Inventor

NORTH ANGUS JOHN

AU71 patents

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

NORTH ANGUS JOHN

SILVERBROOK RES PTY LTD

Thermal ink jet printhead with symmetric bubble formation

Inkjet printhead incorporating coincident groups of ink apertures

Thermal ink jet printhead with suspended beam heater

Ink jet printhead with conformally coated heater

Very high efficiency thermal ink jet printhead

Ink jet printhead with conformally coated heater

Inkjet nozzle arrangement with annular heater element

Inkjet unit cell with dual heater elements

Printhead integrated circuit having heater elements with high surface area

High efficiency thermal ink jet printhead

Inkjet printhead with variable drive pulse

Thermal inkjet printhead with de-clog firing mode

Inkjet printhead that prints keep-wet dots to avoid clogging

Self passivating transition metal nitride printhead heaters

Printhead heaters with a nanocrystalline composite structure

Inkjet printhead for printing with low density keep-wet dots

Printhead nozzle with reduced ink inertia and viscous drag

MEMS bubble generator for large stable vapor bubbles

Thermal ink jet printhead with bubble formation surrounding heater element

Printhead assembly incorporating a pair of aligned groups of ink holes

Printhead with low viscous drag droplet ejection

Thermal inkjet printhead with low power consumption

Inkjet printhead heater elements with thin or non-existent coatings

Printhead heaters with short pulse time

Inkjet nozzle with reduced fluid inertia and viscous drag

Inkjet printhead heater with high surface area

Printhead with sub-ejection pulse for non-firing nozzles

Nozzle arrangement for an inkjet printer configured to minimize thermal losses

Inkjet printhead comprising bonded heater element and dielectric layer with low thermal product

Inkjet printhead nozzle arrangement having non-coincident electrodes

Printhead module assembly with A flexible PCB

Inkjet printhead with low thermal product layer

Printhead with heaters offset from nozzles

Printhead with increasing drive pulse to counter heater oxide growth

Printhead incorporating pressure pulse diffusing structures between ink chambers supplied by same ink inlet

MEMJET TECHNOLOGY LTD

Inkjet nozzle device having improved lifetime

Inkjet nozzle device having chamber geometry configured for constrained symmetric bubble expansion

Inkjet nozzle device having improved lifetime

Inkjet nozzle device having high degree of symmetry

Inkjet nozzle device with symmetrically constrained bubble formation

Inkjet nozzle device configured for venting gas bubbles

Inkjet nozzle device configured for venting gas bubbles

SILVERBROOK KIA

Printhead with individual nozzle firing frequency at least once per decap time

Printhead with ink distribution through aligned apertures

Thermal ink jet printhead

Inkjet printhead having titanium aluminium nitride heater elements

ZAMTEC LTD

MEMS fluid sensor

Inkjet nozzle assembly having heater element bonded to chamber wall via dielectric layer

NORTH ANGUS JOHN

Printhead having variable drive pulses for fluid ejection

Method of fabricating inkjet printhead having low-loss contact for thermal actuators