Inventor · Snohomish, WA, US

Duane M. Fox

27Patents
12h-index
17Co-inventors
78Inventor score

Filing activity: Apr 8, 1991 → Jun 1, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5488223A System and method for automatic selection of printer control parameters Physics 267 Expired
US5781708A Integral bar code printer and reader system and method of operation Performing Operations; Transporting 170 Expired
US6280544A RF tag application system Emerging Cross-Sectional Technologies 107 Expired
US6802659B2 Arrangement for automatic setting of programmable devices and materials therefor Performing Operations; Transporting 101 Expired
US5564841A System and method for dynamic adjustment of bar code printer parameters Physics 93 Expired
US5820280A Printer with variable torque distribution Emerging Cross-Sectional Technologies 53 Expired
US6645327B2 RF tag application system Emerging Cross-Sectional Technologies 39 Expired
US5206662A Method and apparatus for adjusting contact pressure of a thermal printhead Performing Operations; Transporting 38 Expired
US7846228B1 Liquid particulate extraction device Physics 33 Active
US5486063A Method and apparatus for sensing the length of label or tag media by detecting changes in relative thickness Physics 26 Expired
US5438349A Thermal printer label gap sensor and method for controlling same Performing Operations; Transporting 16 Expired
US5813305A Strip cutter for adhesive-backed media Emerging Cross-Sectional Technologies 12 Expired
US5940107A Method and apparatus for printing on a linerless media using a temporary liner in the print zone Performing Operations; Transporting 11 Expired
US8057608B1 Extraction device and methods Performing Operations; Transporting 10 Active
US6068418A Media guiding apparatus for a printer Performing Operations; Transporting 10 Expired
US8142570B1 Extraction device and methods Performing Operations; Transporting 9 Active
US5859656A Apparatus for providing back tension on a print media web Performing Operations; Transporting 7 Expired
US5601373A Spur gear ratchet mechanism for thermal transfer printer Emerging Cross-Sectional Technologies 6 Expired
US5562034A Media roll braking system for a thermal label printer Performing Operations; Transporting 5 Expired
US5927876A Media guiding apparatus and method for a printer Performing Operations; Transporting 4 Expired
US5593238A Method and apparatus for controlling transport of thermal transfer ribbon Performing Operations; Transporting 4 Expired
US6135001A Strip cutter for adhesive-backed media Emerging Cross-Sectional Technologies 3 Expired
US10197558B1 Environmental sampling and assay device Physics 2 Active
US8012229B1 Liquid particulate extraction device Physics 2 Active
US5636927A Method and apparatus for thermally printing on linerless media without a platen roller/surface Performing Operations; Transporting 1 Expired

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