Chu-Heng Liu

Person

Penfield, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Inspection system for three-dimensional printer and methods thereof
- Patent number 12,208,616
- Issue date Jan 28, 2025
- Additive Technologies, LLC
- Peter Knausdorf
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for improving ink image quality in an inkjet printer
- Patent number 12,157,321
- Issue date Dec 3, 2024
- Xerox Corporation
- Douglas K. Herrmann
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
System and method for cooling paper within a printer assembly
- Patent number 12,151,489
- Issue date Nov 26, 2024
- Xerox Corporation
- Seemit Praharaj
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
System and method for magnetohydrodynamic (MHD) printhead/nozzle
- Patent number 12,109,615
- Issue date Oct 8, 2024
- Additive Technologies, LLC
- Chu-heng Liu
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Metal drop ejecting three-dimensional (3D) object printer and metho...
- Patent number 12,109,656
- Issue date Oct 8, 2024
- Additive Technologies LLC
- Chu-Heng Liu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Scrolling protective film system for touchscreen
- Patent number 12,086,403
- Issue date Sep 10, 2024
- Xerox Corporation
- Douglas K. Herrmann
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Nozzle cleaning in jetting of metal alloys
- Patent number 12,083,599
- Issue date Sep 10, 2024
- Additive Technologies LLC
- Chu-Heng Liu
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
System and method for varying ejected ink drop volumes to improve i...
- Patent number 12,070,945
- Issue date Aug 27, 2024
- Xerox Corporation
- Jorge A. Alvarez
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for selecting inkjets to improve ink image qualit...
- Patent number 12,053,982
- Issue date Aug 6, 2024
- Xerox Corporation
- Seemit Praharaj
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for magnetohydrodynamic (MHD) printhead/nozzle reuse
- Patent number 11,999,165
- Issue date Jun 4, 2024
- Additive Technologies, LLC
- Chu-heng Liu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
System and method for automatically diagnosing media handling defec...
- Patent number 11,934,712
- Issue date Mar 19, 2024
- Xerox Corporation
- Jason LeFevre
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Metal drop ejecting three-dimensional (3D) object printer and metho...
- Patent number 11,931,799
- Issue date Mar 19, 2024
- Additive Technologies LLC
- Paul J. McConville
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
System and method for printing color images on substrates in an ink...
- Patent number 11,912,045
- Issue date Feb 27, 2024
- Xerox Corporation
- Jason M. LeFevre
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Dross extraction system and methods thereof
- Patent number 11,890,673
- Issue date Feb 6, 2024
- Additive Technologies, LLC
- Linn C. Hoover
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Metal drop ejecting three-dimensional (3D) object printer and metho...
- Patent number 11,878,349
- Issue date Jan 23, 2024
- Xerox Corporation
- Seemit Praharaj
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Resistive liquid metal level sensing in a magnetohydrodynamic (MHD)...
- Patent number 11,858,276
- Issue date Jan 2, 2024
- Additive Technologies, LLC
- Chu-heng Liu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Devices, systems, and methods for supplying makeup air through open...
- Patent number 11,850,842
- Issue date Dec 26, 2023
- Xerox Corporation
- Patrick Jun Howe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
System and method for feed forward control of printhead temperature...
- Patent number 11,853,629
- Issue date Dec 26, 2023
- Xerox Corporation
- Chu-Heng Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Micro-welding using a three-dimensional printer
- Patent number 11,845,227
- Issue date Dec 19, 2023
- Additive Technologies, LLC
- Jason M. LeFevre
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Device and method for cleaning an orifice in a metal drop ejecting...
- Patent number 11,839,916
- Issue date Dec 12, 2023
- Additive Technologies LLC
- Viktor Sukhotskiy
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sheet cooling system for a printing device
- Patent number 11,787,211
- Issue date Oct 17, 2023
- Xerox Corporation
- Jason M. LeFevre
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Surface treated additive manufacturing printhead nozzles and method...
- Patent number 11,766,829
- Issue date Sep 26, 2023
- Xerox Corporation
- Santokh S. Badesha
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Airflow control in a printing system, and related devices, systems,...
- Patent number 11,760,112
- Issue date Sep 19, 2023
- Xerox Corporation
- Seemit Praharaj
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Airflow control via airflow zones in vacuum plenum of a printing sy...
- Patent number 11,738,574
- Issue date Aug 29, 2023
- Xerox Corporation
- Chu-Heng Liu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Sheet registration using rotatable frame
- Patent number 11,738,959
- Issue date Aug 29, 2023
- Xerox Corporation
- Matthew L. Gesner
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Airflow control in a printing system via media registration, and re...
- Patent number 11,718,107
- Issue date Aug 8, 2023
- Xerox Corporation
- Chu-Heng Liu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
System and method for preserving ink viscosity in inkjets in an ink...
- Patent number 11,712,897
- Issue date Aug 1, 2023
- Xerox Corporation
- Varun Sambhy
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Devices, systems, and methods for supplying makeup air through open...
- Patent number 11,697,296
- Issue date Jul 11, 2023
- Xerox Corporation
- Douglas K. Herrmann
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method and apparatus for in-situ digital image forming fountain sol...
- Patent number 11,685,150
- Issue date Jun 27, 2023
- Xerox Corporation
- Seemit Praharaj
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
System and method for preserving ink viscosity in inkjets in an ink...
- Patent number 11,673,393
- Issue date Jun 13, 2023
- Xerox Corporation
- Varun Sambhy
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Nozzle Cleaning in Jetting of Metal Alloys
- Publication number 20250001496
- Publication date Jan 2, 2025
- ADDITIVE TECHNOLOGIES LLC
- Chu-Heng Liu
- B22 - CASTING POWDER METALLURGY
Information Patent Application
VARIABLE LINE SPACING PRINT METHOD FOR UNSUPPORTED FEATURES IN THRE...
- Publication number 20240424560
- Publication date Dec 26, 2024
- Additive Technologies, LLC d/b/a ADDiTEC
- PriyaankaDevi GUGGILAPU
- B22 - CASTING POWDER METALLURGY
Information Patent Application
BIMETALLIC COMPOSITE PARTS AND METHODS THEREOF
- Publication number 20240425963
- Publication date Dec 26, 2024
- Additive Technologies LLC d/b/a ADDITEC
- Collin Alexander LADD
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SYSTEM AND METHOD FOR MAGNETOHYDRODYNAMIC (MHD) PRINTHEAD/NOZZLE
- Publication number 20240424571
- Publication date Dec 26, 2024
- Additive Technologies, LLC dba ADDiTEC
- Chu-heng LIU
- B22 - CASTING POWDER METALLURGY
Information Patent Application
PERIMETER AND INFILL OPTIMIZATIONS FOR LIQUID METAL JETTING 3D PRIN...
- Publication number 20240399515
- Publication date Dec 5, 2024
- Additive Technologies, LLC d/b/a ADDiTEC
- Chu-Heng LIU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SYSTEM AND METHOD FOR IMPROVING INK IMAGE QUALITY IN AN INKJET PRINTER
- Publication number 20240253363
- Publication date Aug 1, 2024
- Xerox Corporation
- Douglas K. Herrmann
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD OF OPERATING A METAL DROP EJECTING THREE-DIMENSIONAL (3D) OB...
- Publication number 20240207925
- Publication date Jun 27, 2024
- ADDITIVE TECHNOLOGIES LLC
- Paul J. McConville
- B22 - CASTING POWDER METALLURGY
Information Patent Application
INSPECTION SYSTEM FOR THREE-DIMENSIONAL PRINTER AND METHODS THEREOF
- Publication number 20240173972
- Publication date May 30, 2024
- Xerox Corporation
- Peter KNAUSDORF
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR SELECTING INKJETS TO IMPROVE INK IMAGE QUALIT...
- Publication number 20240083165
- Publication date Mar 14, 2024
- Xerox Corporation
- Seemit Praharaj
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and Method for Cooling Paper within a Printer Assembly
- Publication number 20240034079
- Publication date Feb 1, 2024
- Xerox Corporation
- Seemit PRAHARAJ
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
SECURITY PRINTING USING MIXED SPOT SIZES IN STOCHASTIC OR FREQUENCY...
- Publication number 20240015258
- Publication date Jan 11, 2024
- Chu-heng Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR VARYING EJECTED INK DROP VOLUMES TO IMPROVE I...
- Publication number 20230398778
- Publication date Dec 14, 2023
- Xerox Corporation
- Jorge A. Alvarez
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR REGULATING THE TEMPERATURE OF AN INKJET PRINT...
- Publication number 20230309404
- Publication date Sep 28, 2023
- Xerox Corporation
- Douglas K. Herrmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEM AND METHOD FOR PRINTING COLOR IMAGES ON SUBSTRATES IN AN INK...
- Publication number 20230302833
- Publication date Sep 28, 2023
- Xerox Corporation
- Jason M. LeFevre
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD FOR PRESERVING INK VISCOSITY IN INKJETS IN AN INKJET PRINTER...
- Publication number 20230286275
- Publication date Sep 14, 2023
- Xerox Corporation
- Varun Sambhy
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
SHEET COOLING SYSTEM FOR A PRINTING DEVICE
- Publication number 20230286305
- Publication date Sep 14, 2023
- Xerox Corporation
- Jason M. LeFevre
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
DROSS EXTRACTION SYSTEM FOR AN MHD PRINTER AND METHODS THEREOF
- Publication number 20230256749
- Publication date Aug 17, 2023
- Xerox Corporation
- Joseph C. SHEFLIN
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
SYSTEM AND METHOD FOR PRESERVING INK VISCOSITY IN INKJETS IN AN INK...
- Publication number 20230234356
- Publication date Jul 27, 2023
- Xerox Corporation
- Varun Sambhy
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
DEVICE AND METHOD FOR CLEANING AN ORIFICE IN A METAL DROP EJECTING...
- Publication number 20230226614
- Publication date Jul 20, 2023
- Xerox Corporation
- Viktor Sukhotskiy
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METAL DROP EJECTING THREE-DIMENSIONAL (3D) OBJECT PRINTER AND METHO...
- Publication number 20230173585
- Publication date Jun 8, 2023
- Xerox Corporation
- Douglas K. Herrmann
- B22 - CASTING POWDER METALLURGY
Information Patent Application
SYSTEM AND METHOD FOR AUTOMATICALLY DIAGNOSING MEDIA HANDLING DEFEC...
- Publication number 20230153040
- Publication date May 18, 2023
- Xerox Corporation
- Jason LeFevre
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METAL DROP EJECTING THREE-DIMENSIONAL (3D) OBJECT PRINTER AND IMPRO...
- Publication number 20230150026
- Publication date May 18, 2023
- Xerox Corporation
- Joseph C. Sheflin
- B22 - CASTING POWDER METALLURGY
Information Patent Application
SYSTEM AND METHOD FOR PRESERVING INK VISCOSITY IN INKJETS IN AN INK...
- Publication number 20230150264
- Publication date May 18, 2023
- Xerox Corporation
- Varun Sambhy
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Additive Manufacturing Method For Embedding Fibers In A Three-Dimen...
- Publication number 20230143131
- Publication date May 11, 2023
- Xerox Corporation
- Barry P. Mandel
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
SYSTEM AND METHOD FOR PRINTING COLOR IMAGES ON SUBSTRATES IN AN INK...
- Publication number 20230107102
- Publication date Apr 6, 2023
- Xerox Corporation
- Jason M. LeFevre
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METAL DROP EJECTING THREE-DIMENSIONAL (3D) OBJECT PRINTER AND METHO...
- Publication number 20230063103
- Publication date Mar 2, 2023
- Xerox Corporation
- Paul J. McConville
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Dross Mitigation Method And Device in A MHD Printer
- Publication number 20230051340
- Publication date Feb 16, 2023
- Xerox Corporation
- Chu-Heng Liu
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
METAL DROP EJECTING THREE-DIMENSIONAL (3D) OBJECT PRINTER AND METHO...
- Publication number 20230037539
- Publication date Feb 9, 2023
- Xerox Corporation
- Seemit Praharaj
- B22 - CASTING POWDER METALLURGY
Information Patent Application
VESSEL FOR MELTING METAL IN A METAL DROP EJECTING THREE-DIMENSIONAL...
- Publication number 20230034213
- Publication date Feb 2, 2023
- Xerox Corporation
- Jason M. LeFevre
- B22 - CASTING POWDER METALLURGY
Information Patent Application
DROSS EXTRACTION SYSTEM AND METHODS THEREOF
- Publication number 20230015142
- Publication date Jan 19, 2023
- Xerox Corporation
- Linn C. Hoover
- B22 - CASTING POWDER METALLURGY

Chu-Heng Liu

Person

Patents Grantslast 30 patents

Inspection system for three-dimensional printer and methods thereof

System and method for improving ink image quality in an inkjet printer

System and method for cooling paper within a printer assembly

System and method for magnetohydrodynamic (MHD) printhead/nozzle

Metal drop ejecting three-dimensional (3D) object printer and metho...

Scrolling protective film system for touchscreen

Nozzle cleaning in jetting of metal alloys

System and method for varying ejected ink drop volumes to improve i...

System and method for selecting inkjets to improve ink image qualit...

Method for magnetohydrodynamic (MHD) printhead/nozzle reuse

System and method for automatically diagnosing media handling defec...

Metal drop ejecting three-dimensional (3D) object printer and metho...

System and method for printing color images on substrates in an ink...

Dross extraction system and methods thereof

Metal drop ejecting three-dimensional (3D) object printer and metho...

Resistive liquid metal level sensing in a magnetohydrodynamic (MHD)...

Devices, systems, and methods for supplying makeup air through open...

System and method for feed forward control of printhead temperature...

Micro-welding using a three-dimensional printer

Device and method for cleaning an orifice in a metal drop ejecting...

Sheet cooling system for a printing device

Surface treated additive manufacturing printhead nozzles and method...

Airflow control in a printing system, and related devices, systems,...

Airflow control via airflow zones in vacuum plenum of a printing sy...

Sheet registration using rotatable frame

Airflow control in a printing system via media registration, and re...

System and method for preserving ink viscosity in inkjets in an ink...

Devices, systems, and methods for supplying makeup air through open...

Method and apparatus for in-situ digital image forming fountain sol...

System and method for preserving ink viscosity in inkjets in an ink...

Patents Applicationslast 30 patents

Nozzle Cleaning in Jetting of Metal Alloys

VARIABLE LINE SPACING PRINT METHOD FOR UNSUPPORTED FEATURES IN THRE...

BIMETALLIC COMPOSITE PARTS AND METHODS THEREOF

SYSTEM AND METHOD FOR MAGNETOHYDRODYNAMIC (MHD) PRINTHEAD/NOZZLE

PERIMETER AND INFILL OPTIMIZATIONS FOR LIQUID METAL JETTING 3D PRIN...

SYSTEM AND METHOD FOR IMPROVING INK IMAGE QUALITY IN AN INKJET PRINTER

METHOD OF OPERATING A METAL DROP EJECTING THREE-DIMENSIONAL (3D) OB...

INSPECTION SYSTEM FOR THREE-DIMENSIONAL PRINTER AND METHODS THEREOF

SYSTEM AND METHOD FOR SELECTING INKJETS TO IMPROVE INK IMAGE QUALIT...

System and Method for Cooling Paper within a Printer Assembly

SECURITY PRINTING USING MIXED SPOT SIZES IN STOCHASTIC OR FREQUENCY...

SYSTEM AND METHOD FOR VARYING EJECTED INK DROP VOLUMES TO IMPROVE I...

SYSTEM AND METHOD FOR REGULATING THE TEMPERATURE OF AN INKJET PRINT...

SYSTEM AND METHOD FOR PRINTING COLOR IMAGES ON SUBSTRATES IN AN INK...

METHOD FOR PRESERVING INK VISCOSITY IN INKJETS IN AN INKJET PRINTER...

SHEET COOLING SYSTEM FOR A PRINTING DEVICE

DROSS EXTRACTION SYSTEM FOR AN MHD PRINTER AND METHODS THEREOF

SYSTEM AND METHOD FOR PRESERVING INK VISCOSITY IN INKJETS IN AN INK...

DEVICE AND METHOD FOR CLEANING AN ORIFICE IN A METAL DROP EJECTING...

METAL DROP EJECTING THREE-DIMENSIONAL (3D) OBJECT PRINTER AND METHO...

SYSTEM AND METHOD FOR AUTOMATICALLY DIAGNOSING MEDIA HANDLING DEFEC...

METAL DROP EJECTING THREE-DIMENSIONAL (3D) OBJECT PRINTER AND IMPRO...

SYSTEM AND METHOD FOR PRESERVING INK VISCOSITY IN INKJETS IN AN INK...

Additive Manufacturing Method For Embedding Fibers In A Three-Dimen...

SYSTEM AND METHOD FOR PRINTING COLOR IMAGES ON SUBSTRATES IN AN INK...

METAL DROP EJECTING THREE-DIMENSIONAL (3D) OBJECT PRINTER AND METHO...

Dross Mitigation Method And Device in A MHD Printer

METAL DROP EJECTING THREE-DIMENSIONAL (3D) OBJECT PRINTER AND METHO...

VESSEL FOR MELTING METAL IN A METAL DROP EJECTING THREE-DIMENSIONAL...

DROSS EXTRACTION SYSTEM AND METHODS THEREOF