Stuart D. Howkins

Person

Ridgefield, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Determination of a maximum jetting frequency for an inkjet head
- Patent number 9,944,070
- Issue date Apr 17, 2018
- Ricoh Company, Ltd.
- Stuart Howkins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Obtaining high frequency performance by controlling chamber pressure
- Patent number 6,932,458
- Issue date Aug 23, 2005
- Ricoh Printing Systems America, Inc.
- Stuart D. Howkins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Structurally isolated inertial transducers for a printing system
- Patent number 6,893,112
- Issue date May 17, 2005
- Ricoh Printing Systems America, Inc.
- Stuart D. Howkins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Short delay phased firing to reduce crosstalk in an inkjet printing...
- Patent number 6,719,390
- Issue date Apr 13, 2004
- Hitachi Printing Solutions America, Inc.
- Stuart D. Howkins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printhead with reduced crosstalk
- Patent number 6,394,589
- Issue date May 28, 2002
- Hitachi Koki Co., Ltd.
- Charles A. Willus
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printer transducer array with stacked or single flat plate...
- Patent number 6,050,679
- Issue date Apr 18, 2000
- Hitachi Koki Imaging Solutions, Inc.
- Stuart David Howkins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Acoustic microstreaming in an ink jet apparatus
- Patent number 4,973,980
- Issue date Nov 27, 1990
- Dataproducts Corporation
- Stuart D. Howkins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet method and apparatus for reducing cross talk
- Patent number 4,788,557
- Issue date Nov 29, 1988
- Dataproducts Corporation
- Stuart Howkins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of operating an ink jet having high frequency stable operation
- Patent number 4,697,193
- Issue date Sep 29, 1987
- Exxon Printing Systems, Inc.
- Stuart D. Howkins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Multipulsing method for operating an ink jet apparatus for printing...
- Patent number 4,686,539
- Issue date Aug 11, 1987
- Lisa M. Schmidle
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of operating an ink jet
- Patent number 4,646,106
- Issue date Feb 24, 1987
- Exxon Printing Systems, Inc.
- Stuart D. Howkins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for operating an ink jet device to obtain high resolution pr...
- Patent number 4,593,291
- Issue date Jun 3, 1986
- Exxon Research and Engineering Co.
- Stuart D. Howkins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for operating an ink jet apparatus
- Patent number 4,523,200
- Issue date Jun 11, 1985
- Exxon Research and Engineering Co.
- Stuart D. Howkins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of operating an ink jet
- Patent number 4,509,059
- Issue date Apr 2, 1985
- Exxon Research and Engineering Co.
- Stuart D. Howkins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet method and apparatus
- Patent number 4,459,601
- Issue date Jul 10, 1984
- Exxon Research and Engineering Co.
- Stuart D. Howkins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Structurally isolated inertial transducers for a printing system
- Publication number 20040169703
- Publication date Sep 2, 2004
- HITACHI PRINTING SOLUTIONS AMERICA, INC.
- Stuart D. Howkins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Obtaining high frequency performance by controlling chamber pressure
- Publication number 20040100528
- Publication date May 27, 2004
- HITACHI PRINTING SOLUTIONS AMERICA, INC.
- Stuart D. Howkins
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Stuart D. Howkins

Person

Patents Grantslast 30 patents

Determination of a maximum jetting frequency for an inkjet head

Obtaining high frequency performance by controlling chamber pressure

Structurally isolated inertial transducers for a printing system

Short delay phased firing to reduce crosstalk in an inkjet printing...

Ink jet printhead with reduced crosstalk

Ink jet printer transducer array with stacked or single flat plate...

Acoustic microstreaming in an ink jet apparatus

Ink jet method and apparatus for reducing cross talk

Method of operating an ink jet having high frequency stable operation

Multipulsing method for operating an ink jet apparatus for printing...

Method of operating an ink jet

Method for operating an ink jet device to obtain high resolution pr...

Method for operating an ink jet apparatus

Method of operating an ink jet

Ink jet method and apparatus

Patents Applicationslast 30 patents

Structurally isolated inertial transducers for a printing system

Obtaining high frequency performance by controlling chamber pressure