Paul W. Graf

Person

Lexington, KY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Fluid ejection devices
- Patent number 9,079,409
- Issue date Jul 14, 2015
- Jiandong Fang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Partitioned array ejection chips for micro-fluid applications
- Patent number 8,616,680
- Issue date Dec 31, 2013
- Funai Electric Co., Ltd.
- Jiandong Fang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet printheads and fluid ejecting chips
- Patent number 8,517,513
- Issue date Aug 27, 2013
- Funai Electric Co., Ltd.
- Jiandong Fang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet print head synchronous serial output for data integrity
- Patent number 7,738,137
- Issue date Jun 15, 2010
- Lexmark International, Inc.
- Paul W. Graf
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Heater chip test circuit and methods for using the same
- Patent number 7,635,174
- Issue date Dec 22, 2009
- Lexmark International, Inc.
- Steven W. Bergstedt
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Distributed programmed memory cells used as memory reference currents
- Patent number 7,142,456
- Issue date Nov 28, 2006
- Lexmark International
- John G. Edelen
- G11 - INFORMATION STORAGE
Information Patent Grant
Printheads having improved heater chip construction
- Patent number 7,097,280
- Issue date Aug 29, 2006
- Lexmark International, Inc.
- Rick L. Hubert
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Low profile ink jet cartridge assembly
- Patent number 7,025,440
- Issue date Apr 11, 2006
- Lexmark International, Inc.
- Paul William Graf
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Long-life stable-jetting thermal ink jet printer
- Patent number 6,565,176
- Issue date May 20, 2003
- Lexmark International, Inc.
- Frank Edward Anderson
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Voltage comparison circuit
- Patent number 5,514,972
- Issue date May 7, 1996
- International Business Machines Corporation
- Mark K. DeMoor
- G01 - MEASURING TESTING
Information Patent Grant
Temperature compensated circuit for controlling load current
- Patent number 5,237,262
- Issue date Aug 17, 1993
- International Business Machines Corporation
- Donald J. Ashley
- G05 - CONTROLLING REGULATING
Information Patent Grant
DC/DC converter
- Patent number 4,902,957
- Issue date Feb 20, 1990
- International Business Machines Corporation
- John C. Cassani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
FLUID EJECTION DEVICES
- Publication number 20150283810
- Publication date Oct 8, 2015
- Funai Electric Co., Ltd.
- Jiandong FANG
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
FLUID EJECTION DEVICES
- Publication number 20130002771
- Publication date Jan 3, 2013
- Jiandong Fang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INKJET PRINTHEADS AND FLUID EJECTING CHIPS
- Publication number 20120188308
- Publication date Jul 26, 2012
- JIANDONG FANG
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PARTITIONED ARRAY EJECTION CHIPS FOR MICRO-FLUID APPLICATIONS
- Publication number 20110292129
- Publication date Dec 1, 2011
- JIANDONG FANG
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Heater chip test circuit and methods for using the same
- Publication number 20070040862
- Publication date Feb 22, 2007
- Lexmark International, Inc.
- Steven W. Bergstedt
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Distributed programmed memory cells used as memory reference currents
- Publication number 20060077708
- Publication date Apr 13, 2006
- John G. Edelen
- G11 - INFORMATION STORAGE
Information Patent Application
Inkjet print head synchronous serial output for data integrity
- Publication number 20050212831
- Publication date Sep 29, 2005
- Paul W. Graf
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Printheads having improved heater chip construction
- Publication number 20050179728
- Publication date Aug 18, 2005
- Rick L. Hubert
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Low profile ink jet cartridge assembly
- Publication number 20050083374
- Publication date Apr 21, 2005
- Paul William Graf
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LONG-LIFE STABLE-JETTING THERMAL INK JET PRINTER
- Publication number 20030016258
- Publication date Jan 23, 2003
- Frank Edward Anderson
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Paul W. Graf

Person

Patents Grantslast 30 patents

Fluid ejection devices

Partitioned array ejection chips for micro-fluid applications

Inkjet printheads and fluid ejecting chips

Inkjet print head synchronous serial output for data integrity

Heater chip test circuit and methods for using the same

Distributed programmed memory cells used as memory reference currents

Printheads having improved heater chip construction

Low profile ink jet cartridge assembly

Long-life stable-jetting thermal ink jet printer

Voltage comparison circuit

Temperature compensated circuit for controlling load current

DC/DC converter

Patents Applicationslast 30 patents

FLUID EJECTION DEVICES

FLUID EJECTION DEVICES

INKJET PRINTHEADS AND FLUID EJECTING CHIPS

PARTITIONED ARRAY EJECTION CHIPS FOR MICRO-FLUID APPLICATIONS

Heater chip test circuit and methods for using the same

Distributed programmed memory cells used as memory reference currents

Inkjet print head synchronous serial output for data integrity

Printheads having improved heater chip construction

Low profile ink jet cartridge assembly

LONG-LIFE STABLE-JETTING THERMAL INK JET PRINTER