Inventor · Hanover, NH, US

Stephen T. Eickhoff

18Patents
9h-index
28Co-inventors
72Inventor score

Filing activity: Aug 1, 1997 → Jan 11, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6084199A Plasma arc torch with vented flow nozzle retainer Electricity 86 Expired
US5886315A Blow forward contact start plasma arc torch with distributed nozzle support Electricity 82 Expired
US8115136B2 Electrode for a contact start plasma arc torch and contact start plasma arc torch employing such electrodes Electricity 54 Active
US8035055B2 Electrode for a contact start plasma arc torch and contact start plasma arc torch employing such electrodes Electricity 52 Active
US8624150B2 Adapter for a plasma arc torch Electricity 38 Active
US8101882B2 Plasma torch electrode with improved insert configurations Electricity 23 Active
US8546718B2 Electrode for a contact start plasma arc torch and contact start plasma arc torch employing such electrodes Electricity 20 Active
US8541712B2 Electrode for a contact start plasma arc torch and contact start plasma arc torch employing such electrodes Electricity 19 Active
US6472631B1 Strain relief mechanism for a plasma arc torch Electricity 18 Expired
US6852943B2 Strain relief mechanism for a plasma arc torch Electricity 8 Expired
US11684995B2 Cost effective cartridge for a plasma arc torch Electricity 4 Active
US10335888B2 Swirl ring and contact element for a plasma arc torch cartridge Electricity 3 Active
US10912183B2 Swirl ring and contact element for a plasma arc torch cartridge Electricity 3 Active
US11432393B2 Cost effective cartridge for a plasma arc torch Electricity 3 Active
US9736918B2 Electrode for a contact start plasma arc torch and contact start plasma arc torch employing such electrodes Electricity 2 Active
US9908195B2 Plasma cutting system with efficient components Electricity 2 Active
US8927895B2 Method and apparatus for sensing the length of a lead Performing Operations; Transporting 0 Active
US12280441B2 Swirl ring and contact element for a plasma arc torch cartridge Electricity 0 Active

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