Inventor · disambiguated record
Klaus-Dieter Bartkowski
Also filed as: BARTKOWSKI KLAUS D · BARTKOWSKI KLAUS-DIETER
3 granted patents·20 citations·filing 1990–1991
65Inventor score
Files withHAPPICH GMBH GEBR3
Top patents by PatentIndex Score
3 records- 0154US5102508AMethod of producing colored surfaces on parts of aluminum or aluminum alloyHAPPICH GMBH GEBR·Filed 1990·Granted Apr 7, 1992·14 cites·9 claims
- 0236US5225068AMethod of compacting an anodically produced layer of oxide on parts of aluminum or aluminum alloyHAPPICH GMBH GEBR·Filed 1991·Granted Jul 6, 1993·5 cites·7 claims
- 0327US5009756AChemical method of avoiding a rainbow effect caused by the layer of oxide produced upon the brightening of parts of aluminum or aluminum alloysHAPPICH GMBH GEBR·Filed 1990·Granted Apr 23, 1991·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →