Inventor · Neenah, WI, US

Mark Richard Christopher

22Patents
5h-index
22Co-inventors
69Inventor score

Filing activity: Apr 1, 1999 → Jun 30, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6781095B2 Method and apparatus for welding with a trigger hold Performing Operations; Transporting 47 Expired
US6114657A Method and apparatus for welding with a trigger hold Performing Operations; Transporting 21 Expired
US7767934B2 Torch feed roll adjustment lever Performing Operations; Transporting 19 Active
US9073139B2 Wire electrode drive pressure adjustment system and method Performing Operations; Transporting 6 Active
US6933467B2 Method and apparatus for welding with a trigger hold Performing Operations; Transporting 5 Expired
US8269143B2 Wire feed control assembly Performing Operations; Transporting 3 Active
US7723644B2 Torch having multi-path gas delivery system Performing Operations; Transporting 3 Active
US6476355B1 Method and apparatus for welding with a trigger Performing Operations; Transporting 2 Expired
US9102000B2 Pushbutton wire guide holder for a welding wire feeder Performing Operations; Transporting 2 Active
US9254984B2 Welding wire feeder with improved wire guide Performing Operations; Transporting 2 Active
US6809286B2 Shielding gas filter for welding apparatus Performing Operations; Transporting 2 Expired
US7465902B2 Wire feed control assembly Performing Operations; Transporting 2 Expired
US9403234B2 Wire feeding systems and devices Performing Operations; Transporting 1 Active
US10384294B2 Method and device for controlling current flow through a welding clamp Emerging Cross-Sectional Technologies 1 Active
US10315269B2 Welding wire feeder with tongue and groove feature Performing Operations; Transporting 1 Active
US11660695B2 Welding power supplies, wire feeders, and systems to measure a weld cable voltage drop Performing Operations; Transporting 0 Active
US12318873B2 Welding systems with a rolling support base having a brake Performing Operations; Transporting 0 Active
US12378093B2 Wire spool rotation resistance adjusters and wire feed assemblies having adjustable wire spool rotation resistance Performing Operations; Transporting 0 Active
USD952735S1 Guitar pick General 0 Active
US12134152B2 Welding wire feeder with tongue and groove feature Performing Operations; Transporting 0 Active
US10807183B2 Welding remote power supply connection Performing Operations; Transporting 0 Active
US11897059B2 Current limiting secondary contact Performing Operations; Transporting 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.