Inventor

DENTON GARY ALLEN

US51 patents

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

DENTON GARY ALLEN

LEXMARK INT INC

Method and apparatus for refilling ink jet cartridges with minimum ink loss

Multiple-cartridge off-board ink supplies for color ink jet printers

Ink level sensing device and method therefor

Refillable disposable inkjet cartridge with foam-filled and free ink reservoirs

Laser printer having variable beam spacing

Physical unclonable functions having magnetic and non-magnetic particles

Method of halftone screen linearization via continuous gradient patches

Inkjet cartridge with simultaneous electrical and fluid connections

Method of setting laser power and developer bias in an electrophotographic machine based on an estimated intermediate belt reflectivity

Method of setting laser power and developer bias in a multi-color electrophotographic machinie

Color adjustment method for a laser printer with multiple print resolutions

Toothed-rack physical unclonable function

Electrophotographic printer with compact pre-transfer erase assembly

Rotating magnetic measurements of physical unclonable functions

Physical unclonable function imaged through two faces

Elongated physical unclonable function

Toner patch sensor with integrating optical collection geometry

Toner transport device having electrically altered launch runway and particle flow dividers

Ink jet print cartridge having active cooling cell

Scanning print head

Methods of making physical unclonable functions having magnetic and non-magnetic particles

Combined electrophotographic and ink jet printing

Printing apparatus with focusing of toner particles

Optimization of transport parameters for traveling wave toner transport devices

Magnetometer chip sensor array for reading a magnetic PUF, including a magnetic PUF film or tape, and systems incorporating the reader

Trim bar entry geometry for a dual component development electrophotographic image forming device

Physical unclonable function (PUF) alters disk structure to encode region

Injection-molded physical unclonable function

Injection-molded physical unclonable function

Traveling wave and vertical toner transfer

Physical unclonable function encoder

Physical unclonable function variable read sensor

IR fluorescent toner compositions

Partial internal shunt and partial external shunt assembly for a magnetic roll of a dual component development electrophotographic image forming device

End sealing and magnetic field truncation of a magnetic roll of a dual electrophotographic image forming device

Toner calibration measurement

Method and apparatus for magnetic brush retraction in electrophotographic system

Magnetic keys having a plurality of magnet layers with holes

Magnetic roll having a smoothed release pole for a dual component development electrophotographic image forming device

Apparatus and method for transfer of image forming substances

Magnetic roll for a dual component development electrophotographic image forming device

End sealing and magnetic field truncation of a magnetic roll of a dual component development electrophotographic image forming device

Sealing ribs for a developer unit of a dual component development electrophotographic image forming device

Toner level detection measuring an orientation of a rotatable magnet having a varying orientation relative to a pivot axis

Toner level detection measuring an orientation of a rotatable magnet having a varying radius

Magnetic keys having a plurality of magnetic plates

Developer roll having magnetic zones of varying axial length for a dual component development electrophotographic image forming device

CARTER JR ALBERT MUNN

Toner calibration in an image forming device

DENTON GARY ALLEN

Black toner formulation

CARTER JR ALBERT MANN

Black toners containing infrared transmissive and reflecting colorants