Inventor · disambiguated record
Hardy Wietzoreck
Also filed as: WIETZORECK HARDY
9 granted patents·9 pending applications·137 citations·filing 1990–2020
89Inventor score
Top patents by PatentIndex Score
18 records- 0192US7736730B2Method for pretreating and/or coating metallic surfaces with a paint-like coating prior to forming and use of substrates coated in this wayCHEMETALL GMBH·Filed 2007·Granted Jun 15, 2010·29 cites·146 claims
- 0287US6562148B1Pretreatment of aluminum surfaces with chrome-free solutionsCHEMETALL GMBH·Filed 2000·Granted May 13, 2003·36 cites·10 claims
- 0382US7947333B2Method for coating of metallic coil or sheets for producing hollow articlesCHEMETALL GMBH·Filed 2006·Granted May 24, 2011·5 cites·24 claims
- 0466US7615257B2Method for pretreating and/or coating metallic surfaces with a paint-like coating prior to forming and use of substrates coated in this wayCHEMETALL GMBH·Filed 2001·Granted Nov 10, 2009·18 cites·77 claims
- 0565US7208053B2Method for applying a phosphate covering and use of metal parts thus phospatedCHEMETALL GMBH·Filed 2001·Granted Apr 24, 2007·9 cites·35 claims
- 0662US2007190259A1Process for coating metallic surfaces with an aqueous composition, the aqueous composition and use of the coated substratesBITTNER KLAUS·Filed 2007·Application pending·0 cites
- 0756US2006093755A1Method for pretreating and coating metal surfaces, prior to forming, with a paint-like coating and use of the substrates thus coatedBITTNER KLAUS·Filed 2005·Application pending·0 cites
- 0852US12203173B2Alternative composition and alternative method for effectively phosphating metal surfacesCHEMETALL GMBH·Filed 2020·Granted Jan 21, 2025·0 cites·20 claims
- 0952US2021062346A1Process for selective phosphating of a composite metal constructionCHEMETALL GMBH·Filed 2019·Application pending·0 cites
- 1048US5904786AMethod of applying phosphate coatings to metal surfacesMETALLGESELLSCHAFT AG·Filed 1995·Granted May 18, 1999·15 cites·13 claims
- 1148US2004054044A1Method for coating metallic surfaces with an aqueous composition, the aqueos composition and use of the coated substratesFiled 2001·Application pending·0 cites
- 1247US5203930AProcess of forming phosphate coatings on metal surfacesMETALLGESELLSCHAFT AG·Filed 1990·Granted Apr 20, 1993·15 cites·18 claims
- 1346US2015361382A1A method for coating metallic surfaces for preventing pinholes on zinc-containing metallic surfacesCHEMETALL GMBH·Filed 2014·Application pending·0 cites
- 1443US2003185990A1Method for pretreating and coating metal surfaces prior to forming, with a paint-like coating and use of substrates so coatedFiled 2001·Application pending·0 cites
- 1542US5795408AProcess for the phosphatising treatment of steel strip or sheet galvanized on one side or alloy galvanized on one sideMETALLGESELLSCHAFT AG·Filed 1994·Granted Aug 18, 1998·10 cites·17 claims
- 1640US2004065389A1Method for applying a phosphate coating and use of metal parts coated in this mannerFiled 2002·Application pending·0 cites
- 1739US2004009300A1Method for pretreating and subsequently coating metallic surfaces with paint-type coating prior to forming and use og sybstrates coated in this wayFiled 2001·Application pending·0 cites
- 1835US2004129346A1Method for coating metallic surfaces and use of the substrates coated in this mannerFiled 2002·Application pending·0 cites
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