Kenneth W. Pietrowski

Person

Penfield, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Pin array scorotron charging system for small diameter printer phot...
- Patent number 7,430,388
- Issue date Sep 30, 2008
- Xerox Corporation
- Michael F. Zona
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Xerographic charging device having two pin arrays
- Patent number 7,110,701
- Issue date Sep 19, 2006
- Xerox Corporation
- John S. Facci
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heading element for charging devices
- Patent number 6,444,960
- Issue date Sep 3, 2002
- Xerox Corporation
- Alberto Rodriguez
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Rotatable charging apparatus, and printing machine including the same
- Patent number 6,308,032
- Issue date Oct 23, 2001
- Xerox Corporation
- Scott D. Weber
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
AC scorotron
- Patent number 6,097,915
- Issue date Aug 1, 2000
- Xerox Corporation
- Thomas J. Fleck
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color printing machine having AC pretransfer toner treatment
- Patent number 6,047,155
- Issue date Apr 4, 2000
- Xerox Corporation
- Kenneth W. Pietrowski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
AC corona current regulation
- Patent number 6,034,368
- Issue date Mar 7, 2000
- Xerox Corporation
- Jing qing Song
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Conformable bias transfer member having conductive filler materials
- Patent number 5,897,248
- Issue date Apr 27, 1999
- Xerox Corporation
- Edward L. Schlueter
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Erase before A.C. recharge in color electrographic printing
- Patent number 5,778,288
- Issue date Jul 7, 1998
- Xerox Corporation
- Charles H. Tabb
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Hybrid DC recharge method and apparatus for split recharge imaging
- Patent number 5,613,172
- Issue date Mar 18, 1997
- Xerox Corporation
- Kenneth W. Pietrowski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Split recharge method and apparatus for color image formation
- Patent number 5,600,430
- Issue date Feb 4, 1997
- Xerox Corporation
- Jeffrey J. Folkins
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for reducing residual toner voltage
- Patent number 5,581,330
- Issue date Dec 3, 1996
- Xerox Corporation
- Kenneth W. Pietrowski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for extending material life in a bias transfer...
- Patent number 5,420,677
- Issue date May 30, 1995
- Xerox Corporation
- Robert A. Gross
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging system for eliminating edgebanding in an electrostatograph...
- Patent number 5,365,317
- Issue date Nov 15, 1994
- Xerox Corporation
- Jeffrey J. Folkins
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pre-pretransfer treatment to increase transfer latitude in tri-leve...
- Patent number 5,351,113
- Issue date Sep 27, 1994
- Xerox Corporation
- Kenneth W. Pietrowski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for using vibratory energy with application of...
- Patent number 5,016,055
- Issue date May 14, 1991
- Xerox Corporation
- Kenneth W. Pietrowski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pin charging device for use in xerography
- Patent number 4,533,230
- Issue date Aug 6, 1985
- Xerox Corporation
- Gerald M. Fletcher
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Pin array scorotron charging system for small diameter printer phot...
- Publication number 20070160389
- Publication date Jul 12, 2007
- Xerox Corporation.
- Michael F. Zona
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Xerographic charging device having two pin arrays
- Publication number 20060013617
- Publication date Jan 19, 2006
- Xerox Corporation.
- John S. Facci
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Kenneth W. Pietrowski

Person

Patents Grantslast 30 patents

Pin array scorotron charging system for small diameter printer phot...

Xerographic charging device having two pin arrays

Heading element for charging devices

Rotatable charging apparatus, and printing machine including the same

AC scorotron

Color printing machine having AC pretransfer toner treatment

AC corona current regulation

Conformable bias transfer member having conductive filler materials

Erase before A.C. recharge in color electrographic printing

Hybrid DC recharge method and apparatus for split recharge imaging

Split recharge method and apparatus for color image formation

Method and apparatus for reducing residual toner voltage

Method and apparatus for extending material life in a bias transfer...

Charging system for eliminating edgebanding in an electrostatograph...

Pre-pretransfer treatment to increase transfer latitude in tri-leve...

Method and apparatus for using vibratory energy with application of...

Pin charging device for use in xerography

Patents Applicationslast 30 patents

Pin array scorotron charging system for small diameter printer phot...

Xerographic charging device having two pin arrays