Inventor · disambiguated record
Ronald E. Hess
Also filed as: HESS RONALD E
9 granted patents·317 citations·filing 1989–1998
90Inventor score
Files withXEROX CORP9
Top patents by PatentIndex Score
9 records- 0183US5358357AProcess and apparatus for high vacuum groundwater extractionXEROX CORP·Filed 1993·Granted Oct 25, 1994·58 cites·18 claims
- 0279US5441365AApparatus and process for treating contaminated soil gases and liquidsXEROX CORP·Filed 1994·Granted Aug 15, 1995·56 cites·36 claims
- 0378US5050676AProcess for two phase vacuum extraction of soil contaminantsXEROX CORP·Filed 1989·Granted Sep 24, 1991·65 cites·13 claims
- 0475US5197541AApparatus for two phase vacuum extraction of soil contaminantsXEROX CORP·Filed 1991·Granted Mar 30, 1993·41 cites·7 claims
- 0563US5709505AVertical isolation system for two-phase vacuum extraction of soil and groundwater contaminantsXEROX CORP·Filed 1995·Granted Jan 20, 1998·54 cites·23 claims
- 0642US5655852AHigh vacuum extraction of soil contaminants along preferential flow pathsXEROX CORP·Filed 1996·Granted Aug 12, 1997·23 cites·30 claims
- 0740US6048134AAutomatic aspirator air control systemXEROX CORP·Filed 1998·Granted Apr 11, 2000·8 cites·20 claims
- 0837US6024868AAir flow control circuit for sustaining vacuum conditions in a contaminant extraction wellXEROX CORP·Filed 1997·Granted Feb 15, 2000·8 cites·8 claims
- 0933US5979554AVacuum application method and apparatus for removing liquid contaminants from groundwaterXEROX CORP·Filed 1997·Granted Nov 9, 1999·4 cites·19 claims
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