Inventor
ACHTNER RICHARD MARK
US11 patents
⚠️ This page may combine multiple inventors who share the name “ACHTNER RICHARD MARK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ILLINOIS TOOL WORKS
9 patentsUS6489591B1Dec 3, 2002
Cooling air circuits for welding machine
ILLINOIS TOOL WORKS84 citations96
US7422452B2Sep 9, 2008
Power plug adapter
ILLINOIS TOOL WORKS32 citations91
US6633485B1Oct 14, 2003
Snap-in heat sink for semiconductor mounting
ILLINOIS TOOL WORKS34 citations91
US6720527B2Apr 13, 2004
Power cord for a welding-type power supply
ILLINOIS TOOL WORKS17 citations82
US8026456B2Sep 27, 2011
TIG welding system and method
ILLINOIS TOOL WORKS7 citations80
US10406624B2Sep 10, 2019
Methods and apparatus to switch a weld power output
ILLINOIS TOOL WORKS1 citations68
US6337789B1Jan 8, 2002
Spark gap assembly for welding power supply
ILLINOIS TOOL WORKS4 citations61
US12377488B2Aug 5, 2025
Methods and apparatus to switch a weld power output
ILLINOIS TOOL WORKS0 citations58
US11819960B2Nov 21, 2023
Methods and apparatus to switch a weld power output
ILLINOIS TOOL WORKS0 citations58