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1953-06-23 |
1965-07-22 |
Hell Rudolf Dr Ing Fa |
Method for registering characters or images broken down into picture elements
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BE545664A
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1955-03-03 |
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US2932742A
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1955-03-22 |
1960-04-12 |
Haloid Xerox Inc |
Xerographic charging device and method
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DE1099848B
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1955-03-22 |
1961-02-16 |
Battelle Development Corp |
Device for charging xerographic layer carriers
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1955-06-08 |
1958-12-16 |
Modern Plastic Machinery Corp |
Method and apparatus for the treatment of plastic materials
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1955-06-08 |
1959-03-24 |
Haloid Xerox Inc |
Charging device
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1956-06-11 |
1961-09-19 |
Keller Daniel Franklin |
Method and apparatus for the reproduction of images
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GB867834A
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1956-08-17 |
1961-05-10 |
Mason & Sons Ltd E N |
Process of and apparatus for printing or copying by electro or electrostatic photography
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1957-04-29 |
1962-08-02 |
Zindler Lumoprint Kg |
Device for the production of copies by means of photoconductive layer carrier sheets
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1957-06-03 |
1962-01-16 |
Xerox Corp |
Xerographic plate feeding and charging apparatus
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1957-12-27 |
1959-06-09 |
Ibm |
Xerographic drum charging apparatus
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1958-03-31 |
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1959-06-12 |
1963-04-02 |
Robertson Photo Mechanix Inc |
Xerographic apparatus
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1959-10-15 |
1964-08-13 |
Wilhelm Ritzerfeld |
Device for generating xerographic images
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1959-11-05 |
1964-08-13 |
Agfa Ag |
Process for making electro-photographic images
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1959-11-18 |
1962-04-19 |
Bayer Ag |
Apparatus for the electrophotographic production of images
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GB949798A
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1960-03-08 |
1964-02-19 |
Australia Res Lab |
Improvements in or relating to charging machines for xerographic materials
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1960-06-15 |
1962-12-11 |
Xerox Corp |
Xerographic charging apparatus
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1961-05-01 |
1964-12-08 |
Xerox Corp |
Corona charging apparatus for non-uniformly charging a xerographic plate in a predetermined manner
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1963-05-27 |
1966-11-22 |
Rca Corp |
Portable, self-powered, corona charging apparatus
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1964-06-01 |
1969-02-04 |
Xerox Corp |
Electrostatic charge image recorder
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1964-07-06 |
1967-06-06 |
Xerox Corp |
Corona generating device with means to cause air flow therethrough to maintain the parts free of dust accumulation
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1964-11-05 |
1968-07-11 |
Reinhold Epping Dipl Phys |
Method and device for charging photoconductive layers with the aid of a corona discharge
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1965-02-01 |
1969-06-10 |
Burroughs Corp |
Apparatus for controlling contrast in electrostatic printers
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1965-07-28 |
1970-10-13 |
Addressograph Multigraph |
Electrostatic reproduction method
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1965-08-19 |
1968-02-20 |
Eastman Kodak Co |
Corona charging apparatus
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1966-07-28 |
1969-02-06 |
A M Zimmermann & Co Kg |
Method for transferring a toner image located on a photoconductive layer
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1966-12-27 |
1969-06-10 |
Xerox Corp |
Corona discharge apparatus for creating an electrostatic charge pattern on a xerographic surface
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1967-06-05 |
1970-02-17 |
Xerox Corp |
Self-cleaning corona generating apparatus
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1968-05-03 |
1971-05-18 |
Plastic Coating Corp |
Variable width corona discharge apparatus with means to shield or vary a predetermined length of a corona discharge wire
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1968-12-30 |
1973-12-04 |
Continental Can Co |
Method and apparatus for electrostatically charging particles for printing or coating
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1968-12-30 |
1972-01-18 |
Continental Can Co |
Method and apparatus for electrostatically charging particles for printing or coating
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1969-03-05 |
1976-07-27 |
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1969-11-24 |
1971-11-16 |
Ibm |
Electrophotographic apparatus with improved toner transfer
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1971-01-16 |
1976-04-06 |
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1971-07-07 |
1978-07-26 |
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1971-10-01 |
1975-05-06 |
Eastman Kodak Co |
Electrophotographic process employing image and control grid means
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1972-01-18 |
1975-06-24 |
Canon Kk |
Corona discharger cleaning apparatus
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1972-10-16 |
1974-05-31 |
Turlabor Ag |
ELECTROGRAPHIC COPYING PROCESS AND DEVICE FOR CARRYING OUT THIS PROCESS.
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1976-01-23 |
1977-11-08 |
Xerox Corporation |
Compact corona charging device
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1976-10-12 |
1978-05-09 |
Scott Paper Company |
Corona charging apparatus and method
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JPS54136334A
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1978-04-13 |
1979-10-23 |
Minolta Camera Co Ltd |
Electrophotographic image formation process by simultaneous static latent image transfer system
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1978-04-14 |
1979-10-25 |
Canon Kk |
METHOD OF MAKING AND INSTALLING A CORONA UNLOADER
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1978-11-13 |
1980-05-22 |
Hoechst Ag |
METHOD FOR ELECTROSTATICALLY CHARGING A DIELECTRIC LAYER AND DEVICE FOR CARRYING OUT THE METHOD
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JPS5614248A
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1979-07-16 |
1981-02-12 |
Canon Inc |
Image forming apparatus
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1982-02-08 |
1983-08-12 |
Fuji Xerox Co Ltd |
Corona discharger of electrophotographic copying machine
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1984-01-03 |
1986-05-27 |
Xerox Corporation |
Efficient, self-limiting corona device for positive or negative charging
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1984-05-31 |
1985-12-14 |
Fuji Xerox Co Ltd |
Electric field transfer method and transfer device
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1984-12-21 |
1987-01-20 |
Xerox Corporation |
Self-biased scorotron and control therefor
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1986-12-15 |
1997-08-12 |
Canon Kabushiki Kaisha |
Charging device
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1986-12-15 |
1988-06-22 |
Canon Inc |
Contact electric charging method
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1987-04-27 |
1988-03-15 |
Xerox Corporation |
Elimination of streamer formation in positive charging corona devices
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1988-03-15 |
1989-09-28 |
Bando Chemical Ind |
Transfer and transport device
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1988-05-06 |
1989-11-16 |
Philips Patentverwaltung |
ARRANGEMENT FOR THE PRODUCTION OF X-RAY IMAGES BY MEANS OF A PHOTO CONDUCTOR
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1990-11-23 |
1993-09-14 |
Xerox Corporation |
Semi-conductor corona generator for production of ions to charge a substrate
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1991-05-01 |
1992-04-14 |
Xerox Corporation |
Screened blade scorotron
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1991-05-09 |
1992-10-06 |
Xerox Corporation |
Planar scorotron device
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1992-12-17 |
1994-04-05 |
Xerox Corporation |
Electrically tunable charging device for depositing uniform charge potential
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1992-12-17 |
1994-06-28 |
Xerox Corporation |
Tunable scorotron for depositing uniform charge potential
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1994-12-14 |
1998-01-06 |
Xerox Corporation |
Corona generating device
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1994-12-14 |
1996-10-08 |
Xerox Corporation |
Charging device for charging in one of a plurality of predefined image areas on a surface of an imaging member
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1996-03-28 |
1997-08-05 |
Xerox Corporation |
Light blocking ion charging apparatus
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1996-03-28 |
1998-03-03 |
Xerox Corporation |
Ion charging apparatus with light blocking capability
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1996-03-28 |
1996-12-24 |
Xerox Corporation |
Apparatus for charging a film on the internal surface of a drum
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1996-03-28 |
1997-08-19 |
Xerox Corporation |
Scanning corotron
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1999-10-18 |
2002-02-19 |
Aetas Technology Incorporated |
DC biased AC corona charging
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1999-10-18 |
2001-03-20 |
Aetas Technology Corporation |
AC corona charging arrangement with current—limiting capacitor
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2002-08-29 |
2007-03-06 |
Xerox Corporation |
Uniform charge device with reduced edge effects
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2002-08-29 |
2005-06-21 |
Xerox Corporation |
Uniform charge device with reduced edge effects
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2005-04-27 |
2006-10-17 |
Xerox Corporation |
Small footprint charge device for tandem color marking engines
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2009-02-23 |
2010-08-26 |
Patrick Dolan |
Chemical vapor sensor with improved aging and temperature characteristics
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2009-05-27 |
2012-03-13 |
Xerox Corporation |
Compact, long life charging device
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2010-02-18 |
2011-08-18 |
Patrick Dolan |
Chemical vapor sensor with improved aging and temperature characteristics
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2010-11-15 |
2014-08-26 |
Patrick Dolan |
Chemical vapor sensor with improved temperature characteristics and manufacturing technique
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