Inventor
SWANSON DAVID W
US55 patents
⚠️ This page may combine multiple inventors who share the name “SWANSON DAVID W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD CO
41 patentsUS6341853B1Jan 29, 2002
Continuous refill of spring bag reservoir in an ink-jet swath printer/plotter
HEWLETT PACKARD CO145 citations99
US5757390AMay 26, 1998
Ink volume sensing and replenishing system
HEWLETT PACKARD CO139 citations98
US5754207AMay 19, 1998
Volume indicating ink reservoir cartridge system
HEWLETT PACKARD CO102 citations98
US5745137AApr 28, 1998
Continuous refill of spring bag reservoir in an ink-jet swath printer/plotter
HEWLETT PACKARD CO115 citations98
US5408746AApr 25, 1995
Datum formation for improved alignment of multiple nozzle members in a printer
HEWLETT PACKARD CO202 citations98
US6053607AApr 25, 2000
Negative pressure ink delivery system
HEWLETT PACKARD CO47 citations96
US6030075AFeb 29, 2000
Common ink-jet cartridge platform for different printheads
HEWLETT PACKARD CO49 citations96
US5757406AMay 26, 1998
Negative pressure ink delivery system
HEWLETT PACKARD CO67 citations96
US5751323AMay 12, 1998
Adhesiveless printhead attachment for ink-jet pen
HEWLETT PACKARD CO53 citations96
US5712669AJan 27, 1998
Common ink-jet cartridge platform for different printheads
HEWLETT PACKARD CO74 citations96
US5640186AJun 17, 1997
Two material frame having dissimilar properties for thermal ink-jet cartridge
HEWLETT PACKARD CO75 citations96
US5515092AMay 7, 1996
Two material frame having dissimilar properties for thermal ink-jet cartridge
HEWLETT PACKARD CO84 citations96
US5646665AJul 8, 1997
Side biased datum scheme for inkjet cartridge and carriage
HEWLETT PACKARD CO72 citations95
US5464578ANov 7, 1995
Method of making a compact fluid coupler for thermal inkjet print cartridge ink reservoir
HEWLETT PACKARD CO47 citations93
US5374179ADec 20, 1994
Multi-temperature film die
HEWLETT PACKARD CO34 citations93
US6206515B1Mar 27, 2001
Double compartment ink-jet cartridge with optimum snout
HEWLETT PACKARD CO31 citations92
US6033610AMar 7, 2000
Two material frame having dissimilar properties for thermal ink-jet cartridge
HEWLETT PACKARD CO27 citations92
US6003984ADec 21, 1999
Ink-jet swath printer with auxiliary ink reservoir
HEWLETT PACKARD CO40 citations92
US5924198AJul 20, 1999
Method of forming an ink-resistant seal between a printhead assembly and the headland region of an ink-jet pen cartridge.
HEWLETT PACKARD CO42 citations92
US5903295AMay 11, 1999
Compliant headland design for thermal ink-jet pen
HEWLETT PACKARD CO21 citations92
US5767882AJun 16, 1998
Collapsible ink reservoir structure and printer ink cartridge
HEWLETT PACKARD CO38 citations92
US5737002AApr 7, 1998
Two material frame having dissimilar properties for thermal ink-jet cartridge
HEWLETT PACKARD CO21 citations92
US5686949ANov 11, 1997
Compliant headland design for thermal ink-jet pen
HEWLETT PACKARD CO23 citations92
US5637166AJun 10, 1997
Similar material thermal tab attachment process for ink-jet pen
HEWLETT PACKARD CO25 citations92
US5594483AJan 14, 1997
Ink-jet cartridge with ink filtration
HEWLETT PACKARD CO25 citations92
US5574490ANov 12, 1996
Ink jet hard copy apparatus ink cartridge
HEWLETT PACKARD CO27 citations92
US5538586AJul 23, 1996
Adhesiveless encapsulation of tab circuit traces for ink-jet pen
HEWLETT PACKARD CO35 citations92
US5537133AJul 16, 1996
Restraining element for a print cartridge body to reduce thermally induced stress
HEWLETT PACKARD CO31 citations92
US5448818ASep 12, 1995
Method of assembly of a collapsible ink reservoir structure
HEWLETT PACKARD CO29 citations92
USD361343SAug 15, 1995
Compact ink-jet print cartridge
HEWLETT PACKARD CO24 citations92
USD353156SDec 6, 1994
Compact ink-jet print cartridge
HEWLETT PACKARD CO22 citations92
US5617128AApr 1, 1997
Alignment of multiple nozzle members in a printer
HEWLETT PACKARD CO42 citations91
US5451995ASep 19, 1995
Rigid loop case structure for thermal ink-jet pen
HEWLETT PACKARD CO26 citations90
US5898451AApr 27, 1999
Method for ink-jet printing using a collapsible ink reservoir structure and printer ink cartridge
HEWLETT PACKARD CO16 citations74
US5896153AApr 20, 1999
Leak resistant two-material frame for ink-jet print cartridge
HEWLETT PACKARD CO9 citations74
US5748215AMay 5, 1998
Ink-jet printer including ink cartridge with optimum snout and alignment surfaces
HEWLETT PACKARD CO12 citations74
US5953033ASep 14, 1999
Compact fluid coupler for thermal inkjet print cartridge ink reservoir
HEWLETT PACKARD CO7 citations73
US5874978AFeb 23, 1999
Method for filling and fabricating ink jet cartridge
HEWLETT PACKARD CO11 citations73
US5870125AFeb 9, 1999
Thin pen structure for thermal ink-jet printer
HEWLETT PACKARD CO16 citations73
US5684521ANov 4, 1997
Compact fluid coupler for thermal inkjet print cartridge ink reservoir
HEWLETT PACKARD CO7 citations73
US5491502AFeb 13, 1996
Thin pen structure for thermal ink-jet printer
HEWLETT PACKARD CO10 citations73
(unassigned)
3 patentsSWANSON DAVID W
3 patentsELDER PAUL B CO
1 patentDELTA II I P TRUST
1 patentDELTA II I P
1 patentShowing the top 50 of 55 patents by PatentIndex Score.