Inventor · disambiguated record
Earl J. Peterman
Also filed as: PETERMAN EARL J
5 granted patents·497 citations·filing 1980–1998
86Inventor score
Top patents by PatentIndex Score
5 records- 0194US4387340AApparatus for determining the distance to a concealed conductive object which is radiating an alternating current signalMETROTECH INC·Filed 1980·Granted Jun 7, 1983·136 cites·7 claims
- 0293US4520317AApparatus including a pair of automatic gain controlled amplifiers for determining the lateral direction to a concealed conductive objectMETROTECH INC·Filed 1983·Granted May 28, 1985·94 cites·7 claims
- 0392US5001430AApparatus for locating concealed electrical conductorsHEATH CONSULTANTS INC·Filed 1990·Granted Mar 19, 1991·122 cites·16 claims
- 0486US6140819AContinuous-depth-indicating underground pipe and cable locatorHEATH CONSULTANTS INC·Filed 1998·Granted Oct 31, 2000·105 cites·11 claims
- 0577US5686828AMethod for locating the joints and fracture points of underground jointed metallic pipes and cast-iron-gas-main-pipeline joint locator systemNEW YORK STATE ELECTRIC & GAS·Filed 1995·Granted Nov 11, 1997·40 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →