Inventor · disambiguated record

Siegfried Riffel

Also filed as: RIFFEL SIEGFRIED

1 granted patent·1 pending application·20 citations·filing 1995–2015

41Inventor score

Technology areasC04B E01C

Files withHEIDELBERGCEMENT AG1 HOECHST AG1

Top patents by PatentIndex Score

2 records

0157US5861057ADrainage concreteHOECHST AG·Filed 1995·Granted Jan 19, 1999·20 cites·22 claims
0230US2017211240A1Structuring elements for road surfaces, use thereof and method for producing road surfacesHEIDELBERGCEMENT AG·Filed 2015·Application pending·0 cites

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →