Inventor · Chicago Heights, IL, US

Donald E. Fritzsche

8Patents
7h-index
14Co-inventors
56Inventor score

Filing activity: Aug 8, 1985 → Jun 27, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US4599990A Control system and method for recirculating-type deep fat fryer Emerging Cross-Sectional Technologies 37 Expired
US6805112B2 Convection oven having multiple airflow patterns Human Necessities 37 Expired
US4684412A Cleaning and drying apparatus and method for the recirculation system of a high efficiency deep fat fryer Emerging Cross-Sectional Technologies 29 Expired
US4704290A Deep fat frying method Human Necessities 28 Expired
US5247874A High-volume cooking Human Necessities 23 Expired
US5540215A Method and apparatus for heating a liquid Emerging Cross-Sectional Technologies 12 Expired
US6557543B2 High pressure airflow and duct distribution system for a convection oven Human Necessities 7 Expired
US6467402B1 Fossil fuel-fired boilerless steamer Human Necessities 2 Expired

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