Inventor
LEISNER JOHN C
US18 patents
⚠️ This page may combine multiple inventors who share the name “LEISNER JOHN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ILLINOIS TOOL WORKS
16 patentsUS7870915B2Jan 18, 2011
Auxiliary service pack for a work vehicle
ILLINOIS TOOL WORKS42 citations92
US7411154B2Aug 12, 2008
Control panel for a welding-type apparatus
ILLINOIS TOOL WORKS37 citations92
US6603097B2Aug 5, 2003
Method and apparatus for controlling engine speed of a welding generator
ILLINOIS TOOL WORKS33 citations92
US7211764B2May 1, 2007
Engine driven welder/generator with high power accessory output operable at lower engine speeds
ILLINOIS TOOL WORKS21 citations88
US7739997B2Jun 22, 2010
Remote drain and filter arrangement for a portable generator system
ILLINOIS TOOL WORKS11 citations83
US9902008B2Feb 27, 2018
Systems and methods for selecting a welding process
ILLINOIS TOOL WORKS8 citations82
US9266183B2Feb 23, 2016
Welder generator engine speed control
ILLINOIS TOOL WORKS6 citations81
US9839948B2Dec 12, 2017
Fume evacuation system
ILLINOIS TOOL WORKS7 citations80
US10807181B2Oct 20, 2020
Systems and methods for selecting a welding process
ILLINOIS TOOL WORKS2 citations71
US11376642B2Jul 5, 2022
Fume evacuation system
ILLINOIS TOOL WORKS2 citations69
US7265319B2Sep 4, 2007
Multifunction meter for welding apparatus
ILLINOIS TOOL WORKS3 citations62
US12208474B2Jan 28, 2025
Systems and methods for selecting a welding process
ILLINOIS TOOL WORKS0 citations60
US11499557B2Nov 15, 2022
Portable air compressor/generator control method and system
ILLINOIS TOOL WORKS0 citations60
US11027356B2Jun 8, 2021
Welder generator engine speed control
ILLINOIS TOOL WORKS0 citations58
US9604302B2Mar 28, 2017
Welder generator engine speed control
ILLINOIS TOOL WORKS0 citations49
US10144082B2Dec 4, 2018
Welder generator engine speed control
ILLINOIS TOOL WORKS0 citations48