P

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 patents
US6341853B1Jan 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 patents

SWANSON DAVID W

3 patents

ELDER PAUL B CO

1 patent

DELTA II I P TRUST

1 patent

DELTA II I P

1 patent

Showing the top 50 of 55 patents by PatentIndex Score.