Inventor · disambiguated record
Ralf Zaeper
Also filed as: ZAEPER RALF
4 granted patents·6 pending applications·39 citations·filing 2006–2022
74Inventor score
Top patents by PatentIndex Score
10 records- 0187US7477161B2Bidirectional telemetry apparatus and methods for wellbore operationsBAKER HUGHES INC·Filed 2006·Granted Jan 13, 2009·25 cites·22 claims
- 0271US7694558B2Downhole washout detection system and methodBAKER HUGHES INC·Filed 2008·Granted Apr 13, 2010·3 cites·21 claims
- 0366US8248266B2Bidirectional telemetry apparatus and methods for wellbore operationsMACPHERSON JOHN D·Filed 2009·Granted Aug 21, 2012·9 cites·19 claims
- 0461US8600679B2System and method to locate, monitor and quantify friction between a drillstring and a wellboreZAEPER RALF·Filed 2009·Granted Dec 3, 2013·2 cites·20 claims
- 0540US2024125228A1Percussion drilling apparatus and method (with damper)RIG TECH INTERNATIONAL PTY LTD·Filed 2022·Application pending·0 cites
- 0638US2009250225A1Control of downhole devices in a wellboreBAKER HUGHES INC·Filed 2008·Application pending·0 cites
- 0737US2009120689A1Apparatus and method for communicating information between a wellbore and surfaceBAKER HUGHES INC·Filed 2007·Application pending·0 cites
- 0833US2014019052A1Device and method for predictive calibrationZAEPER RALF·Filed 2012·Application pending·0 cites
- 0933US2024229638A9Percussion drilling apparatus and method for measurement while drillingRIG TECH INTERNATIONAL PTY LTD·Filed 2022·Application pending·0 cites
- 1032US2009207041A1Downhole measurement while drilling system and methodBAKER HUGHES INC·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →