Inventor · Howard, PA, US

Mark E. Warnaka

6Patents
6h-index
2Co-inventors
49Inventor score

Filing activity: Sep 21, 1989 → Nov 4, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US4991433A Phase track system for monitoring fluid material within a container Emerging Cross-Sectional Technologies 75 Expired
US5838805A Piezoelectric transducers Electricity 43 Expired
US6356641B1 Vehicular loudspeaker system Electricity 26 Expired
US6195440A Piezoelectric transducers Electricity 21 Expired
US6218766A Loudspeaker assembly Performing Operations; Transporting 18 Expired
US6522755B1 Vehicular loudspeaker system Electricity 12 Expired

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