Inventor · Salt Lake City, UT, US

Frederick M. Riser

5Patents
3h-index
7Co-inventors
50Inventor score

Filing activity: May 8, 1987 → Feb 22, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US4869818A Orbital wastewater treatment system with combined surface aerator and submerged impeller Emerging Cross-Sectional Technologies 10 Expired
US4940545A Aerobic waste sludge digester-thickener orbital system and method Emerging Cross-Sectional Technologies 7 Expired
US8057674B1 Orbital wastewater treatment system and method of operating same Emerging Cross-Sectional Technologies 4 Active
US7186332B2 Orbital wastewater treatment system with combined surface aerator and submerged impeller Emerging Cross-Sectional Technologies 3 Expired
US8318016B1 Orbital wastewater treatment system, method of operating same, and kit for modifying an orbital wastewater treatment system Emerging Cross-Sectional Technologies 3 Active

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