Joe R. Pietrzyk

Person

San Diego, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Inks having high molecular weight polysaccharides
- Patent number 6,790,268
- Issue date Sep 14, 2004
- Hewlett-Packard Development Company, L.P.
- Shirley Lee
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Carriage skirt for inkjet printer
- Patent number 6,561,620
- Issue date May 13, 2003
- Hewlett-Packard Development Company, L.P.
- Joe R. Pietrzyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Kogation reducing ink
- Patent number 6,533,851
- Issue date Mar 18, 2003
- Hewlett-Packard Company
- Shirley Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Long life printhead architecture
- Patent number 6,312,112
- Issue date Nov 6, 2001
- Hewlett-Packard Company
- Joe R. Pietrzyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Particle tolerant printhead
- Patent number 6,286,941
- Issue date Sep 11, 2001
- Hewlett-Packard Company
- Kenneth J. Courian
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Heat exchanger for an inkjet printhead
- Patent number 6,280,013
- Issue date Aug 28, 2001
- Hewlett-Packard Company
- John M. Wade
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink delivery system that utilizes a separate insertable filter carrier
- Patent number 6,234,622
- Issue date May 22, 2001
- Hewlett-Packard Company
- Kan Liu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink delivery system for high speed printing
- Patent number 6,183,078
- Issue date Feb 6, 2001
- Hewlett-Packard Company
- Joe R. Pietrzyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink flow design to provide increased heat removal from an inkjet pr...
- Patent number 6,120,139
- Issue date Sep 19, 2000
- Hewlett-Packard Company
- Winthrop Childers
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink flow heat exchanger for inkjet printhead
- Patent number 5,815,185
- Issue date Sep 29, 1998
- Hewlett-Packard Company
- Joe R. Pietrzyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Inks having high molecular weight polysaccharides
- Publication number 20030079646
- Publication date May 1, 2003
- Shirley Lee
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Kogation reducing ink
- Publication number 20030015119
- Publication date Jan 23, 2003
- Shirley Lee
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Carriage skirt for inkjet printer
- Publication number 20020158940
- Publication date Oct 31, 2002
- Joe R. Pietrzyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INKJET PRINTING WITH AIR MOVEMENT SYSTEM TO IMPROVE DOT SHAPE
- Publication number 20020158937
- Publication date Oct 31, 2002
- Joe R. Pietrzyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Joe R. Pietrzyk

Person

Patents Grantslast 30 patents

Inks having high molecular weight polysaccharides

Carriage skirt for inkjet printer

Kogation reducing ink

Long life printhead architecture

Particle tolerant printhead

Heat exchanger for an inkjet printhead

Ink delivery system that utilizes a separate insertable filter carrier

Ink delivery system for high speed printing

Ink flow design to provide increased heat removal from an inkjet pr...

Ink flow heat exchanger for inkjet printhead

Patents Applicationslast 30 patents

Inks having high molecular weight polysaccharides

Kogation reducing ink

Carriage skirt for inkjet printer

INKJET PRINTING WITH AIR MOVEMENT SYSTEM TO IMPROVE DOT SHAPE