Inventor · Houston, TX, US

Herman E. Sheffield

3Patents
3h-index
1Co-inventors
40Inventor score

Filing activity: Sep 23, 1975 → Oct 2, 1985

Most-cited inventions

PatentTitleAreaCited byStatus
US4218139A Solar energy device and method Physics 44 Expired
US4595978A Programmable control circuit for controlling the on-off operation of an indicator device Physics 15 Expired
US3982242A McCulloh receiver Physics 5 Expired

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