Brian Canfield
20Patents
18h-index
37Co-inventors
77Inventor score
Filing activity: Dec 23, 1992 → Aug 16, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.