Inventor · disambiguated record
Howard W. Ludewig
Also filed as: LUDEWIG HOWARD · LUDEWIG HOWARD W · LUDEWIG HOWARD WALTER
14 granted patents·8 pending applications·275 citations·filing 1994–2015
93Inventor score
Top patents by PatentIndex Score
22 records- 0192US8157155B2Automated assembly and welding of structuresDIEZ FERNANDO MARTINEZ·Filed 2008·Granted Apr 17, 2012·32 cites·10 claims
- 0290US9649966B2Truck body for a machineCATERPILLAR INC·Filed 2015·Granted May 16, 2017·8 cites·14 claims
- 0390US8322591B2Automated assembly and welding of structuresDIEZ FERNANDO MARTINEZ·Filed 2012·Granted Dec 4, 2012·16 cites·20 claims
- 0490US6024273AMethod and system for determining weld bead qualityCATERPILLAR INC·Filed 1998·Granted Feb 15, 2000·88 cites·30 claims
- 0589US7525067B2Dual wire welding torch and methodCATERPILLAR INC·Filed 2006·Granted Apr 28, 2009·20 cites·20 claims
- 0679US6362456B1Method and system for controlling weld geometry features for improved fatigue performance of fabricated structuresCATERPILLAR INC·Filed 1999·Granted Mar 26, 2002·45 cites·25 claims
- 0765US5521354AMethod for arc welding fault detectionCATERPILLAR INC·Filed 1994·Granted May 28, 1996·22 cites·22 claims
- 0864US5750957AMethod for arc welding fault detectionCATERPILLAR INC·Filed 1996·Granted May 12, 1998·22 cites·18 claims
- 0954US8075714B2Localized induction heating for residual stress optimizationZHAO PINGSHUN·Filed 2008·Granted Dec 13, 2011·1 cites·9 claims
- 1051US2010078412A1Hybrid welding methodCATERPILLAR INC·Filed 2008·Application pending·0 cites
- 1150US10286482B2Weld kit and method for limited access weld jointsCATERPILLAR INC·Filed 2015·Granted May 14, 2019·0 cites·10 claims
- 1250US9545693B2Consumable insert for weldingCATERPILLAR INC·Filed 2014·Granted Jan 17, 2017·0 cites·12 claims
- 1346US5729345AApparatus and method for determining distortion of a welded memberCATERPILLAR INC·Filed 1996·Granted Mar 17, 1998·14 cites·15 claims
- 1442US2015197061A1Customized laser metal powder 3d printed consumable weld insertsCATERPILLAR INC·Filed 2014·Application pending·0 cites
- 1541US2012107644A1Localized Induction Heating For Residual Stress OptimizationZHAO PINGSHUN·Filed 2011·Application pending·0 cites
- 1640US2016353527A1Customized Retainer for Induction Heating CoilCATERPILLAR INC·Filed 2015·Application pending·0 cites
- 1739US2015314407A1Method for joining workpiecesCATERPILLAR INC·Filed 2015·Application pending·0 cites
- 1838US2016288234A1Ceramic backing tile with consumable insertCATERPILLAR INC·Filed 2015·Application pending·0 cites
- 1938US2016354854A1Systems and Methods for Weld Distortion Reduction via a Dynamically Controlled Heat SourceCATERPILLAR INC·Filed 2015·Application pending·0 cites
- 2036US6184491B1Method and apparatus for monitoring weld qualityCATERPILLAR INC·Filed 1999·Granted Feb 6, 2001·7 cites·32 claims
- 2136US2013240490A1Welding methodWANG HUIJUN·Filed 2012·Application pending·0 cites
- 2235US9193002B2Welding system implementing concurrent auto-dam fabricationCATERPILLAR INC·Filed 2013·Granted Nov 24, 2015·0 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →