Inventor · disambiguated record
Edgar C. Schroeder
Also filed as: SCHROEDER EDGAR C
6 granted patents·96 citations·filing 1984–2008
84Inventor score
Top patents by PatentIndex Score
6 records- 0185US4651311AElectrodeless spark discharge acoustic pulse transducer for borehole operationSOUTHWEST RES INST·Filed 1984·Granted Mar 17, 1987·45 cites·3 claims
- 0265US7916578B2Seismic wave generation systems and methods for cased wellsSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Mar 29, 2011·7 cites·23 claims
- 0357US4706228AAsymmetrical lateral-force seismic source transducerSOUTHWEST RES INST·Filed 1986·Granted Nov 10, 1987·20 cites·10 claims
- 0445US5074767APositive displacement pump with rotating reciprocating piston and improved lubrication featureHYPRO CORP·Filed 1990·Granted Dec 24, 1991·10 cites·5 claims
- 0533US5022831APositive displacement pump with rotating reciprocating pistonHYPRO CORP·Filed 1990·Granted Jun 11, 1991·6 cites·5 claims
- 0632US5096394APositive displacement pump with rotating reciprocating piston and improved pulsation dampeningGERLACH C RICHARD·Filed 1990·Granted Mar 17, 1992·8 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →