Inventor · disambiguated record
Jan-Willem Brouwer
Also filed as: BROUWER JAN-WILLEM
26 granted patents·11 pending applications·151 citations·filing 1992–2024
95Inventor score
Top patents by PatentIndex Score
37 records- 0188US8715403B2Multi-stage pre-treatment method for metal components having zinc and iron surfacesBROUWER JAN-WILLEM·Filed 2012·Granted May 6, 2014·8 cites·24 claims
- 0284US8815021B2Optimized passivation on Ti/Zr-basis for metal surfacesBROUWER JAN-WILLEM·Filed 2010·Granted Aug 26, 2014·5 cites·12 claims
- 0383US9228088B2Composition for the alkaline passivation of zinc surfacesBROUWER JAN-WILLEM·Filed 2012·Granted Jan 5, 2016·3 cites·20 claims
- 0481US6645316B1Post-passivation of a phosphatized metal surfaceHENKEL KGAA·Filed 2000·Granted Nov 11, 2003·25 cites·14 claims
- 0579US9534301B2Multi-stage anti-corrosion treatment of metal components having zinc surfacesHENKEL AG & CO KGAA·Filed 2013·Granted Jan 3, 2017·3 cites·19 claims
- 0675US8679586B2Successive corrosion-protecting pre-treatment of metal surfaces in a multiple-step processCZIKA FRANZ-ADOLF·Filed 2011·Granted Mar 25, 2014·3 cites·17 claims
- 0775US8329013B2Optimized electrocoating of assembled and partly prephosphated componentsBROUWER JAN-WILLEM·Filed 2010·Granted Dec 11, 2012·2 cites·22 claims
- 0873US9550208B2Method for selectively phosphating a composite metal constructionHENKEL AG & CO KGAA·Filed 2012·Granted Jan 24, 2017·1 cites·19 claims
- 0964US2024271289A1Multi-stage treatment for activated zinc phosphatizing of metallic components with zinc surfacesHENKEL AG & CO KGAA·Filed 2024·Application pending·0 cites
- 1062US2024124982A1Method for sequentially constructing a conversion layer on components comprising steel surfacesHENKEL AG & CO KGAA·Filed 2023·Application pending·0 cites
- 1161US6090224APhosphating process with a copper-containing re-rinsing stageHENKEL KGAA·Filed 1996·Granted Jul 18, 2000·20 cites·6 claims
- 1259US6720032B1Pretreatment before painting of composite metal structures containing aluminum portionsHENKEL KGAA·Filed 1998·Granted Apr 13, 2004·25 cites·22 claims
- 1358US9079787B2Process for obtaining desalted water from zirconium-containing wash waterBROUWER JAN-WILLEM·Filed 2009·Granted Jul 14, 2015·0 cites·17 claims
- 1458US8956468B2Zr-/Ti-containing phosphating solution for passivation of metal composite surfacesBROUWER JAN-WILLEM·Filed 2012·Granted Feb 17, 2015·0 cites·14 claims
- 1558US2023220559A1One-stage process for zinc phosphatingHENKEL AG & CO KGAA·Filed 2023·Application pending·0 cites
- 1657US11535940B2Use of an adhesion promoter obtainable as a reaction product of a di- or poly amine with α,β-unsaturated carboxylic acid derivatives for metal surface treatmentHENKEL AG & CO KGAA·Filed 2019·Granted Dec 27, 2022·0 cites·21 claims
- 1756US8801871B2Zr-/Ti-containing phosphating solution for passivation of metal composite surfacesBROUWER JAN-WILLEM·Filed 2009·Granted Aug 12, 2014·2 cites·16 claims
- 1856US6395105B1Phosphating process with a metalliferous re-rinsing stageHENKEL KGAA·Filed 2000·Granted May 28, 2002·2 cites·20 claims
- 1956US2023175138A1Resource-saving method for zinc phosphating of a metal surfaceHENKEL AG & CO KGAA·Filed 2023·Application pending·0 cites
- 2053US11486044B2Method for zinc phosphating metal components in series so as to form layersHENKEL AG & CO KGAA·Filed 2019·Granted Nov 1, 2022·0 cites·18 claims
- 2153US11479865B2Method for zinc phosphating metal components in series in a sludge-free manner so as to form layersHENKEL AG & CO KGAA·Filed 2019·Granted Oct 25, 2022·0 cites·17 claims
- 2253US2021062356A1Conveying rack cleaning in an electrodeposition processHENKEL AG & CO KGAA·Filed 2020·Application pending·0 cites
- 2353US2022290303A1Resource-saving method for activating a metal surface prior to phosphatingHENKEL AG & CO KGAA·Filed 2022·Application pending·0 cites
- 2453US2022282381A1Resource-saving method for activating a metal surface prior to phosphatingHENKEL AG & CO KGAA·Filed 2022·Application pending·0 cites
- 2551US11118271B2Conveyor frame treatment for suppressing phosphate dragging resulting from the plant design in a dip coating process sequenceHENKEL AG & CO KGAA·Filed 2018·Granted Sep 14, 2021·0 cites·7 claims
- 2650US6447662B1Process for phosphatizing, rerinsing and cathodic electro-dipcoatingHENKEL KGAA·Filed 1999·Granted Sep 10, 2002·15 cites·11 claims
- 2750US6197126B1Nickel-free phosphating processHENKEL KGAA·Filed 1992·Granted Mar 6, 2001·14 cites·18 claims
- 2850US2019032224A1Suppression of phosphate dragging resulting from the plant design in a dip coating process sequenceHENKEL AG & CO KGAA·Filed 2018·Application pending·0 cites
- 2949US10443134B2Method for the selective removal of zinc ions from alkaline bath solutions in the serial surface treatment of metal componentsHENKEL AG & CO KGAA·Filed 2017·Granted Oct 15, 2019·0 cites·19 claims
- 3046US2009071573A1Phosphating solution with hydrogen peroxide and chelating carboxylic acidsBROUWER JAN-WILLEM·Filed 2008·Application pending·0 cites
- 3143US5792283ANickel-free phosphating processHENKEL KGAA·Filed 1994·Granted Aug 11, 1998·9 cites·24 claims
- 3242US10458022B2Optimized process control in the anti-corrosive metal pretreatment based on fluoride-containing bathsHENKEL AG & CO KGAA·Filed 2017·Granted Oct 29, 2019·0 cites·18 claims
- 3342US6379474B1Phosphating method accelerated by N-oxidesHENKEL KGAA·Filed 1998·Granted Apr 30, 2002·11 cites·21 claims
- 3436US2004054017A1Fractional regeneration of a weakly acidic ion exchanger loaded with bivalent metallic ionsFiled 2001·Application pending·0 cites
- 3535US2004037765A1Treatment of nickel-containing waste water on phosphatingFiled 2001·Application pending·0 cites
- 3630US9932677B2Method for corrosion-protective serial surface treatment of metallic componentsHENKEL AG & CO KGAA·Filed 2015·Granted Apr 3, 2018·0 cites·13 claims
- 3730US6464879B1Treatment of phosphatizing waste waterHENKEL KGAA·Filed 1998·Granted Oct 15, 2002·3 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →