JL

John C. Leisner

Illinois Tool Works: 20 patents #113 of 4,258Top 3%
CO Comcast: 1 patents #2,409 of 4,447Top 55%
Overall (All Time): #199,819 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12208474 Systems and methods for selecting a welding process James Francis Rappl, Jeffery R. Ihde, Kenneth A. Stanzel 2025-01-28
11499557 Portable air compressor/generator control method and system Eric M. Kropp 2022-11-15
11376642 Fume evacuation system Brian J. Hammers, Allan T. Hilbert 2022-07-05
11027356 Welder generator engine speed control Randall J. DuVal, Daniel C. Fosbinder, Nathan Joe Jochman, Christopher J. Wierschke 2021-06-08
10807181 Systems and methods for selecting a welding process James Francis Rappl, Jeffery R. Ihde, Kenneth A. Stanzel 2020-10-20
10144082 Welder generator engine speed control Randall J. DuVal, Daniel C. Fosbinder, Nathan Joe Jochman, Christopher J. Wierschke 2018-12-04
9902008 Systems and methods for selecting a welding process James Francis Rappl, Jeffery R. Ihde, Kenneth A. Stanzel 2018-02-27
9839948 Fume evacuation system Brian J. Hammers, Allan T. Hilbert 2017-12-12
9604302 Welder generator engine speed control Randall J. DuVal, Daniel C. Fosbinder, Nathan Joe Jochman, Christopher J. Wierschke 2017-03-28
9266183 Welder generator engine speed control Randall J. DuVal, Daniel C. Fosbinder, Nathan Joe Jochman, Christopher J. Wierschke 2016-02-23
9000328 Servicing arrangement for a portable air compressor/generator Joseph N. Helf, Nathan Joe Jochman, John Patrick Laitala 2015-04-07
8604385 Portable air compressor/generator control method and system Eric M. Kropp 2013-12-10
7870915 Auxiliary service pack for a work vehicle Richard Beeson, Benjamin G. Peotter 2011-01-18
7739997 Remote drain and filter arrangement for a portable generator system 2010-06-22
7411154 Control panel for a welding-type apparatus Daniel C. Fosbinder 2008-08-12
7265319 Multifunction meter for welding apparatus Daniel C. Fosbinder 2007-09-04
7211764 Engine driven welder/generator with high power accessory output operable at lower engine speeds Daniel C. Fosbinder, Randy Du Val 2007-05-01
6603097 Method and apparatus for controlling engine speed of a welding generator Daniel C. Fosbinder 2003-08-05
6528765 Engine driven welder with field current boost Tom Bunker 2003-03-04
6359259 Engine driven welder with field current boost Tom Bunker 2002-03-19
5884563 Ride attraction system for the physically disabled Benjamin Sheldon, Leo Kohler, Rene Ploum, David Danon, Neil R. Engel +6 more 1999-03-23