Inventor · Bloomington, MN, US

Robert K. Havemann

8Patents
5h-index
6Co-inventors
52Inventor score

Filing activity: Oct 15, 1980 → Nov 13, 1990

Most-cited inventions

PatentTitleAreaCited byStatus
US5046326A Transport refrigeration system Mechanical Engineering; Lighting; Heating 23 Expired
US4890459A Monitor for refrigeration system Mechanical Engineering; Lighting; Heating 15 Expired
US4960088A Low fuel shut-off system Mechanical Engineering; Lighting; Heating 14 Expired
US4770002A Transport refrigeration system Mechanical Engineering; Lighting; Heating 8 Expired
US4932841A Combination oil pressure regulator and low oil pressure detector for refrigerant compressor Emerging Cross-Sectional Technologies 6 Expired
US5074329A Three-way valve for a refrigeration system Emerging Cross-Sectional Technologies 4 Expired
US4616743A Centrifugal clutch particularly useful in transport refrigeration unit Mechanical Engineering; Lighting; Heating 4 Expired
US4329957A Engine control Emerging Cross-Sectional Technologies 1 Expired

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