Inventor
VAN DER GRAAF TIMOTHY
NL3 patents
Patents
3 patentsUS10596291B2Mar 24, 2020
Effective anti-bacteria and anti-viral air treatment device
KONINKLIJKE PHILIPS NV6 citations64
US9587844B2Mar 7, 2017
Humidifier and a method of monitoring the water level in the humidifier
KONINKLIJKE PHILIPS NV1 citations44
US11280705B2Mar 22, 2022
System and method for measuring a concentration of a pollutant within a gas
KONINKLIJKE PHILIPS NV0 citations43