Inventor · disambiguated record
Brian Canfield
Also filed as: CANFIELD BRIAN · CANFIELD BRIAN P
20 granted patents·961 citations·filing 1992–2002
97Inventor score
Top patents by PatentIndex Score
20 records- 0195US6241347B1Inkjet printing with replaceable set of ink-related components (printhead/service module/ink supply) for each color of inkHEWLETT PACKARD CO·Filed 2000·Granted Jun 5, 2001·106 cites·16 claims
- 0292US6076913AOptical encoding of printhead service moduleHEWLETT PACKARD CO·Filed 1997·Granted Jun 20, 2000·98 cites·37 claims
- 0388US6193353B1Translational inkjet servicing module with multiple functionsHEWLETT PACKARD CO·Filed 1998·Granted Feb 27, 2001·66 cites·18 claims
- 0487US5600351AInkjet printer with increased print resolution in the carriage scan axisHEWLETT PACKARD CO·Filed 1994·Granted Feb 4, 1997·50 cites·20 claims
- 0587US5528269AServicing a newly-installed ink pen to eliminate uneven print quality without excessive wasting of inkHEWLETT PACKARD CO·Filed 1994·Granted Jun 18, 1996·61 cites·14 claims
- 0686US5526027AThermal turn on energy test for an inkjet printerHEWLETT PACKARD CO·Filed 1995·Granted Jun 11, 1996·51 cites·20 claims
- 0785US7018365B2Threaded syringe with quick stopMICRO THERAPEUTICS INC·Filed 2002·Granted Mar 28, 2006·64 cites·7 claims
- 0885US5428376AThermal turn on energy test for an inkjet printerHEWLETT PACKARD CO·Filed 1993·Granted Jun 27, 1995·47 cites·6 claims
- 0984US6042216AReplaceable printhead servicing module with multiple functions (wipe/cap/spit/prime)HEWLETT PACKARD CO·Filed 1997·Granted Mar 28, 2000·43 cites·32 claims
- 1084US5541625AMethod for increased print resolution in the carriage scan axis of an inkjet printerHEWLETT PACKARD CO·Filed 1994·Granted Jul 30, 1996·43 cites·17 claims
- 1183US6199973B1Storage container for inkjet cartridges having removable capping means and a method for storing inkjet cartridgesHEWLETT PACKARD CO·Filed 1997·Granted Mar 13, 2001·51 cites·13 claims
- 1282US6179401B1Multi-component installation feedback system for replacement print cartridges, valve holders, and service station cassettes for on board ink delivery systems replenishmentHEWLETT PACKARD CO·Filed 1998·Granted Jan 30, 2001·50 cites·7 claims
- 1380US5455613AThin film resistor printhead architecture for thermal ink jet pensHEWLETT PACKARD CO·Filed 1994·Granted Oct 3, 1995·39 cites·10 claims
- 1479US5726690AControl of ink drop volume in thermal inkjet printheads by varying the pulse width of the firing pulsesHEWLETT PACKARD CO·Filed 1994·Granted Mar 10, 1998·42 cites·3 claims
- 1578US5682185AEnergy measurement scheme for an ink jet printerHEWLETT PACKARD CO·Filed 1993·Granted Oct 28, 1997·38 cites·4 claims
- 1675US5342133APaper moving system for a printer/plotterHEWLETT PACKARD CO·Filed 1992·Granted Aug 30, 1994·31 cites·18 claims
- 1773USD423564SPrinthead service stationHEWLETT PACKARD CO·Filed 1997·Granted Apr 25, 2000·19 cites·1 claims
- 1871US5673069AMethod and apparatus for reducing the size of drops ejected from a thermal ink jet printheadHEWLETT PACKARD CO·Filed 1994·Granted Sep 30, 1997·27 cites·14 claims
- 1966US6189995B1Manually replaceable printhead servicing module for each different inkjet printheadHEWLETT PACKARD CO·Filed 1997·Granted Feb 20, 2001·22 cites·19 claims
- 2054US6139135AInkjet printing with replaceable set of ink-related components (printhead/service module/ink supply) for each color of inkHEWLETT PACKARD CO·Filed 1997·Granted Oct 31, 2000·13 cites·21 claims
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