Inventor

JEFFREY J. FOLKINS

Inventor

Rochester, NY, US

Overview

1984–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 154 as inventor

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

G03Gprimary

G03GElectrography40%

B41JTypewriters30%

H04NPictorial communication, e.g. television7%

B29CShaping or joining of plastics6%

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 sintering5%

C09DCoating compositions, e.g. paints, varnishes or lacquers2%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts1%

B22FWorking metallic powder1%

B29LIndexing scheme associated with subclass b29c, relating to particular articles1%

B41MPrinting, duplicating, marking, or copying processes1%

PatentTitleYear

10,639,841System and method for operating a three-dimensional printer to compensate for radial velocity variations2020 10,486,364System and method for forming integrated interfaces within a three-dimensionally printed object with different build materials2019 10,406,803Method for providing color and material property options in a three-dimensional object printer2019 10,335,995System and method for compensating for dissimilar shrinkage rates in different materials used to form a three-dimensional printed object during additive manufacturing2019 10,052,823System and method for test pattern formation during three-dimensional object printing2018 9,914,264'System and method for missing ejector correction in three-dimensional object printing by waveform adjustment'2018 9,862,193'System and method to maintain printheads operational in a continuously printing system'2018 9,751,259'System and method for operating a three-dimensional printer to compensate for radial velocity variations'2017 9,738,032'System for controlling operation of a printer during three-dimensional object printing with reference to a distance from the surface of object'2017 9,718,964'Sacrificial coating and indirect printing apparatus employing sacrificial coating on intermediate transfer member'2017 9,701,064'Digital manufacturing system for printing three-dimensional objects on a rotating core'2017 9,648,752'Solid ink mask removal process'2017 9,604,412'Digital manufacturing system for printing three-dimensional objects on a rotating surface'2017 9,539,817'System and method for reducing condensation on printheads in a print zone within an aqueous inkjet printer'2017 9,463,649'Ink and media treatment to affect ink spread on media in an inkjet printer'2016 9,447,504'Method of etching using inkjet printing'2016 9,415,546'System and method for controlling material drop volume in three dimensional object printing'2016 9,403,383'Ink and media treatment to affect ink spread on media treated with primer in an inkjet printer'2016 9,353,290'Transfix surface member coating'2016 9,327,537'System for adjusting operation of a printer during three-dimensional object printing using an optical sensor'2016 9,327,519'Sacrificial coating and indirect printing apparatus employing sacrificial coating on intermediate transfer member'2016 9,228,102'Scratch resistant inks'2016 9,114,609'System and method for ink drop acceleration with time varying electrostatic fields'2015 9,056,495'System and method for imaging and evaluating coating on an imaging surface in an aqueous inkjet printer'2015 9,044,960'Sparse test patterns in printed documents for identification of inkjet and printhead performance in a printer'2015 9,010,893'System and method for process direction registration between multiple inkjets in an inkjet printer'2015 9,004,631'Method and apparatus for accumulating excess ink in a stationary receptacle in imaging devices that form images on intermediate imaging surfaces'2015 8,967,789'Spreader/transfix system for handling tabbed media sheets during duplex printing in an inkjet printer'2015 8,960,839'System and method for spatial dependent correction for images printed with multiple drop parameters'2015 8,851,601'System and method for compensating for drift in multiple printheads in an inkjet printer'2014 8,820,885'Printhead having apertures for application of a surface treatment fluid'2014 8,814,300'System and method for sub-pixel ink drop adjustment for process direction registration'2014 8,777,396'System and method for imaging and evaluating printing parameters in an aqueous inkjet printer'2014 8,764,149'System and method for process direction registration of inkjets in a printer operating with a high speed image receiving surface'2014 8,721,026'Method for identifying and verifying dash structures as candidates for test patterns and replacement patterns in an inkjet printer'2014 8,681,194'Optical data transmission system for direct digital marking systems'2014 8,672,436'Method and system for improved ink jet or printhead replacement'2014 8,668,294'Method and system for split head drop size printing'2014 8,662,616'Method and system for adjusting printhead voltage parameters in an inkjet printer'2014 8,641,163'Temperature leveling roller and pressure nip assembly'2014 8,608,278'Direct marking printer having a user configurable print resolution'2013 8,585,173'Test pattern less perceptible to human observation and method of analysis of image data corresponding to the test pattern in an inkjet printer'2013 8,573,733'Protective device for inkjet printheads'2013 8,567,894'Reflex Printing with temperature feedback control'2013 8,529,007'Method and system for reflex printing to compensate for registration errors in a continuous web inkjet printer'2013 8,517,502'Method and system for printhead alignment to reduce or eliminate banding artifacts for interlaced printheads'2013 8,506,038'Method and system for aligning printheads that eject clear ink in an inkjet printer'2013 8,419,160'Method and system for operating a printhead to compensate for failed inkjets'2013 8,384,971'System and method for rendering image values to be printed in a single pass by serially arranged printheads'2013 8,350,879'Non-contact heating of solid ink prints after ink fixing'2013 8,346,503'System and method for equalizing multiple moving web velocity measurements in a double reflex printing registration system'2013 8,313,163'Method and system to compensate for process direction misalignment of printheads in a continuous web inkjet printer'2012 8,292,398'Method and system for printhead alignment to compensate for dimensional changes in a media web in an inkjet printer'2012 8,287,081'Direct marking printer having a user configurable print resolution'2012 8,256,857'System and method for compensating for small ink drop size in an indirect printing system'2012 8,251,504'Reflex Printing with temperature feedback control'2012 8,167,404'Staggered head stitch shifts in a continuous feed direct marking printer'2012 8,162,428'System and method for compensating runout errors in a moving web printing system'2012 8,136,907'System and method for compensating for registration errors arising from heated rollers in a moving web printing system'2012 8,054,476'Asymmetric IDZ precession in a multi-pass direct marking system'2011 8,042,899'System and method for compensating for weak, intermittent, or missing inkjets in a printhead assembly'2011 8,031,372'System and method for distributing image values of a color separation'2011 7,857,414'Printhead registration correction system and method for use with direct marking continuous web printers'2010 7,828,423'Ink-jet printer using phase-change ink printing on a continuous web'2010 7,798,633'Ink printer using forward direction printing process'2010 7,682,014'Apparatus for media preheating in an ink jet printer'2010 7,665,817'Double reflex printing'2010 7,623,254'Systems and methods for detecting inkjet defects'2009 7,532,342'Dynamic IDZ precession in a multi-pass direct marking system'2009 7,467,838'System and method for controlling a print head to compensate for subsystem mechanical disturbances'2008 7,426,043'Asymmetric IDZ precession in a multi-pass direct marking system'2008 7,390,084'Ink jet printer having multiple transfixing modes'2008 7,338,144'Ink jet printer having print head with partial nozzle redundancy'2008 7,300,133'Systems and methods for print head defect detection and print head maintenance'2007 7,278,699'Enhanced printer reliability using extra print module'2007 7,264,328'Systems and methods for print head defect detection and print head maintenance'2007 7,021,732'Printer jet detection method and apparatus'2006 6,985,250'Alternate imaging mode for multipass direct marking'2006 6,932,526'Multi-stage pre-transfer substrate heating assembly'2005 6,447,097'Row scrambling in ejector arrays'2002 6,330,417'Aluminized roll including anodization layer'2001 6,233,413'Set-up and diagnosis of printing device electrophotographic cleaning station using potential measurement'2001 6,201,937'Image to paper registration utilizing differential transfer'2001 6,058,279'Non-fuser apparatus customer replaceable unit including a fuser release agent supply assembly'2000 6,049,686'Hybrid scavengeless development using an apparatus and a method for preventing wire contamination'2000 6,006,048'Wrong-sign toner detection system'1999 6,006,049'Switched standby housing bias in read printers'1999 5,999,790'Five cycle color printing architecture with a camming mechanism for engaging and disengaging a transfer and cleaning stations'1999 5,999,783'Multiple charging of a toner image for transfer'1999 5,983,065'Method of printing secure documents'1999 5,940,667'Asymmetrical donor member voltage'1999 5,909,235'Wide area beam sensor method and apparatus for image registration calibration in a color printer'1999 5,862,438'Reduced interdocument zone in a printing system having a single developer power supply'1999 5,848,335'Internal erase before last development in color electrophotographic printing'1998 5,839,016'Fused image sensing'1998 5,826,150'Integrated multi-toner dispensing system'1998 5,809,385'Reproduction machine including and acoustic scavengeless assist development apparatus'1998 5,794,098'Leading edge electrostatic voltmeter readings in the image-on-image electrophotographic printing process'1998 5,794,106'Erase before D.C. recharge in color electrophotographic printing'1998 5,778,288'Erase before A.C. recharge in color electrographic printing'1998 5,778,289'D.C. recharge to reduce cross contamination in the read IOI process'1998 5,761,579'Five cycle color printing architecture with transfer after cleaning'1998 5,749,034'Transfer, cleaning and imaging stations spaced within an interdocument zone'1998 RE035698'Donor roll for scavengeless development in a xerographic apparatus'1997 5,666,590'Developer set up using residual toner voltage reading'1997 5,652,648'Negative wrap back up roll adjacent the transfer nip'1997 5,600,430'Split recharge method and apparatus for color image formation'1997 5,581,330'Method and apparatus for reducing residual toner voltage'1996 5,579,089'Method and apparatus for reducing transferred background toner'1996 5,579,100'Single positive recharge method and apparatus for color image formation'1996 5,576,824'Five cycle image on image printing architecture'1996 5,574,540'Dual use charging devices'1996 5,574,541'Corona dual-use for color image formation'1996 5,574,527'Multiple use of a sensor in a printing machine'1996 5,572,302'Electrode wire positioning for scavengeless development'1996 5,548,391'Process color using light lens scanning techniques'1996 5,537,190'Method and apparatus to improve registration in a black first printing machine'1996 5,515,155'Method and apparatus for establishing exposure and developer set points for color image formation'1996 5,499,084'Development system for use in a color printer'1996 5,420,375'Proper charging of donor roll in hybrid development'1995 5,394,223'Apparatus for image registration'1995 5,365,317'Charging system for eliminating edgebanding in an electrostatographic printing process'1994 5,359,393'Method and apparatus for measuring photoreceptor voltage potential using a charging device'1994 5,341,197'Proper charging of donor roll in hybrid development'1994 5,339,150'Mark detection circuit for an electrographic printing machine'1994 5,307,119'Method and apparatus for monitoring and controlling a toner image formation process'1994 5,253,016'Contaminant control for scavengeless development in a xerographic apparatus'1993 5,245,392'Donor roll for scavengeless development in a xerographic apparatus'1993 5,241,356'Method and apparatus for minimizing the voltage difference between a developed electrostatic image area and a latent electrostaic non-developed image'1993 5,225,856'Method and apparatus for correction of blooming artifacts in ionographic devices'1993 5,206,693'Development unit having an asymmetrically biased electrode wires'1993 5,177,529'Machine with removable unit having two element electrical connection'1993 5,153,648'Electrode wire mounting for scavengeless development'1992 5,153,642'Fiber cleaning system for a development system'1992 5,153,647'Development system having tensioned electrode wires'1992 5,134,442'Electrode wire contamination prevention and detection'1992 5,089,847'Highlight color copier'1992 5,063,875'Development apparatus having a transport roll rotating at least twice the surface velocity of a donor roll'1991 5,034,775'Triboelectric charge measurement'1991 5,032,872'Developing device with dual donor rollers including electrically biased electrodes for each donor roller'1991 4,984,019'Electrode wire cleaning'1991 4,922,298'Automatic color separation system'1990 4,868,607'Electrophotographic device with a bead pickoff arrangement'1989 4,868,907'Self-biased scorotron grid power supply and electrostatic voltmeter operable therefrom'1989 4,851,884'Piecewise development system'1989 4,786,924'Hybrid control system for a copier'1988 4,740,814'Preview system for an electrophotographic printing machine'1988 4,643,561'Control system for an electrophotographic printing machine'1987 4,614,165'Extended life development system'1986 4,611,900'Apparatus for sensing the presence of toner particles'1986 4,603,961'Development system'1986 4,565,438'Development system using electrically field dependent developer material'1986 4,492,179'Control system for regulating the dispensing of marking particles in an electrophotographic printing machine'1985 4,466,732'Development system having a bounded electrical bias'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2020Patents assigned to XEROX CORP (154)· patent assignee history

1984–2017Based in Fairport, NY, US· patent location history

1985–2020Based in Rochester, NY, US· patent location history

2012–2015Patents assigned to FOLKINS JEFFREY J (27)· patent assignee history

2012–2014Patents assigned to MANTELL DAVID A (8)· patent assignee history

2012–2013Patents assigned to EUN YONGSOON (7)· patent assignee history

2012–2013Patents assigned to VITURRO R ENRIQUE (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
XEROX CORP	154	1984–2020
FOLKINS JEFFREY Jself	27	2012–2015
MANTELL DAVID A	8	2012–2014
EUN YONGSOON	7	2012–2013
VITURRO R ENRIQUE	6	2012–2013

Locations

Location	Patents	Span
Rochester, New York, US	151	1985–2020
Fairport, New York, US	3	1984–2017