Inventor

MICHAEL DONALD L

US26 patents

⚠️ This page may combine multiple inventors who share the name “MICHAEL DONALD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MICHAEL DONALD L

HEWLETT PACKARD CO

Foam-filled caps for sealing inkjet printheads

Print head servicing system and method employing a solid liquefiable substance

Printhead servicing system and method using a moveable wiper between a fluid source and a printhead

Ink jet printer service station controlled by data from consumable parts with incorporated memory devices

Dual seal capping system for inkjet printheads

Flexible frame onsert capping of inkjet printheads

Wet wiping printhead cleaning system using a non-contact technique for applying a printhead treatment fluid

Printhead structure and method for producing the same

Flexible frame onsert capping system for inkjet printheads

High deflection capping system for inkjet printheads

Printhead for an inkjet cartridge and method for producing the same

Method and apparatus for detecting the end of life of a print cartridge for a thermal ink jet printer

Flexible frame onsert capping system for inkjet printheads

High deflection capping system for inkjet printheads

HEWLETT PACKARD DEVELOPMENT CO

Inkjet printing systems using filter fluid interconnects for pigmented inks

Printhead de-priming

Ink recirculation system

Printhead evacuation mechanism and method

Removing gas from a printhead

Package having bond-sealed underbump

Wet wiping printhead cleaning system using a non-contact technique for applying a printhead treatment fluid

Package having bond-sealed underbump

Methods and systems for forming a die package

Method and apparatus for reducing nozzle failure in stored inkjet printheads

Methods and systems for forming a die package

Three electrode arc-discharge lamp