Inventor
VAN DER WAL ROELF
NL12 patents
⚠️ This page may combine multiple inventors who share the name “VAN DER WAL ROELF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIPS CORP
6 patentsUS6044002AMar 28, 2000
Flyback converter with limited output power
PHILIPS CORP20 citations91
US6006656ADec 28, 1999
Toaster with power output control
PHILIPS CORP28 citations90
US6016261AJan 18, 2000
Switching voltage converter with synchronous rectification
PHILIPS CORP14 citations71
US5819637AOct 13, 1998
Toaster having heating elements whose heating area depends on the slice size
PHILIPS CORP8 citations71
US6051818AApr 18, 2000
Electric toaster with asymmetric heating effect
PHILIPS CORP9 citations66
US5758567AJun 2, 1998
Toaster with mains-power-on safety device
PHILIPS CORP6 citations60
VAN DER WAL ROELF
3 patentsUS8134352B2Mar 13, 2012
Switched mode power supply including power supply units and controller
VAN DER WAL ROELF3 citations59
US8063581B2Nov 22, 2011
Drive circuit for driving a load with pulsed current
VAN DER WAL ROELF4 citations55
US9049395B2Jun 2, 2015
Processing circuit for an X-ray sensor
VAN DER WAL ROELF1 citations48