Inventor

HAYS DAN A

US84 patents

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

HAYS DAN A

XEROX CORP

Scavengeless development apparatus for use in highlight color imaging

Ballistic aerosol marking apparatus for treating a substrate

Magnetically actuated ink jet printing device

Toner compositions comprising polyester resin and poly (3,4-ethylenedioxythiophene)

Cartridge for use in a ballistic aerosol marking apparatus

Method for marking with a liquid material using a ballistic aerosol marking apparatus

Toner compositions comprising polyester resin and poly (3,4-ethylenedioxypyrrole)

Particulate marking material transport apparatus utilizing traveling electrostatic waves

Development system coatings

Dual AC development system for controlling the spacing of a toner cloud

Electroded donor roll for a scavengeless developer unit

Nano-structure coated coronodes for low voltage charging devices

Compact charging method and device with gas ions produced by electric field electron emission and ionization from nanotubes

Development system coatings

Scavengeless two component development with an electroded development roll

Dual AC/dual frequency scavengeless development

Printing apparatus and toner/developer delivery system therefor

Printing apparatus including apparatus and method for charging and metering toner particles

Low voltage electrophotography with simultaneous photoreceptor charging, exposure and development

Apparatus, process for charging toner particles

Method of treating a substrate employing a ballistic aerosol marking apparatus

Ballistic aerosol marking apparatus for marking a substrate

Method of marking a substrate employing a ballistic aerosol marking apparatus

Ballistic aerosol making apparatus for marking with a liquid material

Toner composition and processes thereof

Ion charging development system to deliver toner with low adhesion

Particulate material dispenser

Two component development system using ion or electron charged toner

Carbon nanotube composites for blade cleaning in electrophotographic marking systems

Nanostructure-based solid state charging device

Systems and methods for electron charging particles

Electrophotographic development system with induction charged toner

Apparatus and method for forming a toner image with low toner pile height

Reproduction machine including and acoustic scavengeless assist development apparatus

Method and apparatus for creating contrasting images at substantially full contrast voltage

Toner charging apparatus with coated toner transport members

Development process and apparatus

Development process and apparatus

Direct charging device using nano-structures within a metal coated pore matrix

Process for electrostatic powder coating an article using triboelectrically charged powder with air jet assist

Hybrid electrophotographic development with toner induction charged via AC induced conductivity

Non-interactive development apparatus for electrophotographic machines having electroded donor member and AC biased electrode

Toner compositions comprising polythiophenes

Toner compositions comprising vinyl resin and poly(3,4-ethylenedioxypyrrole)

Electrophotographic development system with induction charged toner

Low-Friction single component development apparatus

Development system

Hybrid scavengeless development using a power supply controller to prevent toner contamination

XACTIV INC

Fabrication of 3D objects via electrostatic powder deposition

Fabrication of 3D objects via multiple build platforms