Inventor · Canton, OH, US

David C. Kumpf

2Patents
2h-index
9Co-inventors
27Inventor score

Filing activity: May 8, 2002 → Apr 17, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US6875255B2 Removable dirt separation system for a vacuum cleaner Emerging Cross-Sectional Technologies 17 Expired
US7360275B2 Dirt separation system for a vacuum cleaner Emerging Cross-Sectional Technologies 10 Expired

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