John William Krawczyk

Person

Richmond, KY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method for making a micro-fluid ejection device
- Patent number 7,938,975
- Issue date May 10, 2011
- Lexmark International, Inc.
- John W. Krawczyk
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Method for dry etching fluid feed slots in a silicon substrate
- Patent number 7,850,284
- Issue date Dec 14, 2010
- Lexmark International, Inc.
- David L. Bernard
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Micro-fluid ejection assemblies
- Patent number 7,767,103
- Issue date Aug 3, 2010
- Lexmark International, Inc.
- David L. Bernard
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Flexible adhesive materials for micro-fluid ejection heads and meth...
- Patent number 7,766,455
- Issue date Aug 3, 2010
- Lexmark International, Inc.
- David Christopher Graham
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Fluid ejection device structures and methods therefor
- Patent number 7,560,223
- Issue date Jul 14, 2009
- Lexmark International, Inc.
- John W. Krawczyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Methods of deep reactive ion etching
- Patent number 7,560,039
- Issue date Jul 14, 2009
- Lexmark International, Inc.
- John W. Krawczyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Fluid ejection device structures and methods therefor
- Patent number 7,524,430
- Issue date Apr 28, 2009
- Lexmark International, Inc.
- John W. Krawczyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Microfluidic substrates having improved fluidic channels
- Patent number 7,438,392
- Issue date Oct 21, 2008
- Lexmark International, Inc.
- Karthik Vaideeswaran
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Micro-fluid ejection head containing reentrant fluid feed slots
- Patent number 7,413,915
- Issue date Aug 19, 2008
- Lexmark International, Inc.
- John W. Krawczyk
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multiple layer etch stop and etching method
- Patent number 7,344,994
- Issue date Mar 18, 2008
- Lexmark International, Inc.
- John W. Krawczyk
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Micro-fluid ejection assemblies
- Patent number 7,273,266
- Issue date Sep 25, 2007
- Lexmark International, Inc.
- John William Krawczyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for making a micro-fluid ejection device
- Patent number 7,271,105
- Issue date Sep 18, 2007
- Lexmark International, Inc.
- John W. Krawczyk
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Method for dry etching fluid feed slots in a silicon substrate
- Patent number 7,271,104
- Issue date Sep 18, 2007
- Lexmark International, Inc.
- David L. Bernard
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Micro-fluid ejection head containing reentrant fluid feed slots
- Patent number 7,202,178
- Issue date Apr 10, 2007
- Lexmark International, Inc.
- John W. Krawczyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Methods for improving flow through fluidic channels
- Patent number 7,041,226
- Issue date May 9, 2006
- Lexmark International, Inc.
- Karthik Vaideeswaran
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Method and Apparatus for Maximizing Cooling for Wafer Processing
- Publication number 20080083700
- Publication date Apr 10, 2008
- Lexmark International, Inc.
- David Laurier Bernard
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Methods of Etching Polymeric Materials Suitable for Making Micro-Fl...
- Publication number 20080007595
- Publication date Jan 10, 2008
- John William Krawczyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD FOR MAKING A MICRO-FLUID EJECTION DEVICE
- Publication number 20070259292
- Publication date Nov 8, 2007
- John W. Krawczyk
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
METHOD FOR DRY ETCHING FLUID FEED SLOTS IN A SILICON SUBSTRATE
- Publication number 20070257006
- Publication date Nov 8, 2007
- David L. Bernard
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
Flexible Adhesive Materials for Micro-Fluid Ejection Heads and Meth...
- Publication number 20070229594
- Publication date Oct 4, 2007
- Lexmark International, Inc.
- David Christopher Graham
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Method for dry etching fluid feed slots in a silicon substrate
- Publication number 20070000863
- Publication date Jan 4, 2007
- David L. Bernard
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
Multiple layer etch stop and etching method
- Publication number 20060189144
- Publication date Aug 24, 2006
- John W. Krawczyk
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
Micro-fluid ejection head containing reentrant fluid feed slots
- Publication number 20060113277
- Publication date Jun 1, 2006
- Lexmark International, Inc.
- John W. Krawczyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Micro-fluid ejection head containing reentrant fluid feed slots
- Publication number 20060115921
- Publication date Jun 1, 2006
- Lexmark International, Inc.
- John W. Krawczyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Microfluidic substrates having improved fluidic channels
- Publication number 20060077221
- Publication date Apr 13, 2006
- Lexmark International, Inc.
- Karthik Vaideeswaran
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Methods of deep reactive ion etching
- Publication number 20060054590
- Publication date Mar 16, 2006
- John W. Krawczyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Micro-fluid ejection assemblies
- Publication number 20060054591
- Publication date Mar 16, 2006
- David L. Bernard
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Fluid ejection device structures and methods therefor
- Publication number 20060055724
- Publication date Mar 16, 2006
- John W. Krawczyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Fluid ejection device structures and methods therefor
- Publication number 20060054592
- Publication date Mar 16, 2006
- John W. Krawczyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Micro-fluid ejection assemblies
- Publication number 20050231557
- Publication date Oct 20, 2005
- John William Krawczyk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Method for making a micro-fluid ejection device
- Publication number 20050205517
- Publication date Sep 22, 2005
- John W. Krawczyk
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
Methods for improving flow through fluidic channels
- Publication number 20050093912
- Publication date May 5, 2005
- Karthik Vaideeswaran
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

John William Krawczyk

Person

Patents Grantslast 30 patents

Method for making a micro-fluid ejection device

Method for dry etching fluid feed slots in a silicon substrate

Micro-fluid ejection assemblies

Flexible adhesive materials for micro-fluid ejection heads and meth...

Fluid ejection device structures and methods therefor

Methods of deep reactive ion etching

Fluid ejection device structures and methods therefor

Microfluidic substrates having improved fluidic channels

Micro-fluid ejection head containing reentrant fluid feed slots

Multiple layer etch stop and etching method

Micro-fluid ejection assemblies

Method for making a micro-fluid ejection device

Method for dry etching fluid feed slots in a silicon substrate

Micro-fluid ejection head containing reentrant fluid feed slots

Methods for improving flow through fluidic channels

Patents Applicationslast 30 patents

Method and Apparatus for Maximizing Cooling for Wafer Processing

Methods of Etching Polymeric Materials Suitable for Making Micro-Fl...

METHOD FOR MAKING A MICRO-FLUID EJECTION DEVICE

METHOD FOR DRY ETCHING FLUID FEED SLOTS IN A SILICON SUBSTRATE

Flexible Adhesive Materials for Micro-Fluid Ejection Heads and Meth...

Method for dry etching fluid feed slots in a silicon substrate

Multiple layer etch stop and etching method

Micro-fluid ejection head containing reentrant fluid feed slots

Micro-fluid ejection head containing reentrant fluid feed slots

Microfluidic substrates having improved fluidic channels

Methods of deep reactive ion etching

Micro-fluid ejection assemblies

Fluid ejection device structures and methods therefor

Fluid ejection device structures and methods therefor

Micro-fluid ejection assemblies

Method for making a micro-fluid ejection device

Methods for improving flow through fluidic channels