CL

Chu-heng Liu

Xerox: 226 patents #7 of 8,622Top 1%
AT Additive Technologies: 10 patents #1 of 34Top 3%
PI Palo Alto Research Center Incorporated: 9 patents #177 of 776Top 25%
📍 Penfield, NY: #1 of 745 inventorsTop 1%
🗺 New York: #97 of 115,490 inventorsTop 1%
Overall (All Time): #2,273 of 4,157,543Top 1%
237
Patents All Time

Issued Patents All Time

Showing 1–25 of 237 patents

Patent #TitleCo-InventorsDate
12337534 Additive manufacturing method for embedding fibers in a three-dimensional structure Barry P. Mandel, David A. Mantell, Mandakini Kanungo 2025-06-24
12219110 Security printing using mixed spot sizes in stochastic or frequency modulated halftone images Jorge A. Alvarez, Douglas L. Herrmann, Jason M. LeFevre, Seemit Praharaj 2025-02-04
12208616 Inspection system for three-dimensional printer and methods thereof Peter J. Knausdorf, Sakib Zargar, Joseph C. Sheflin, Palghat S. Ramesh, Collin Alexander Ladd +1 more 2025-01-28
12157321 System and method for improving ink image quality in an inkjet printer Douglas K. Herrmann, Seemit Praharaj, Jason M. LeFevre, Jorge A. Alvarez 2024-12-03
12151489 System and method for cooling paper within a printer assembly Seemit Praharaj, Jason M. LeFevre, Douglas K. Herrmann, Jorge A. Alvarez, Yumeng Wu 2024-11-26
12109656 Metal drop ejecting three-dimensional (3D) object printer and method of operation for forming metal support structures Paul J. McConville, Jason M. LeFevre, Douglas K. Herrmann, Seemit Praharaj 2024-10-08
12109615 System and method for magnetohydrodynamic (MHD) printhead/nozzle 2024-10-08
12086403 Scrolling protective film system for touchscreen Douglas K. Herrmann, Seemit Praharaj, Jason M. LeFevre, Paul J. McConville, Linn C. Hoover +1 more 2024-09-10
12083599 Nozzle cleaning in jetting of metal alloys Scott J. Vader, Paul J. McConville, David A. Mantell, Christopher T. Chungbin, Peter M. Gulvin 2024-09-10
12070945 System and method for varying ejected ink drop volumes to improve ink image quality in an inkjet printer Jorge A. Alvarez, Jason M. LeFevre, Seemit Praharaj, Douglas K. Herrmann 2024-08-27
12053982 System and method for selecting inkjets to improve ink image quality in an inkjet printer Seemit Praharaj, Jason M. LeFevre, Douglas K. Herrmann, Jorge A. Alvarez 2024-08-06
11999165 Method for magnetohydrodynamic (MHD) printhead/nozzle reuse 2024-06-04
11934712 System and method for automatically diagnosing media handling defects in a printing device Jason M. LeFevre, Douglas K. Herrmann, Seemit Praharaj 2024-03-19
11931799 Metal drop ejecting three-dimensional (3D) object printer and method of operation for forming metal support structures Paul J. McConville, Douglas K. Herrmann, Seemit Praharaj, Jason M. LeFevre 2024-03-19
11912045 System and method for printing color images on substrates in an inkjet printer Jason M. LeFevre, Seemit Praharaj, Douglas K. Herrmann, Jorge A. Alvarez 2024-02-27
11890673 Dross extraction system and methods thereof Linn C. Hoover, Joseph C. Sheflin, Jason M. LeFevre, Seemit Praharaj, David A. VanKouwenberg +1 more 2024-02-06
11878349 Metal drop ejecting three-dimensional (3D) object printer and method of operation for forming metal support structures Seemit Praharaj, Douglas K. Herrmann, Thomas J. Wyble, Jason M. LeFevre, Paul J. McConville 2024-01-23
11858276 Resistive liquid metal level sensing in a magnetohydrodynamic (MHD) jetting system Paul J. McConville, David L. Knierim 2024-01-02
11850842 Devices, systems, and methods for supplying makeup air through openings in carrier plates of printing systems via air guide structures extending into the openings Patrick J. Howe, John Baker, Brian M. Balthasar, Glenn D. Batchelor, Anthony S. Condello +14 more 2023-12-26
11853629 System and method for feed forward control of printhead temperature in an inkjet printer to improve ink image quality Jason M. LeFevre, Seemit Praharaj, Jorge A. Alvarez, Douglas K. Herrmann 2023-12-26
11845227 Micro-welding using a three-dimensional printer Jason M. LeFevre, Douglas K. Herrmann, Paul J. McConville, Seemit Praharaj 2023-12-19
11839916 Device and method for cleaning an orifice in a metal drop ejecting three-dimensional (3D) metal object Viktor Sukhotskiy, Joseph C. Sheflin, Brian M. Balthasar, Peter J. Knausdorf 2023-12-12
11787211 Sheet cooling system for a printing device Jason M. LeFevre, Douglas K. Herrmann, Seemit Praharaj, Jorge A. Alvarez 2023-10-17
11766829 Surface treated additive manufacturing printhead nozzles and methods for the same Santokh S. Badesha, Varun Sambhy, Peter M. Gulvin, Mark A. Cellura, George Shannon +2 more 2023-09-26
11760112 Airflow control in a printing system, and related devices, systems, and methods Seemit Praharaj, Douglas K. Herrmann, Jason M. LeFevre, Paul J. McConville 2023-09-19