Inventor · Windom, MN, US

Michael E. Drager

6Patents
5h-index
6Co-inventors
42Inventor score

Filing activity: Nov 30, 1990 → Oct 16, 1991

Most-cited inventions

PatentTitleAreaCited byStatus
US5152321A Bypass valve Emerging Cross-Sectional Technologies 35 Expired
US5162080A Rotary flow control valve Emerging Cross-Sectional Technologies 11 Expired
USD337633S Bypass valve for a liquid treatment tank General 10 Expired
USD336051S Water softener control and indicating panel General 6 Expired
USD328331S Water softener General 5 Expired
USD328330S Water softener General 4 Expired

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