Inventor · Jordan, MN, US

Bruce Johnson

30Patents
12h-index
20Co-inventors
81Inventor score

Filing activity: Oct 4, 1985 → Aug 31, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5742421A Split lens video display system Emerging Cross-Sectional Technologies 92 Expired
US5763787A Carrier assembly for fluid sensor Emerging Cross-Sectional Technologies 89 Expired
US6582039B2 Combination color inkjet and laser image-printing device with dual paper-picking mechanism and method of implementing same Performing Operations; Transporting 33 Expired
US6148681A Level probe with modular connection Electricity 29 Expired
US6778205B2 Methods and apparatuses for forming visible labels on objects using a writable optical disc drive Physics 29 Expired
US7268923B2 Document scanner for scanning books Electricity 28 Expired
US6563598B1 Method and apparatus for digital document control Electricity 27 Expired
US7182445B2 Replaceable printer component Performing Operations; Transporting 18 Expired
US7283544B2 Automatic network device route management Electricity 16 Expired
US7092646B2 Printing device and method for locating a media jam Physics 15 Expired
US6973597B2 Method and apparatus for rebooting a printer Physics 14 Expired
US7281130B2 Storing authentication sequences for expedited login to secure applications Electricity 14 Expired
US6793331B2 Imaging cartridge having a level indicator Performing Operations; Transporting 11 Expired
US4657597A Chimney cleaner Mechanical Engineering; Lighting; Heating 8 Expired
US7068401B2 Optical scanning apparatus having a carriage locking device Electricity 7 Expired
US7101014B2 Printer component Performing Operations; Transporting 6 Expired
US6567629B2 Cooling device for imaging apparatus Performing Operations; Transporting 6 Expired
US6764068B1 Document processing apparatus and method Performing Operations; Transporting 6 Expired
US7165675B2 Media wrapper and method of using the same Performing Operations; Transporting 5 Expired
US10766516B2 Modular carts Performing Operations; Transporting 5 Active
US6597889B2 Dual paper picking mechanism and method for increasing speed and reliability of paper path delivery Physics 4 Expired
US6608989B2 Media position retaining device Electricity 4 Expired
US6801723B2 Image-forming device having a patterned roller and a method for providing traceability of printed documents Physics 4 Expired
US7099522B2 Method to create and reconstruct image presentation system Electricity 3 Expired
US7136175B2 Printing device with delayed warm-up operation Emerging Cross-Sectional Technologies 3 Expired

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