YW

Ytsen Wielstra

Koniniklijke Philips N.V.: 10 patents #729 of 7,486Top 10%
Philips: 6 patents #792 of 7,731Top 15%
U.S. Philips: 4 patents #1,244 of 8,851Top 15%
Overall (All Time): #220,254 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
11465921 Electrosorption purification system with battery driven regeneration Alwin Rogier Martijn Verschueren, Joldert Maria Boersma, Klaas Kooijker, Gertrude Rioette Van Der Kamp, Paulus Cornelis Duineveld +1 more 2022-10-11
11255043 Ironing system with steam promoter coating 2022-02-22
10858778 Treatment plate for a garment treatment appliance Lanying Ji, Jiecong Tang 2020-12-08
10314110 Electrochemical descaling by pulsed signal reversal Johannes Hotze Bernhard De Vries, Bernardo Arnoldus Mulder, Nienke Cornelie De Vries-Arentsen 2019-06-04
10077907 Electrochemical descaling by pulsed signal reversal Johannes Hotze Bernhard De Vries, Bernardo Arnoldus Mulder, Nienke Cornelie De Vries-Arentsen 2018-09-18
9986600 Prevention or reduction of scaling on a heater element of a water heater 2018-05-29
9765476 Treatment plate for a garment treatment appliance Jiecong Tang, Ya-Ling Lee, Sabrina May Fong Khoo, Lihong Zhao 2017-09-19
9562316 Treatment plate for a garment treatment appliance Jiecong Tang, Ya-Ling Lee, Sabrina May Fong Khoo 2017-02-07
9347684 Prevention or reduction of scaling on a heater element of a water heater 2016-05-24
8561328 Steam generating device provided with a hydrophilic coating 2013-10-22
8453360 Steam generating device provided with a hydrophilic coating 2013-06-04
7250218 Method of providing a marking on a substrate Jan Auke Hovius, Dirk Teeuw, Jolanda Winkel 2007-07-31
6869684 Protection of a surface by partially subjecting it to an electrochemical treatment Sjoerd Johannes Franciscus Brattinga, Hans Kuiper, Mattheus Franciscus Langedijk 2005-03-22
6828032 Insulating layer for a heating element Jolanda Winkel, Rene Henk Van Der Woude 2004-12-07
6685816 Protection of a surface by partially subjecting it to an electrochemical treatment Sjoerd Johannes Franciscus Brattinga, Hans Kuiper, Mattheus Franciscus Langedijk 2004-02-03
6627247 Method of providing a marking on a substrate Jan Auke Hovius, Dirk Teeuw, Jolanda Winkel 2003-09-30
6331206 Lacquer composition Jolanda Winkel 2001-12-18
6015623 Utensil for personal care 2000-01-18
5694001 Picture display device provided with an automatic selectively transmissive coating 1997-12-02
5554196 Method of marking a surface of an object by means of a laser light 1996-09-10