Inventor

WIELSTRA YTSEN

NL20 patents

⚠️ This page may combine multiple inventors who share the name “WIELSTRA YTSEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WIELSTRA YTSEN

KONINKLIJKE PHILIPS NV

Ironing system with steam promoter coating

Treatment plate for a garment treatment appliance

Electrochemical descaling by pulsed signal reversal

Treatment plate for a garment treatment appliance

Electrosorption purification system with battery driven regeneration

Treatment plate for a garment treatment appliance

Electrochemical descaling by pulsed signal reversal

KONINKL PHILIPS ELECTRONICS NV

Insulating layer for a heating element

Protection of a surface by partially subjecting it to an electrochemical treatment

Method of providing a marking on a substrate

Protection of a surface by partially subjecting it to an electrochemical treatment

Method of providing a marking on a substrate

PHILIPS CORP

Method of marking a surface of an object by means of a laser light

Utensil for personal care

Picture display device provided with an automatic selectively transmissive coating

Lacquer composition

WIELSTRA YTSEN

Prevention or reduction of scaling on a heater element of a water heater

Prevention or reduction of scaling on a heater element of a water heater

Steam generating device provided with a hydrophilic coating

Steam generating device provided with a hydrophilic coating