Inventor · disambiguated record
Edward F. Schaefer
Also filed as: SCHAEFER EDWARD · SCHAEFER EDWARD F
4 granted patents·117 citations·filing 1978–1982
80Inventor score
Technology areasG03B
Files withMAGNAFLUX CORP4
Top patents by PatentIndex Score
4 records- 0193US4372658APipeline inspection apparatusMAGNAFLUX CORP·Filed 1982·Granted Feb 8, 1983·47 cites·6 claims
- 0292US4249810APipeline inspection apparatusMAGNAFLUX CORP·Filed 1978·Granted Feb 10, 1981·31 cites·3 claims
- 0383US4434427AAtmosphere control for photographic pipeline inspectionMAGNAFLUX CORP·Filed 1982·Granted Feb 28, 1984·20 cites·18 claims
- 0479US4363545APhotographic pipeline inspection apparatus including an optical port wiperMAGNAFLUX CORP·Filed 1981·Granted Dec 14, 1982·19 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →