Inventor · Newark, DE, US

Donald E. Shaffer

7Patents
6h-index
5Co-inventors
56Inventor score

Filing activity: Apr 30, 1975 → Sep 2, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US3982531A Inflation device for a pneumatic orthosis Emerging Cross-Sectional Technologies 43 Expired
US5482763A Light weight tear resistant fabric Emerging Cross-Sectional Technologies 21 Expired
US5468537A Protective garments comprising an outer shell fabric of woven aramid fibers which elongate when exposed to a flame Emerging Cross-Sectional Technologies 20 Expired
US4736578A Method for forming a slub yarn Textiles; Paper 16 Expired
US4671744A Self-contained propellant driven turbofan Emerging Cross-Sectional Technologies 13 Expired
US5447787A Reinforced fabric Emerging Cross-Sectional Technologies 13 Expired
US10156287B2 Crank-less motion converter Emerging Cross-Sectional Technologies 0 Active

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