Inventor · Ames, IA, US

David K. Hoffman

2Patents
1h-index
5Co-inventors
41Inventor score

Filing activity: Jun 30, 1994 → Jul 28, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5472577A Fluid pumping system based on electrochemically-induced surface tension changes Emerging Cross-Sectional Technologies 45 Expired
US11827954B2 Rare earth enrichment process by contacting raw material with a base at specific pH values Emerging Cross-Sectional Technologies 0 Active

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