Inventor · Hubbard, OH, US

John D. Turko

2Patents
1h-index
3Co-inventors
27Inventor score

Filing activity: Jan 29, 1980 → Aug 13, 1980

Most-cited inventions

PatentTitleAreaCited byStatus
US4337018A Rotary impeller pump or motor with counterbalancing chamber in thrust plate bearing counterbore Mechanical Engineering; Lighting; Heating 7 Expired
US4338962A Control and relief valves Emerging Cross-Sectional Technologies 1 Expired

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