Inventor
GEISSLER STEVEN J
US24 patents
⚠️ This page may combine multiple inventors who share the name “GEISSLER STEVEN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ILLINOIS TOOL WORKS
10 patentsUS6329636B1Dec 11, 2001
Method and apparatus for receiving a universal input voltage in a welding plasma or heating power source
ILLINOIS TOOL WORKS142 citations99
US6987242B2Jan 17, 2006
Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source
ILLINOIS TOOL WORKS74 citations98
US6815639B2Nov 9, 2004
Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source
ILLINOIS TOOL WORKS51 citations96
US6043471AMar 28, 2000
Multiple head inductive heating system
ILLINOIS TOOL WORKS131 citations96
US5783799AJul 21, 1998
Series resonant converter, and method and apparatus for control thereof
ILLINOIS TOOL WORKS76 citations96
US6107602AAug 22, 2000
Switchable power supply with electronically controlled output curve and adaptive hot start
ILLINOIS TOOL WORKS67 citations95
US5824990AOct 20, 1998
Power selection and protection circuit for inverter power supply
ILLINOIS TOOL WORKS85 citations95
US7235759B2Jun 26, 2007
Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source
ILLINOIS TOOL WORKS29 citations92
US6384373B1May 7, 2002
Welding power supply having improved supplemental power circuit
ILLINOIS TOOL WORKS40 citations92
US5714731AFeb 3, 1998
Welding power supply arc starter
ILLINOIS TOOL WORKS20 citations89
ADVANCED ENERGY IND INC
5 patentsUS7005845B1Feb 28, 2006
Power measurement mechanism for a transformer coupled plasma source
ADVANCED ENERGY IND INC55 citations96
US6819096B2Nov 16, 2004
Power measurement mechanism for a transformer coupled plasma source
ADVANCED ENERGY IND INC46 citations96
US6822396B2Nov 23, 2004
Transformer ignition circuit for a transformer coupled plasma source
ADVANCED ENERGY IND INC45 citations95
US7245084B1Jul 17, 2007
Transformer ignition circuit for a transformer coupled plasma source
ADVANCED ENERGY IND INC41 citations92
US6911789B2Jun 28, 2005
Power supply for a hot-filament cathode
ADVANCED ENERGY IND INC2 citations58
KAUFMAN & ROBINSON INC
4 patentsUS11823867B2Nov 21, 2023
Load current derived switch timing of switching resonant topology
KAUFMAN & ROBINSON INC4 citations74
US12112919B2Oct 8, 2024
Load current derived switch timing of switching resonant topology
KAUFMAN & ROBINSON INC2 citations73
US12413148B2Sep 9, 2025
Power efficient load current derived switch timing of switching resonant topology
KAUFMAN & ROBINSON INC0 citations62
US7843138B2Nov 30, 2010
Power supply for a hot-filament cathode
KAUFMAN & ROBINSON INC0 citations52
GEISSLER STEVEN J
3 patentsUS7778056B2Aug 17, 2010
Power converter with low loss switching
GEISSLER STEVEN J31 citations94
US9162310B2Oct 20, 2015
Enhanced power factor correction for welding and cutting power supplies
GEISSLER STEVEN J3 citations60
US9789559B2Oct 17, 2017
System and method for controlling multiple processes in a welding-type power source using a refined controller architecture
GEISSLER STEVEN J1 citations50