PatentBrief

Inventor

John L. Vaught

Patents indexed

1

Year range

1984

Associated with

Years active

1984

Total patents

1

Most recent

1984

Frequent collaborator

Frank L. Cloutier

Domains

consumer_electronicsmechanical

Activity by decade

1980s
1

Patents

1

Career timeline

1 patents, in 1984

Dot size = forward citations

19841985

Hover or tap any dot to see the patent. Larger dots indicate more forward citations — a proxy for downstream influence.

US 4490728·1984·Hewlett Packard Co

How Thermal Inkjet Printers Use Two-Step Heating to Shoot Ink

Hewlett-Packard's 1982 patent on a two-stage electrical pulse method that preheats ink before vaporizing it, allowing thermal inkjet printers to reliably eject precise droplets without clogging.

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