Inventor · disambiguated record
R. Ernst Krueger
Also filed as: KRUEGER R ERNST · KRUEGER RUDOLPH E
7 granted patents·1 pending application·591 citations·filing 1990–2004
90Inventor score
Technology areasE21B
Top patents by PatentIndex Score
8 records- 0194US6467557B1Long reach rotary drilling assemblyWESTERN WELL TOOL INC·Filed 2000·Granted Oct 22, 2002·156 cites·48 claims
- 0290US5803193ADrill pipe/casing protector assemblyWESTERN WELL TOOL INC·Filed 1996·Granted Sep 8, 1998·162 cites·38 claims
- 0384US5069297ADrill pipe/casing protector and methodRUDOLPH E KRUEGER INC·Filed 1990·Granted Dec 3, 1991·136 cites·46 claims
- 0475US5692563ATubing friction reducerWESTERN WELL TOOL INC·Filed 1996·Granted Dec 2, 1997·70 cites·20 claims
- 0574US6470974B1Three-dimensional steering tool for controlled downhole extended-reach directional drillingWESTERN WELL TOOL INC·Filed 2000·Granted Oct 29, 2002·34 cites·37 claims
- 0662US6942044B2Three-dimensional steering tool for controlled downhole extended-reach directional drillingWESTERN WELL TOOLS INC·Filed 2003·Granted Sep 13, 2005·21 cites·11 claims
- 0754US6708783B2Three-dimensional steering tool for controlled downhole extended-reach directional drillingWESTERN WELL TOOL INC·Filed 2002·Granted Mar 23, 2004·12 cites·21 claims
- 0837US2004173381A1Three-dimensional steering tool for controlled downhole extended-reach directional drillingFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →