Inventor · disambiguated record
E. R. Harrison
Also filed as: HARRISON E R
4 granted patents·24 citations·filing 1991–1995
72Inventor score
Technology areasG01V
Top patents by PatentIndex Score
4 records- 0132US5365493AAir gunWESTERN ATLAS INT INC·Filed 1992·Granted Nov 15, 1994·10 cites·14 claims
- 0231US5228010ASeismic energy source air gunHALLIBURTON GEOPHYS SERVICE·Filed 1991·Granted Jul 13, 1993·9 cites·14 claims
- 0325US5592439ASelf-centering dual shuttle air gunI O EXPLORATION PRODUCTS U S A·Filed 1995·Granted Jan 7, 1997·2 cites·6 claims
- 0424US5592440ACompact sleeve air gunI O EXPLORATION PRODUCTS U S A·Filed 1995·Granted Jan 7, 1997·3 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →