Inventor · disambiguated record
Rudolf Zeller
Also filed as: ZELLER RUDOLF
85 granted patents·6 pending applications·1,358 citations·filing 1980–2025
99Inventor score
Files withMERLIN TECHNOLOGY INC63DIGITAL CONTROL INC15BRUNE GUENTER W4VOEST ALPINE AG2ZEISS STIFTUNG2
Top patents by PatentIndex Score
91 records- 0199US7960973B2Tracking positions of personnel, vehicles, and inanimate objectsMERLIN TECHNOLOGY INC·Filed 2010·Granted Jun 14, 2011·40 cites·16 claims
- 0298US6035951ASystem for tracking and/or guiding an underground boring toolDIGITAL CONTROL INC·Filed 1997·Granted Mar 14, 2000·237 cites·29 claims
- 0397US7859249B2Tracking positions of personnel, vehicles, and inanimate objectsMERLIN TECHNOLOGY INC·Filed 2010·Granted Dec 28, 2010·17 cites·5 claims
- 0497US4962591ACalibration-test member for a coordinate-measuring instrumentZEISS STIFTUNG·Filed 1989·Granted Oct 16, 1990·131 cites·7 claims
- 0596US9739140B2Communication protocol in directional drilling system, apparatus and method utilizing multi-bit data symbol transmissionMERLIN TECHNOLOGY INC·Filed 2015·Granted Aug 22, 2017·13 cites·69 claims
- 0696US7898494B2Locating technique and apparatus using an approximated dipole signalMERLIN TECHNOLOGY INC·Filed 2008·Granted Mar 1, 2011·33 cites·12 claims
- 0795US11352876B2Advanced passive interference management in directional drilling system, apparatus and methodsMERLIN TECHNOLOGY INC·Filed 2021·Granted Jun 7, 2022·3 cites·8 claims
- 0894US7775301B2Advanced steering tool system, method and apparatusMARTIN TECHNOLOGY INC·Filed 2007·Granted Aug 17, 2010·45 cites·9 claims
- 0993US9360579B1Advanced steering tool system, method and apparatusMERLIN TECHNOLOGY INC·Filed 2016·Granted Jun 7, 2016·5 cites·5 claims
- 1093US7425829B2Tracking positions of personnel, vehicles, and inanimate objectsMERLIN TECHNOLOGY INC·Filed 2004·Granted Sep 16, 2008·51 cites·83 claims
- 1192US6250402B1Establishing positions of locating field detectors and path mappings in underground boring tool applicationsDIGITAL CONTROL INC·Filed 1999·Granted Jun 26, 2001·95 cites·10 claims
- 1291US7343816B2Tension monitoring arrangement and methodMERLIN TECHNOLOGY INC·Filed 2005·Granted Mar 18, 2008·12 cites·10 claims
- 1390US11149539B2Drill planning tool for topography characterization, system and associated methodsMERLIN TECHNOLOGY INC·Filed 2019·Granted Oct 19, 2021·7 cites·33 claims
- 1490US10422664B2Tracking positions of personnel, vehicles, and inanimate objectsMERLIN TECHNOLOGY INC·Filed 2016·Granted Sep 24, 2019·2 cites·6 claims
- 1590US10378338B2Advanced passive interference management in directional drilling system, apparatus and methodsMERLIN TECHNOLOGY INC·Filed 2017·Granted Aug 13, 2019·4 cites·22 claims
- 1690US8686731B2Tracking positions of personnel, vehicles, and inanimate objectsZELLER RUDOLF·Filed 2011·Granted Apr 1, 2014·9 cites·12 claims
- 1790US7772849B2Tracking positions of personnel, vehicles, and inanimate objectsMERLIN TECHNOLOGY INC·Filed 2009·Granted Aug 10, 2010·15 cites·24 claims
- 1890US7570060B2Tracking positions of personnel, vehicles, and inanimate objectsMERLIN TECHNOLOGY INC·Filed 2008·Granted Aug 4, 2009·15 cites·27 claims
- 1989US9778121B2Tension monitoring arrangement and methodMERLIN TECHNOLOGY INC·Filed 2016·Granted Oct 3, 2017·3 cites·6 claims
- 2089US9310507B2Tracking positions of personnel, vehicles, and inanimate objectsMERLIN TECHNOLOGY INC·Filed 2015·Granted Apr 12, 2016·2 cites·2 claims
- 2189US7578201B2Tension monitoring arrangement and methodMERLIN TECHNOLOGY INC·Filed 2008·Granted Aug 25, 2009·10 cites·26 claims
- 2288US7775121B2Tension monitoring arrangement and methodMERLIN TECHNOLOGY INC·Filed 2009·Granted Aug 17, 2010·8 cites·14 claims
- 2388US7443359B2Locating technique and apparatus using an approximated dipole signalMERLIN TECHNOLOGY INC·Filed 2007·Granted Oct 28, 2008·12 cites·16 claims
- 2488US6993981B1Tension monitoring arrangement and methodMERLIN TECHNOLOGY INC·Filed 2003·Granted Feb 7, 2006·20 cites·18 claims
- 2587US8393414B2Establishing positions of locating field detectors and path mapping in underground boring tool applicationsBRUNE GUENTER W·Filed 2011·Granted Mar 12, 2013·6 cites·6 claims
- 2687US7209093B2Locating technique and apparatus using an approximated dipole signalMERLIN TECHNOLOGY INC·Filed 2005·Granted Apr 24, 2007·16 cites·23 claims
- 2786US7080698B2Mapping tool for tracking and/or guiding an underground boring toolMERLIN TECHNOLOGY INC·Filed 2005·Granted Jul 25, 2006·16 cites·20 claims
- 2885US8264419B2Locating technique and apparatus using an approximated dipole signalBRUNE GUENTER W·Filed 2011·Granted Sep 11, 2012·5 cites·9 claims
- 2985US7347280B2Establishing positions of locating field detectors and path mapping in underground boring tool applicationsMERLIN TECHNOLOGY INC·Filed 2006·Granted Mar 25, 2008·14 cites·22 claims
- 3084US6927741B2Locating technique and apparatus using an approximated dipole signalMERLIN TECHNOLOGY INC·Filed 2002·Granted Aug 9, 2005·36 cites·162 claims
- 3184US6047783ASystems, arrangements and associated methods for tracking and/or guiding an underground boring toolDIGITAL CONTROL INC·Filed 1999·Granted Apr 11, 2000·58 cites·20 claims
- 3283US12228030B2Advanced passive interference management in directional drilling system, apparatus and methodsMERLIN TECHNOLOGY INC·Filed 2023·Granted Feb 18, 2025·0 cites·7 claims
- 3383US8042407B2Tension monitoring arrangement and methodMERLIN TECHNOLOGY INC·Filed 2010·Granted Oct 25, 2011·4 cites·18 claims
- 3483US7159672B2Mapping tool for tracking and/or guiding an underground boring toolMERLIN TECHNOLOGY INC·Filed 2006·Granted Jan 9, 2007·13 cites·19 claims
- 3583US4822411AIntegrated steel mill arrangementVOEST ALPINE AG·Filed 1987·Granted Apr 18, 1989·36 cites·5 claims
- 3682US11002623B2Tension monitoring arrangement and methodMERLIN TECHNOLOGY INC·Filed 2019·Granted May 11, 2021·1 cites·7 claims
- 3782US8499646B2Utility pull-back tension monitoring arrangement with sensor output compensation and methodCHAU ALBERT W·Filed 2011·Granted Aug 6, 2013·4 cites·16 claims
- 3882US2025283403A1Drill Planning Tool for Topography Characterization, System and Associated MethodsMERLIN TECHNOLOGY INC·Filed 2025·Application pending·0 cites
- 3981US11852012B2Advanced passive interference management in directional drilling system, apparatus and methodsMERLIN TECHNOLOGY INC·Filed 2023·Granted Dec 26, 2023·0 cites·20 claims
- 4081US6668944B2Path mapping in underground boring tool applicationsMERLIN TECHNOLOGY INC·Filed 2003·Granted Dec 30, 2003·32 cites·3 claims
- 4181US6095260ASystem, arrangements and associated methods for tracking and/or guiding an underground boring toolDIGITAL CONTROL INC·Filed 1999·Granted Aug 1, 2000·51 cites·9 claims
- 4280US4884348ATesting device and method of determining the uncertainty of measurement of coordinate-measuring instrumentsZEISS STIFTUNG·Filed 1988·Granted Dec 5, 1989·43 cites·19 claims
- 4379US12312942B2Drill planning tool for topography characterization, system and associated methodsMERLIN TECHNOLOGY INC·Filed 2023·Granted May 27, 2025·0 cites·4 claims
- 4478US11613990B2Advanced passive interference management in directional drilling system, apparatus and methodsMERLIN TECHNOLOGY INC·Filed 2022·Granted Mar 28, 2023·0 cites·7 claims
- 4578US10746892B2System for determining offset and orientation from a planar loop antennaMERLIN TECHNOLOGY INC·Filed 2018·Granted Aug 18, 2020·1 cites·14 claims
- 4678US9035656B2Tracking positions of personnel, vehicles, and inanimate objectsMERLIN TECHNOLOGY INC·Filed 2014·Granted May 19, 2015·1 cites·10 claims
- 4778US7562722B2Method and apparatus for establishing the position of a sonde in a region using a single detectorMERLIN TECHNOLOGY INC·Filed 2008·Granted Jul 21, 2009·9 cites·9 claims
- 4878US2025146408A1Advanced passive interference management in directional drilling system, apparatus and methodsMERLIN TECHNOLOGY INC·Filed 2025·Application pending·0 cites
- 4977US11480446B2Tracking positions of personnel, vehicles, and inanimate objectsMERLIN TECHNOLOGY INC·Filed 2020·Granted Oct 25, 2022·0 cites·2 claims
- 5077US8659298B2Advanced steering tool system, method and apparatusBRUNE GUENTER W·Filed 2010·Granted Feb 25, 2014·3 cites·11 claims
Showing the top 50 of 91 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →