B2 Stabilized aerosol dispersions Chemistry; Metallurgy 7 Expired
US7001580B2 Emulsions including surface-modified organic molecules Emerging Cross-Sectional Technologies 6 Expired
US7476694B2 Methods of treating mammals with stabilized particle dispersions containing excipient surface-modified nanoparticles Emerging Cross-Sectional Technologies 5 Active
US7141612B2 Stabilized foams including surface-modified organic molecules Chemistry; Metallurgy 2 Expired
US7659725B2 Method for assessing the suitability of metered dose inhaler actuators Human Necessities 1 Active
US10188996B2 Powder mixing apparatus and method of use Performing Operations; Transporting 1 Active
US9474870B2 Dry powder inhalers Human Necessities 1 Active
US10953166B2 Dry powder inhaler dose counters Human Necessities 0 Active
US10919011B2 Powder mixing apparatus and method of use Performing Operations; Transporting 0 Active
US10376662B2 Dry powder inhalers Human Necessities 0 Active

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