Inventor · disambiguated record
John C. Leisner
Also filed as: LEISNER JOHN · LEISNER JOHN C
21 granted patents·2 pending applications·233 citations·filing 1996–2020
95Inventor score
Top patents by PatentIndex Score
23 records- 0195US7411154B2Control panel for a welding-type apparatusILLINOIS TOOL WORKS·Filed 2005·Granted Aug 12, 2008·37 cites·18 claims
- 0294US7870915B2Auxiliary service pack for a work vehicleILLINOIS TOOL WORKS·Filed 2007·Granted Jan 18, 2011·42 cites·25 claims
- 0393US9902008B2Systems and methods for selecting a welding processILLINOIS TOOL WORKS·Filed 2014·Granted Feb 27, 2018·8 cites·20 claims
- 0490US10807181B2Systems and methods for selecting a welding processILLINOIS TOOL WORKS·Filed 2018·Granted Oct 20, 2020·2 cites·20 claims
- 0589US9266183B2Welder generator engine speed controlILLINOIS TOOL WORKS·Filed 2013·Granted Feb 23, 2016·6 cites·20 claims
- 0687US9839948B2Fume evacuation systemILLINOIS TOOL WORKS·Filed 2013·Granted Dec 12, 2017·7 cites·19 claims
- 0785US6603097B2Method and apparatus for controlling engine speed of a welding generatorILLINOIS TOOL WORKS·Filed 2001·Granted Aug 5, 2003·33 cites·40 claims
- 0884US11376642B2Fume evacuation systemILLINOIS TOOL WORKS·Filed 2017·Granted Jul 5, 2022·2 cites·11 claims
- 0980US7739997B2Remote drain and filter arrangement for a portable generator systemILLINOIS TOOL WORKS·Filed 2006·Granted Jun 22, 2010·11 cites·17 claims
- 1077US12208474B2Systems and methods for selecting a welding processILLINOIS TOOL WORKS·Filed 2020·Granted Jan 28, 2025·0 cites·8 claims
- 1175US7211764B2Engine driven welder/generator with high power accessory output operable at lower engine speedsILLINOIS TOOL WORKS·Filed 2004·Granted May 1, 2007·21 cites·28 claims
- 1272US11027356B2Welder generator engine speed controlILLINOIS TOOL WORKS·Filed 2018·Granted Jun 8, 2021·0 cites·21 claims
- 1370US8604385B2Portable air compressor/generator control method and systemLEISNER JOHN C·Filed 2007·Granted Dec 10, 2013·4 cites·12 claims
- 1466US10144082B2Welder generator engine speed controlILLINOIS TOOL WORKS·Filed 2017·Granted Dec 4, 2018·0 cites·19 claims
- 1564US9000328B2Servicing arrangement for a portable air compressor/generatorHELF JOSEPH N·Filed 2007·Granted Apr 7, 2015·3 cites·25 claims
- 1663US9604302B2Welder generator engine speed controlILLINOIS TOOL WORKS·Filed 2016·Granted Mar 28, 2017·0 cites·20 claims
- 1763US6528765B2Engine driven welder with field current boostILLINOIS TOOL WORKS·Filed 2001·Granted Mar 4, 2003·10 cites·17 claims
- 1857US11499557B2Portable air compressor/generator control method and systemILLINOIS TOOL WORKS·Filed 2013·Granted Nov 15, 2022·0 cites·20 claims
- 1953US5884563ARide attraction system for the physically disabledUNIVERSAL CITY STUDIOS INC·Filed 1996·Granted Mar 23, 1999·33 cites·22 claims
- 2050US7265319B2Multifunction meter for welding apparatusILLINOIS TOOL WORKS·Filed 2004·Granted Sep 4, 2007·3 cites·24 claims
- 2149US2008047522A1Low fuel shut off for a portable welder generatorILLINOIS TOOL WORKS·Filed 2006·Application pending·0 cites
- 2247US2019351501A1Welding power supplies and user interfaces for welding power suppliesILLINOIS TOOL WORKS·Filed 2019·Application pending·0 cites
- 2345US6359259B1Engine driven welder with field current boostILLINOIS TOOL WORKS·Filed 1999·Granted Mar 19, 2002·11 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →