Inventor

Dan A. Hays

Inventor

Fairport, NY, US

Overview

1983–2020

Patent span

Physics

Primary field (CPC G)

Patents· 84 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Gprimary

G03GElectrography63%

B41JTypewriters11%

Y10TTechnical subjects covered by former us classification4%

B05DProcesses for applying fluent materials to surfaces, in general3%

B29CShaping or joining of plastics3%

B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

B05CApparatus for applying fluent materials to surfaces, in general2%

B82YSpecific uses or applications of nanostructures2%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry1%

PatentTitleYear

10,632,670Fabrication of 3D objects via electrostatic powder deposition2020 10,272,664Fabrication of 3D objects via multiple build platforms2019 10,272,618Fabrication of 3D objects via electrostatic powder deposition2019 9,168,564'Device and materials fabrication and patterning via shaped slot electrode control of direct electrostatic powder deposition'2015 8,771,802'Device and materials fabrication and patterning via shaped slot electrode control of direct electrostatic powder deposition'2014 8,062,713'Non-interactive electrostatic deposition of induction charged conductive powder'2011 7,995,952'High performance materials and processes for manufacture of nanostructures for use in electron emitter ion and direct charging devices'2011 7,985,524'Emulsion aggregation process for forming curable powder coating compositions, curable powder coating compositions and method for using the same'2011 7,851,111'Imaging belt with nanotube backing layer, and image forming devices including the same'2010 7,805,095'Charging device and an image forming device including the same'2010 7,754,408'Synthetic carriers'2010 7,502,580'Two component development system using ion or electron charged toner'2009 7,501,150'Emulsion aggregation process for forming powder coating compositions, powder coating compositions and method for using the same'2009 7,466,942'Direct charging device using nano-structures within a metal coated pore matrix'2008 7,430,388'Pin array scorotron charging system for small diameter printer photoreceptors'2008 7,428,402'Carbon nanotube composites for blade cleaning in electrophotographic marking systems'2008 7,398,035'Nanostructure-based solid state charging device'2008 7,397,032'Nano-structure coated coronodes for low voltage charging devices'2008 7,228,091'Compact charging method and device with gas ions produced by electric field electron emission and ionization from nanotubes'2007 7,217,444'Process for electrostatic powder coating an article using triboelectrically charged powder with air jet assist'2007 7,149,460'Systems and methods for electron charging particles'2006 6,999,703'Ion toner charging device'2006 6,965,746'Hybrid electrophotographic development with toner induction charged via AC induced conductivity'2005 6,895,202'Non-interactive development apparatus for electrophotographic machines having electroded donor member and AC biased electrode'2005 6,759,125'Development system coatings'2004 6,730,450'Toner compositions comprising polyester resin and poly (3,4-ethylenedioxythiophene)'2004 6,699,633'Toner compositions comprising polyester resin and poly(3,4-ethylenedioxythiophene)'2004 6,689,527'Toner compositions comprising vinyl resin and poly (3,4-ethylenedioxythiophene)'2004 6,686,111'Toner compositions comprising vinyl resin and poly (3,4-ethylenedioxythiophene)'2004 6,589,702'Toner compositions comprising polypyrroles'2003 6,569,591'Toner compositions comprising polythiophenes'2003 6,523,928'Method of treating a substrate employing a ballistic aerosol marking apparatus'2003 6,511,149'Ballistic aerosol marking apparatus for marking a substrate'2003 6,503,678'Toner compositions comprising polythiophenes'2003 6,492,082'Toner compositions comprising polypyrroles'2002 6,485,874'Toner compositions comprising vinyl resin and poly(3,4-ethylenedioxypyrrole)'2002 6,467,862'Cartridge for use in a ballistic aerosol marking apparatus'2002 6,463,239'Electrophotographic development system with custom color printing'2002 6,454,384'Method for marking with a liquid material using a ballistic aerosol marking apparatus'2002 6,416,157'Method of marking a substrate employing a ballistic aerosol marking apparatus'2002 6,387,581'Toner compositions comprising polyester resin and poly (3,4-ethylenedioxypyrrole)'2002 6,360,067'Electrophotographic development system with induction charged toner'2002 6,353,723'Electrophotographic development system with induction charged toner'2002 6,340,216'Ballistic aerosol marking apparatus for treating a substrate'2002 6,328,409'Ballistic aerosol making apparatus for marking with a liquid material'2001 6,290,342'Particulate marking material transport apparatus utilizing traveling electrostatic waves'2001 6,234,608'Magnetically actuated ink jet printing device'2001 6,223,013'Wire-less hybrid scavengeless development system'2001 6,208,825'Low-Friction single component development apparatus'2001 6,013,404'Toner composition and processes thereof'2000 5,999,201'Apparatus and method for forming a toner image with low toner pile height'1999 5,926,674'Reverse polarity split recharge in recharge-expose-and-develop image on imaging printing'1999 5,899,608'Ion charging development system to deliver toner with low adhesion'1999 5,809,385'Reproduction machine including and acoustic scavengeless assist development apparatus'1998 5,734,955'Development system'1998 5,734,954'Hybrid scavengeless development using a power supply controller to prevent toner contamination'1998 5,504,563'Scavengeless donor roll development'1996 5,448,342'Development system coatings'1995 5,418,105'Simultaneous transfer and fusing of toner images'1995 5,360,940'Scavengeless two component development with an electroded development roll'1994 5,339,142'AC/DC spatially programmable donor roll for xerographic development'1994 5,300,339'Development system coatings'1994 5,300,992'Mounting taut wires in gentle, self-spaced contact with a roll'1994 5,172,170'Electroded donor roll for a scavengeless developer unit'1992 5,144,371'Dual AC/dual frequency scavengeless development'1992 5,136,311'Apertureless direct electrostatic printer'1992 5,128,723'Scavengeless development system having toner deposited on a doner roller from a toner mover'1992 5,119,147'Selective coloring of bi-level latent electostatic images'1992 5,031,570'Printing apparatus and toner/developer delivery system therefor'1991 5,010,367'Dual AC development system for controlling the spacing of a toner cloud'1991 4,913,348'Method and apparatus for creating contrasting images at substantially full contrast voltage'1990 4,876,575'Printing apparatus including apparatus and method for charging and metering toner particles'1989 4,868,600'Scavengeless development apparatus for use in highlight color imaging'1989 4,766,457'Particulate material dispenser'1988 4,764,841'Toner charging apparatus with coated toner transport members'1988 4,618,241'Apparatus, process for charging toner particles'1986 4,545,669'Low voltage electrophotography with simultaneous photoreceptor charging, exposure and development'1985 4,505,573'Toner charging apparatus containing wear resistant coatings'1985 4,499,851'Self-spaced development system'1985 4,459,009'Apparatus, process for charging toner particles'1984 4,428,665'Apparatus, process for removal of toner particles'1984 4,394,429'Development process and apparatus'1983 4,370,056'Development system'1983 4,368,970'Development process and apparatus'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2011Patents assigned to XEROX CORP (78)· patent assignee history

1983–2011Based in Fairport, NY, US· patent location history

2011Patents assigned to HAYS DAN A (1)· patent assignee history

2011Patents assigned to MASON JAMES (1)· patent assignee history

2011Patents assigned to MASON PETER J (1)· patent assignee history

2014–2020Patents assigned to XACTIV INC (5)· patent assignee history

2014–2020Based in Venice, FL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
XEROX CORP	78	1983–2011
XACTIV INC	5	2014–2020
HAYS DAN Aself	1	2011
MASON JAMES	1	2011
MASON PETER J	1	2011

Locations

Location	Patents	Span
Fairport, New York, US	79	1983–2011
Venice, Florida, US	5	2014–2020