Inventor · San Antonio, TX, US

Edgar C. Schroeder

6Patents
4h-index
4Co-inventors
50Inventor score

Filing activity: Dec 5, 1984 → May 17, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US4651311A Electrodeless spark discharge acoustic pulse transducer for borehole operation Physics 21 Expired
US4706228A Asymmetrical lateral-force seismic source transducer Emerging Cross-Sectional Technologies 10 Expired
US7916578B2 Seismic wave generation systems and methods for cased wells Physics 6 Active
US5074767A Positive displacement pump with rotating reciprocating piston and improved lubrication feature Mechanical Engineering; Lighting; Heating 5 Expired
US5096394A Positive displacement pump with rotating reciprocating piston and improved pulsation dampening Mechanical Engineering; Lighting; Heating 3 Expired
US5022831A Positive displacement pump with rotating reciprocating piston Mechanical Engineering; Lighting; Heating 2 Expired

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