Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11788621 | Piston assembly formed of interlocking piston members | Michael J. Vandervort, Joshua J. Shelander | 2023-10-17 |
| 10919310 | Methods for operating printhead inkjets to attenuate ink drying in the inkjets during printing operations | Stuart A. Schweid, David J. Metcalfe | 2021-02-16 |
| 9561644 | System and method for compensating for malfunctioning inkjets | Roger L. Triplett, Stuart A. Schweid, Martin L. Frachioni | 2017-02-07 |
| 9302519 | System for detecting malfunctioning ejectors in three-dimensional object printing using specular reflectance | Frank B. Tamarez Gomez, Timothy P. Foley, Paul S. Bonino | 2016-04-05 |
| 9090113 | System for detecting inoperative ejectors in three-dimensional object printing using a pneumatic sensor | Timothy P. Foley, Paul S. Bonino, Frank B. Tamarez Gomez | 2015-07-28 |
| 9079440 | System for detecting inoperative inkjets in printheads ejecting clear ink using a light transmitting substrate | Paul S. Bonino, Frank B. Tamarez Gomez, Timothy P. Foley | 2015-07-14 |
| 8807695 | System and method for estimating ink usage in an inkjet printer | David A. Mantell, David J. Metcalfe, Martin L. Frachioni | 2014-08-19 |
| 8712925 | Method and system for billing based on color component histograms | Stuart A. Schweid, Roger L. Triplett | 2014-04-29 |
| 8670154 | Data architecture for mixed resolution interleaved cross-channel data flow and format | Peter A. Crean, Robert P. Loce | 2014-03-11 |
| 8660373 | PDF de-chunking and object classification | Zhigang Fan, Reiner Eschbach, Michael Branciforte, Farzin Blurfrushan, Roger L. Triplett +3 more | 2014-02-25 |
| 8305640 | Distributed data flow for page parallel image processing within printing systems | Isaak Rivshin, Daniel Davies, Dale T. Platteter, Michael W. Marchetti | 2012-11-06 |
| 6631215 | Method and apparatus for implementing integrated cavity effect correction in scanners | Jeng-Nan Shiau, Stuart A. Schweid, Terri A. Clingerman | 2003-10-07 |
| 6411735 | Method and apparatus for distinguishing between noisy continuous tone document types and other document types to maintain reliable image segmentation | Leon C. Williams, Stuart A. Schweid | 2002-06-25 |
| 6347153 | Method and system for classifying and processing of pixels of image data | Roger L. Triplett, Jeng-Nan Shiau | 2002-02-12 |
| 6229923 | Method and system for classifying and processing of pixels of image data | Leon C. Williams, Jeng-Nan Shiau | 2001-05-08 |
| 6185336 | Method and system for classifying a halftone pixel based on noise injected halftone frequency estimation | Stuart A. Schweid | 2001-02-06 |
| 6181829 | Method and system for classifying and processing of pixels of image data | Leon C. Williams, Stuart A. Schweid, Jeng-Nan Shiau | 2001-01-30 |
| 6137907 | Method and apparatus for pixel-level override of halftone detection within classification blocks to reduce rectangular artifacts | Jeng-Nan Shiau | 2000-10-24 |
| 6128408 | Method for augmenting sum-of-laplacians in light and dark areas of halftone field to maintain reliable segmentation | — | 2000-10-03 |
| 5852678 | Detection and rendering of text in tinted areas | Jeng-Nan Shiau, Zhigang Fan | 1998-12-22 |
| 5765029 | Method and system for fuzzy image classification | Stuart A. Schweid, Jeng-Nan Shiau | 1998-06-09 |
| 4757389 | Calibration improvement with dither for a raster input scanner | Leon C. Williams | 1988-07-12 |
| 4263458 | Preparation of aromatic fluoro-compounds | Roy D. Bowden, Leslie Burgess | 1981-04-21 |