Inventor · Palatine, IL, US

Norman E. Zerndt

4Patents
3h-index
4Co-inventors
36Inventor score

Filing activity: Jan 25, 1990 → Apr 14, 1993

Most-cited inventions

PatentTitleAreaCited byStatus
US5052424A Electrically operated servo actuator with automatic shut off Emerging Cross-Sectional Technologies 16 Expired
US5255891A Electrically operated by-pass water valve Mechanical Engineering; Lighting; Heating 16 Expired
US5363743A Fluid pressure servomotor Mechanical Engineering; Lighting; Heating 8 Expired
US4981283A Connection for servo operated valve Mechanical Engineering; Lighting; Heating 3 Expired

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