Inventor · disambiguated record
Frank Barhold
Also filed as: BAERHOLD FRANK · BARHOLD FRANK · WALDMANN RALF
3 granted patents·39 citations·filing 1996–2014
67Inventor score
Technology areasC23G
Top patents by PatentIndex Score
3 records- 0169US5759307AMethod of producing a cold-rolled strip in one passGEWERK KERAMCHEMIE·Filed 1996·Granted Jun 2, 1998·28 cites·18 claims
- 0248US6375915B1Method of regenerating a spent pickling solutionGEWERK KERAMCHEMIE·Filed 1997·Granted Apr 23, 2002·11 cites·8 claims
- 0347US10494259B2Method and device for regeneration of hydrochloric acidANDRITZ AG MASCHF·Filed 2014·Granted Dec 3, 2019·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →