Inventor · disambiguated record
Ronald Kefferstein
Also filed as: KEFFERSTEIN RONALD
19 granted patents·199 citations·filing 1998–2024
95Inventor score
Top patents by PatentIndex Score
19 records- 0197US10590507B2Coated steel strips, coated stamped products and methodsARCELORMITTAL·Filed 2019·Granted Mar 17, 2020·7 cites·30 claims
- 0297US8066829B2Process for manufacturing stamped products, and stamped products prepared from the sameSPEHNER DOMINIQUE·Filed 2011·Granted Nov 29, 2011·18 cites·7 claims
- 0396US9708683B2Coated steel strips, methods of making the same, methods of using the same, stamping blanks prepared from the same, stamped products prepared from the same, and articles of manufacture which contain such a stamped productDRILLET PASCAL·Filed 2012·Granted Jul 18, 2017·13 cites·11 claims
- 0495US10597747B2Coated steel strips, coated stamped products and methodsARCELORMITTAL·Filed 2019·Granted Mar 24, 2020·1 cites·4 claims
- 0595US10577674B2Coated steel strips, coated stamped products and methodsARCELORMITTAL·Filed 2019·Granted Mar 3, 2020·1 cites·30 claims
- 0695US10550447B2Coated steel strips, coated stamped products and methodsARCELORMITTAL·Filed 2017·Granted Feb 4, 2020·3 cites·21 claims
- 0795US8307680B2Coated steel strips, methods of making the same, methods of using the same, stamping blanks prepared from the same, stamped products prepared from the same, and articles of manufacture which contain such a stamped productDRILLET PASCAL·Filed 2006·Granted Nov 13, 2012·34 cites·6 claims
- 0894US12454737B2Method of forming a hot stamped coated steel productARCELORMITTAL·Filed 2024·Granted Oct 28, 2025·0 cites·28 claims
- 0993US6564604B2Process for the manufacture of a part with very high mechanical properties, formed by stamping of a strip of rolled steel sheet and more particularly hot rolled and coatedUSINOR·Filed 2001·Granted May 20, 2003·89 cites·7 claims
- 1092US12012640B2Method of forming a hot stamped coated steel productARCELORMITTAL·Filed 2023·Granted Jun 18, 2024·0 cites·30 claims
- 1191US11326227B2Coated steel strips, coated stamped products and methodsARCELORMITTAL·Filed 2021·Granted May 10, 2022·1 cites·25 claims
- 1291US10961602B2Coated steel strips, coated stamped products and methodsARCELORMITTAL·Filed 2019·Granted Mar 30, 2021·1 cites·30 claims
- 1388US8440323B2Coated steel stamped productSPEHNER DOMINIQUE·Filed 2011·Granted May 14, 2013·9 cites·30 claims
- 1486US8733142B2Process for manufacturing stamped products, and stamped products prepared from the sameSPEHNER DOMINIQUE·Filed 2010·Granted May 27, 2014·8 cites·18 claims
- 1585US11939643B2Coated steel strips, coated stamped products and methodsARCELORMITTAL·Filed 2021·Granted Mar 26, 2024·0 cites·29 claims
- 1683US11041226B2Coated steel strips, coated stamped products and methodsARCELORMITTAL·Filed 2019·Granted Jun 22, 2021·0 cites·8 claims
- 1750US6447590B1Treatment composition based on pregelatinized starch and process for applying it to a metal, especially steel, surfaceUSINOR·Filed 2000·Granted Sep 10, 2002·1 cites·19 claims
- 1847US6063447AProcess for treating the surface of metal partsLORRAINE LAMINAGE·Filed 1998·Granted May 16, 2000·9 cites·20 claims
- 1937US6309697B1Composition for temporarily protecting metal components from corrosion, its processes of preparation and of application, and metal components obtained from this compositionLORRAINE LAMINAGE·Filed 1998·Granted Oct 30, 2001·4 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →