Inventor · Barcelona, ES

Brian Canfield

20Patents
18h-index
37Co-inventors
77Inventor score

Filing activity: Dec 23, 1992 → Aug 16, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6076913A Optical encoding of printhead service module Performing Operations; Transporting 114 Expired
US7018365B2 Threaded syringe with quick stop Human Necessities 57 Expired
US6241347A Inkjet printing with replaceable set of ink-related components (printhead/service module/ink supply) for each color of ink Performing Operations; Transporting 53 Expired
US5600351A Inkjet printer with increased print resolution in the carriage scan axis Performing Operations; Transporting 43 Expired
US5541625A Method for increased print resolution in the carriage scan axis of an inkjet printer Performing Operations; Transporting 38 Expired
US5528269A Servicing a newly-installed ink pen to eliminate uneven print quality without excessive wasting of ink Performing Operations; Transporting 35 Expired
US5428376A Thermal turn on energy test for an inkjet printer Performing Operations; Transporting 34 Expired
US5526027A Thermal turn on energy test for an inkjet printer Performing Operations; Transporting 33 Expired
US5726690A Control of ink drop volume in thermal inkjet printheads by varying the pulse width of the firing pulses Performing Operations; Transporting 32 Expired
US6199973A Storage container for inkjet cartridges having removable capping means and a method for storing inkjet cartridges Performing Operations; Transporting 31 Expired
US6193353A Translational inkjet servicing module with multiple functions Performing Operations; Transporting 28 Expired
US6179401A Multi-component installation feedback system for replacement print cartridges, valve holders, and service station cassettes for on board ink delivery systems replenishment Performing Operations; Transporting 27 Expired
US5682185A Energy measurement scheme for an ink jet printer Performing Operations; Transporting 25 Expired
US6042216A Replaceable printhead servicing module with multiple functions (wipe/cap/spit/prime) Performing Operations; Transporting 24 Expired
US5455613A Thin film resistor printhead architecture for thermal ink jet pens Performing Operations; Transporting 23 Expired
USD423564S Printhead service station General 20 Expired
US5342133A Paper moving system for a printer/plotter Physics 20 Expired
US5673069A Method and apparatus for reducing the size of drops ejected from a thermal ink jet printhead Performing Operations; Transporting 19 Expired
US6189995A Manually replaceable printhead servicing module for each different inkjet printhead Performing Operations; Transporting 10 Expired
US6139135A Inkjet printing with replaceable set of ink-related components (printhead/service module/ink supply) for each color of ink Performing Operations; Transporting 7 Expired

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