Inventor · disambiguated record
Ytsen Wielstra
Also filed as: WIELSTRA YTSEN
20 granted patents·7 pending applications·53 citations·filing 1995–2018
92Inventor score
Top patents by PatentIndex Score
27 records- 0180US9347684B2Prevention or reduction of scaling on a heater element of a water heaterWIELSTRA YTSEN·Filed 2011·Granted May 24, 2016·4 cites·18 claims
- 0276US5554196AMethod of marking a surface of an object by means of a laser lightPHILIPS CORP·Filed 1995·Granted Sep 10, 1996·8 cites·17 claims
- 0373US9986600B2Prevention or reduction of scaling on a heater element of a water heaterWIELSTRA YTSEN·Filed 2011·Granted May 29, 2018·3 cites·17 claims
- 0473US8453360B2Steam generating device provided with a hydrophilic coatingWIELSTRA YTSEN·Filed 2008·Granted Jun 4, 2013·3 cites·13 claims
- 0569US10077907B2Electrochemical descaling by pulsed signal reversalKONINKLIJKE PHILIPS NV·Filed 2014·Granted Sep 18, 2018·1 cites·11 claims
- 0668US6685816B1Protection of a surface by partially subjecting it to an electrochemical treatmentKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Feb 3, 2004·7 cites·12 claims
- 0764US9562316B2Treatment plate for a garment treatment applianceKONINKLIJKE PHILIPS NV·Filed 2014·Granted Feb 7, 2017·1 cites·23 claims
- 0862US9765476B2Treatment plate for a garment treatment applianceKONINKLIJKE PHILIPS NV·Filed 2014·Granted Sep 19, 2017·0 cites·13 claims
- 0961US6828032B2Insulating layer for a heating elementKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Dec 7, 2004·10 cites·19 claims
- 1059US11255043B2Ironing system with steam promoter coatingKONINKLIJKE PHILIPS NV·Filed 2017·Granted Feb 22, 2022·0 cites·12 claims
- 1156US8561328B2Steam generating device provided with a hydrophilic coatingWIELSTRA YTSEN·Filed 2008·Granted Oct 22, 2013·1 cites·20 claims
- 1254US6627247B1Method of providing a marking on a substrateKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Sep 30, 2003·2 cites·7 claims
- 1353US10314110B2Electrochemical descaling by pulsed signal reversalKONINKLIJKE PHILIPS NV·Filed 2014·Granted Jun 4, 2019·0 cites·18 claims
- 1453US2008295760A1Magnetic Actuated Wear Indicator for Personal Care AppliancesKONINKL PHILIPS ELECTRONICS NV·Filed 2006·Application pending·0 cites
- 1550US10858778B2Treatment plate for a garment treatment applianceKONINKLIJKE PHILIPS NV·Filed 2017·Granted Dec 8, 2020·0 cites·20 claims
- 1650US2020095446A1Coating composition, coating and articleKONINKLIJKE PHILIPS NV·Filed 2018·Application pending·0 cites
- 1746US6869684B2Protection of a surface by partially subjecting it to an electrochemical treatmentKONINKL PHILIPS ELECTRONICS NV·Filed 2004·Granted Mar 22, 2005·0 cites·20 claims
- 1846US2011299840A1Electrical water heating systemWIELSTRA YTSEN·Filed 2010·Application pending·0 cites
- 1946US2008318008A1Method and Apparatus for Application of a Pattern, Element and Device Provided with Such a PatternKONINKL PHILIPS ELECTRONICS NV·Filed 2005·Application pending·0 cites
- 2045US7250218B2Method of providing a marking on a substrateKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Granted Jul 31, 2007·0 cites·23 claims
- 2143US11465921B2Electrosorption purification system with battery driven regenerationKONINKLIJKE PHILIPS NV·Filed 2016·Granted Oct 11, 2022·0 cites·14 claims
- 2238US2005260421A1Utensil and use of a sol gel coating on such a utensilWIELSTRA YTSEN·Filed 2003·Application pending·0 cites
- 2336US6015623AUtensil for personal carePHILIPS CORP·Filed 1997·Granted Jan 18, 2000·5 cites·7 claims
- 2436US5694001APicture display device provided with an automatic selectively transmissive coatingPHILIPS CORP·Filed 1995·Granted Dec 2, 1997·3 cites·21 claims
- 2536US2002120059A1Method of preparing a lacquer compositionFiled 2002·Application pending·0 cites
- 2633US6331206B1Lacquer compositionPHILIPS CORP·Filed 1997·Granted Dec 18, 2001·5 cites·48 claims
- 2733US2001041766A1Lacquer compositionFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →