Inventor · disambiguated record
Marc A. Baldwin
Also filed as: BALDWIN MARC A
17 granted patents·2 pending applications·677 citations·filing 1991–2011
94Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO8HEWLETT PACKARD CO6OLSEN DAVID2GONZALES CURT1HEWLETT PACKARD CORP1
Top patents by PatentIndex Score
19 records- 0195US5409134APressure-sensitive accumulator for ink-jet pensHEWLETT PACKARD CORP·Filed 1991·Granted Apr 25, 1995·194 cites·40 claims
- 0294US5600358AInk pen having a hydrophobic barrier for controlling ink leakageHEWLETT PACKARD CO·Filed 1993·Granted Feb 4, 1997·160 cites·13 claims
- 0391US5526030APressure control apparatus for an ink penHEWLETT PACKARD CO·Filed 1992·Granted Jun 11, 1996·85 cites·16 claims
- 0489US5537134ARefill method for ink-jet print cartridgeHEWLETT PACKARD CO·Filed 1993·Granted Jul 16, 1996·69 cites·9 claims
- 0588US5363130AMethod of valving and orientation sensitive valve including a liquid for controlling flow of gas into a containerHEWLETT PACKARD CO·Filed 1991·Granted Nov 8, 1994·61 cites·18 claims
- 0685US7510274B2Ink delivery system and methods for improved printingHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Mar 31, 2009·7 cites·12 claims
- 0783US5505339APressure-sensitive accumulator for ink-jet pensHEWLETT PACKARD CO·Filed 1995·Granted Apr 9, 1996·47 cites·3 claims
- 0881US5917523ARefill method for ink-jet print cartridgeHEWLETT PACKARD CO·Filed 1996·Granted Jun 29, 1999·47 cites·6 claims
- 0975US7533976B2Sealing component defining first, second, and third sealsHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted May 19, 2009·4 cites·45 claims
- 1068US7997698B2Ink delivery system and methods for improved printingHEWLETT PACKARD DEVELOPMENT CO·Filed 2008·Granted Aug 16, 2011·2 cites·20 claims
- 1152US7669995B2Sealing component defining first, second, and third sealsHEWLETT PACKARD DEVELOPMENT CO·Filed 2009·Granted Mar 2, 2010·0 cites·12 claims
- 1246US9457368B2Fluidic devices, bubble generators and fluid control methodsGONZALES CURT·Filed 2011·Granted Oct 4, 2016·0 cites·20 claims
- 1346US7610680B2Methods for creating channelsHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Nov 3, 2009·0 cites·21 claims
- 1444US7862161B2Ink detector viewable with the human eyeHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Jan 4, 2011·0 cites·22 claims
- 1543US7950791B2Ink level detection by electronic meansHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted May 31, 2011·0 cites·22 claims
- 1642US7299552B2Methods for creating channelsHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Nov 27, 2007·1 cites·7 claims
- 1740US2008259112A1Printing device having supply of colorant that is non-refillable and at least substantially non-removable from end user perspectiveOLSEN DAVID·Filed 2007·Application pending·0 cites
- 1839US8544992B2Fluid cartridge for a printing deviceOTIS DAVID R·Filed 2009·Granted Oct 1, 2013·0 cites·15 claims
- 1937US2012050417A1Printing device having supply of colorant that is non-refillable and at least substantially non-removable from end user perspectiveOLSEN DAVID·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →