Inventor · disambiguated record
Howard Charles Duncan Mattson
Also filed as: MATTSON HOWARD · MATTSON HOWARD C D · MATTSON HOWARD CHARLES DUNCAN
20 granted patents·12 pending applications·23 citations·filing 2009–2024
91Inventor score
Files withSIEMENS PRODUCT LIFECYCLE MAN SOFTWARE INC12MATTSON HOWARD CHARLES DUNCAN9SIEMENS IND SOFTWARE INC8GANDIKOTA MALLIKARJUNA1NANSON PETER PHILIP LONSDALE1
Top patents by PatentIndex Score
32 records- 0174US11947876B2Method and system for multiple views computer-aided-design including propagation of edit operations across views while ensuring constraints consistencySIEMENS IND SOFTWARE INC·Filed 2017·Granted Apr 2, 2024·2 cites·16 claims
- 0272US9075950B2Integrating discovered and user-defined geometric relationshipsSIEMENS PRODUCT LIFECYCLE MAN SOFTWARE INC·Filed 2012·Granted Jul 7, 2015·2 cites·20 claims
- 0372US8510087B2Variational modeling with discovered interferencesMATTSON HOWARD CHARLES DUNCAN·Filed 2010·Granted Aug 13, 2013·5 cites·20 claims
- 0470US12437129B2Modelling method and systemSIEMENS IND SOFTWARE INC·Filed 2024·Granted Oct 7, 2025·0 cites·18 claims
- 0570US9141731B2Symmetry of discovered geometric relationships in a three dimensional modelMATTSON HOWARD CHARLES DUNCAN·Filed 2012·Granted Sep 22, 2015·3 cites·20 claims
- 0668US9607108B2Variational modeling with removal featuresSIEMENS PRODUCT LIFECYCLE MAN SOFTWARE INC·Filed 2013·Granted Mar 28, 2017·2 cites·14 claims
- 0766US8977525B2Non-variational changes in a variational systemSIEMENS PRODUCT LIFECYCLE MAN SOFTWARE INC·Filed 2012·Granted Mar 10, 2015·1 cites·20 claims
- 0866US8612184B2Variational modeling with removal featuresMATTSON HOWARD CHARLES DUNCAN·Filed 2010·Granted Dec 17, 2013·2 cites·10 claims
- 0962US8896597B2System and method for modifying geometric relationships in a solid modelSTAPLES DANIEL C·Filed 2009·Granted Nov 25, 2014·5 cites·19 claims
- 1055US9396292B2Curves in a variational systemMATTSON HOWARD CHARLES DUNCAN·Filed 2013·Granted Jul 19, 2016·1 cites·17 claims
- 1152US11947877B2Anti-constraint configuration and enforcement for computer-aided design (CAD) modelsSIEMENS IND SOFTWARE INC·Filed 2019·Granted Apr 2, 2024·0 cites·19 claims
- 1252US9348966B2Blend behavior in a variational systemMATTSON HOWARD CHARLES DUNCAN·Filed 2012·Granted May 24, 2016·0 cites·20 claims
- 1352US9286436B2Identification and management of redundancy within geometric relationshipsSIEMENS PRODUCT LIFECYCLE MAN SOFTWARE INC·Filed 2012·Granted Mar 15, 2016·0 cites·20 claims
- 1450US9235659B2Local behavior in a variational systemSIEMENS PRODUCT LIFECYCLE MAN SOFTWARE INC·Filed 2014·Granted Jan 12, 2016·0 cites·20 claims
- 1550US2015261890A1Multi-level structures in cad modelsSIEMENS PRODUCT LIFECYCLE MAN SOFTWARE INC·Filed 2014·Application pending·0 cites
- 1650US2014355888A1Automatic detection of regular patterns of featuresMATTSON HOWARD CHARLES DUNCAN·Filed 2013·Application pending·0 cites
- 1749US10176291B2Ordering optional constraints in a variational systemMATTSON HOWARD CHARLES DUNCAN·Filed 2012·Granted Jan 8, 2019·0 cites·18 claims
- 1846US2025148137A1Method and system of editing an engineering design (cad model)SIEMENS IND SOFTWARE INC·Filed 2022·Application pending·0 cites
- 1945US2025148153A1Method of modelling engineering design componentsSIEMENS IND SOFTWARE INC·Filed 2022·Application pending·0 cites
- 2044US9690878B2Geometric modeling with mutually dependent blendsMATTSON HOWARD CHARLES DUNCAN·Filed 2013·Granted Jun 27, 2017·0 cites·20 claims
- 2144US2024232452A9System and method for modelling and positioning parts in a mechanical component designSIEMENS IND SOFTWARE INC·Filed 2021·Application pending·0 cites
- 2244US2022327252A1Method and system for computer aided designSIEMENS IND SOFTWARE INC·Filed 2019·Application pending·0 cites
- 2344US2015269284A1Intelligent chamfer recognition in cad modelsSIEMENS PRODUCT LIFECYCLE MAN SOFTWARE INC·Filed 2014·Application pending·0 cites
- 2444US2015278401A1Intelligent offset recognition in cad modelsSIEMENS PRODUCT LIFECYCLE MAN SOFTWARE INC·Filed 2014·Application pending·0 cites
- 2543US2015278400A1Hybrid variational solving in cad modelsSIEMENS PRODUCT LIFECYCLE MAN SOFTWARE INC·Filed 2014·Application pending·0 cites
- 2639US11392726B2Variational modeling method and system for editing of geometric objectsSIEMENS IND SOFTWARE INC·Filed 2016·Granted Jul 19, 2022·0 cites·18 claims
- 2739US2010013833A1System and method for modifying features in a solid modelGANDIKOTA MALLIKARJUNA·Filed 2009·Application pending·0 cites
- 2837US9122818B2Representation and discovery of geometric relationships in a three dimensional modelMATTSON HOWARD CHARLES DUNCAN·Filed 2012·Granted Sep 1, 2015·0 cites·20 claims
- 2935US10360312B2System and method for identifying clonesSIEMENS PRODUCT LIFECYCLE MAN SOFTWARE INC·Filed 2015·Granted Jul 23, 2019·0 cites·20 claims
- 3035US2016328496A1System and method for editing a modelSIEMENS PRODUCT LIFECYCLE MAN SOFTWARE INC·Filed 2015·Application pending·0 cites
- 3134US2016357878A1Modelling method and systemSIEMENS PRODUCT LIFECYCLE MAN SOFTWARE INC·Filed 2015·Application pending·0 cites
- 3230US8723863B2Data processing system with construction geometryNANSON PETER PHILIP LONSDALE·Filed 2010·Granted May 13, 2014·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →