Inventor · disambiguated record
Mark Richard Christopher
Also filed as: CHRISTOPHER MARK · CHRISTOPHER MARK R · CHRISTOPHER MARK RICHARD
22 granted patents·10 pending applications·164 citations·filing 1999–2025
94Inventor score
Files withILLINOIS TOOL WORKS22CHRISTOPHER MARK R4CHRISTOPHER MARK RICHARD3CHRISTOPHER MARK1ILLINOIS TOOK WORKS INC1
Top patents by PatentIndex Score
32 records- 0194US6781095B2Method and apparatus for welding with a trigger holdILLINOIS TOOL WORKS·Filed 2002·Granted Aug 24, 2004·57 cites·15 claims
- 0290US7767934B2Torch feed roll adjustment leverILLINOIS TOOK WORKS INC·Filed 2005·Granted Aug 3, 2010·23 cites·12 claims
- 0383US12378093B2Wire spool rotation resistance adjusters and wire feed assemblies having adjustable wire spool rotation resistanceILLINOIS TOOL WORKS·Filed 2022·Granted Aug 5, 2025·1 cites·14 claims
- 0483US11660695B2Welding power supplies, wire feeders, and systems to measure a weld cable voltage dropILLINOIS TOOL WORKS·Filed 2017·Granted May 30, 2023·2 cites·23 claims
- 0582US9403234B2Wire feeding systems and devicesILLINOIS TOOL WORKS·Filed 2012·Granted Aug 2, 2016·6 cites·15 claims
- 0681US6114657AMethod and apparatus for welding with a trigger holdILLINOIS TOOL WORKS·Filed 1999·Granted Sep 5, 2000·33 cites·45 claims
- 0778US9073139B2Wire electrode drive pressure adjustment system and methodCHRISTOPHER MARK RICHARD·Filed 2006·Granted Jul 7, 2015·8 cites·20 claims
- 0877US7465902B2Wire feed control assemblyILLINOIS TOOL WORKS·Filed 2005·Granted Dec 16, 2008·5 cites·6 claims
- 0974US12318873B2Welding systems with a rolling support base having a brakeILLINOIS TOOL WORKS·Filed 2022·Granted Jun 3, 2025·0 cites·7 claims
- 1074US2025262693A1Welding systems with a rolling support base having a brakeILLINOIS TOOL WORKS·Filed 2025·Application pending·0 cites
- 1172US10315269B2Welding wire feeder with tongue and groove featureCHRISTOPHER MARK RICHARD·Filed 2011·Granted Jun 11, 2019·2 cites·17 claims
- 1272US8269143B2Wire feed control assemblyCHRISTOPHER MARK R·Filed 2008·Granted Sep 18, 2012·4 cites·8 claims
- 1372US2025073802A1Systems and methods for utilizing discrete input controls for push-pull guns/torches, spool guns/torches, mig (gtaw) torches, and/or tig (gtaw) torchesILLINOIS TOOL WORKS·Filed 2024·Application pending·0 cites
- 1471US9102000B2Pushbutton wire guide holder for a welding wire feederMATIASH NICHOLAS ALEXANDER·Filed 2011·Granted Aug 11, 2015·2 cites·20 claims
- 1569US7723644B2Torch having multi-path gas delivery systemILLINOIS TOOL WORKS·Filed 2005·Granted May 25, 2010·3 cites·20 claims
- 1668US9254984B2Welding wire feeder with improved wire guideCHRISTOPHER MARK RICHARD·Filed 2012·Granted Feb 9, 2016·2 cites·17 claims
- 1763US12134152B2Welding wire feeder with tongue and groove featureILLINOIS TOOL WORKS·Filed 2019·Granted Nov 5, 2024·0 cites·20 claims
- 1862US2025023259A1Electrically insulated hand clampsILLINOIS TOOL WORKS·Filed 2024·Application pending·0 cites
- 1960US10384294B2Method and device for controlling current flow through a welding clampCHRISTOPHER MARK R·Filed 2011·Granted Aug 20, 2019·2 cites·19 claims
- 2060US6933467B2Method and apparatus for welding with a trigger holdILLINOIS TOOL WORKS·Filed 2004·Granted Aug 23, 2005·5 cites·17 claims
- 2159US6476355B1Method and apparatus for welding with a triggerILLINOIS TOOL WORKS·Filed 2000·Granted Nov 5, 2002·5 cites·24 claims
- 2257US11897059B2Current limiting secondary contactILLINOIS TOOL WORKS·Filed 2019·Granted Feb 13, 2024·0 cites·20 claims
- 2356US2022347783A1Welding system with support baseILLINOIS TOOL WORKS·Filed 2022·Application pending·0 cites
- 2450US2008283505A1Welding torch cable strain relief system and methodILLINOIS TOOL WORKS·Filed 2007·Application pending·0 cites
- 2548US6809286B2Shielding gas filter for welding apparatusILLINOIS TOOL WORKS·Filed 2002·Granted Oct 26, 2004·4 cites·33 claims
- 2647US2019351501A1Welding power supplies and user interfaces for welding power suppliesILLINOIS TOOL WORKS·Filed 2019·Application pending·0 cites
- 2744US10807183B2Welding remote power supply connectionILLINOIS TOOL WORKS·Filed 2016·Granted Oct 20, 2020·0 cites·20 claims
- 2844US2022258271A1Multiple Position Wire Feed Spool Delivery SystemILLINOIS TOOL WORKS·Filed 2022·Application pending·0 cites
- 2941US2012152925A1Welding wire feeder with improved wire guideCHRISTOPHER MARK R·Filed 2011·Application pending·0 cites
- 3041US2006278626A1Torch headtube assemblyCHRISTOPHER MARK R·Filed 2005·Application pending·0 cites
- 3141US2015336220A1Running gear system for portable wire feederILLINOIS TOOL WORKS·Filed 2014·Application pending·0 cites
- 3226USD952735SGuitar pickCHRISTOPHER MARK·Filed 2020·Granted May 24, 2022·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →