Inventor · disambiguated record
Alfred Zepeda
Also filed as: ZEPEDA ALFRED · ZEPEDA ALFRED U · ZEPEDA ALFRED U N
13 granted patents·678 citations·filing 1994–1998
94Inventor score
Technology areasB41J
Files withHEWLETT PACKARD CO13
Top patents by PatentIndex Score
13 records- 0196US5751320AInk recharger for inkjet print cartridge having sliding valve connectable to print cartridgeHEWLETT PACKARD CO·Filed 1996·Granted May 12, 1998·133 cites·26 claims
- 0293US6000791APrinter having a removable print cartridge with handle incorporating an ink inlet valueHEWLETT PACKARD CO·Filed 1997·Granted Dec 14, 1999·91 cites·23 claims
- 0393US5675367AInkjet print cartridge having handle which incorporates an ink fill portHEWLETT PACKARD CO·Filed 1996·Granted Oct 7, 1997·93 cites·26 claims
- 0489US5886719AInk valve having a releasable tip for a print cartridge recharge systemHEWLETT PACKARD CO·Filed 1996·Granted Mar 23, 1999·59 cites·24 claims
- 0587US6158851AInk valve having a releasable tip for a print cartridge recharge systemHEWLETT PACKARD CO·Filed 1998·Granted Dec 12, 2000·53 cites·8 claims
- 0686US5874976AInkjet cartridge fill port adapterHEWLETT PACKARD CO·Filed 1996·Granted Feb 23, 1999·63 cites·19 claims
- 0778US5966156ARefilling technique for inkjet print cartridge having two ink inlet ports for initial filling and rechargingHEWLETT PACKARD CO·Filed 1998·Granted Oct 12, 1999·34 cites·20 claims
- 0875US5929883APrinting system with single on/off control valve for periodic ink replenishment of inkjet printheadHEWLETT PACKARD CO·Filed 1997·Granted Jul 27, 1999·34 cites·22 claims
- 0974US5777648AInkjet print cartridge having an ink fill port for initial filling and a recharge port with recloseable seal for recharging the print cartridge with inkHEWLETT PACKARD CO·Filed 1996·Granted Jul 7, 1998·28 cites·23 claims
- 1074US5748216AInkjet print cartridge having valve connectable to an external ink reservoir for recharging the print cartridgeHEWLETT PACKARD CO·Filed 1996·Granted May 5, 1998·32 cites·20 claims
- 1168US5963238AIntermittent refilling of print cartridge installed in an inkjet printerHEWLETT PACKARD CO·Filed 1998·Granted Oct 5, 1999·26 cites·19 claims
- 1267US5852458AInkjet print cartridge having a first inlet port for initial filling and a second inlet port for ink replenishment without removing the print cartridge from the printerHEWLETT PACKARD CO·Filed 1996·Granted Dec 22, 1998·25 cites·23 claims
- 1346US5596358AMethod and apparatus for refilling a print cartridge having a reservoir pressure of less than ambient pressureHEWLETT PACKARD CO·Filed 1994·Granted Jan 21, 1997·7 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →