Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9415544 | Wall smoothness, feature accuracy and resolution in projected images via exposure levels in solid imaging | Thomas A. Kerekes, Yong Chen, Charles W. Hull | 2016-08-16 |
| 8703037 | Edge smoothness with low resolution projected images for use in solid imaging | Charles W. Hull, Charles R. Sperry, Patrick Dunne, Suzanne M. Scott, Dennis F. McNamara, Jr. +1 more | 2014-04-22 |
| 8221671 | Imager and method for consistent repeatable alignment in a solid imaging apparatus | Charles W. Hull, Charles R. Sperry, Suzanne M. Scott, Dennis F. McNamara, Jr. | 2012-07-17 |
| 7906061 | Bubble-free cross-sections for use in solid imaging | Raymond Soliz, Dennis F. McNamara, Jr., Charles R. Sperry, Charles W. Hull | 2011-03-15 |
| 7807947 | Laser sintering process chamber gas curtain window cleansing in a laser sintering system | Ning Zheng, Raymond J. Bishop | 2010-10-05 |
| 7771183 | Solid imaging system with removal of excess uncured build material | Charles W. Hull, Ray Soliz, William J. Pappas | 2010-08-10 |
| 7758799 | Edge smoothness with low resolution projected images for use in solid imaging | Charles W. Hull, Charles R. Sperry, Patrick Dunne, Suzanne M. Scott, Dennis F. McNamara, Jr. +1 more | 2010-07-20 |
| 7731887 | Method for removing excess uncured build material in solid imaging | Charles W. Hull, Ray Soliz, William J. Pappas, Mehdi Mojdeh | 2010-06-08 |
| 7706910 | Imager assembly and method for solid imaging | Charles W. Hull | 2010-04-27 |
| 7614866 | Solid imaging apparatus and method | Charles R. Sperry, Dennis F. McNamara, Jr., Suzanne M. Scott, Charles W. Hull, Mehdi Mojdeh +2 more | 2009-11-10 |
| 7339712 | Laser scanning and power control in a rapid prototyping system | Thomas A. Kerekes | 2008-03-04 |
| 6930278 | Continuous calibration of a non-contact thermal sensor for laser sintering | Tae Mark Chung | 2005-08-16 |
| 6646728 | Calibrating a focused beam of energy in a solid freeform fabrication apparatus by measuring the propagation characteristics of the beam | Nansheng Tang | 2003-11-11 |
| 6532100 | Extended lifetime frequency conversion crystals | Xingkun Wu, Gary Reynolds, William F. Hug | 2003-03-11 |
| 6426840 | Electronic spot light control | Nansheng Tang, Xingkun Wu | 2002-07-30 |
| 6406658 | Stereolithographic method and apparatus for production of three dimensional objects using multiple beams of different diameters | Chris R. Manners, Michelle D. Guertin, Hop D. Nguyen, Nansheng Tang, Michael A. Everett | 2002-06-18 |
| 6347101 | Laser with absorption optimized pumping of a gain medium | Xingkun Wu, William F. Hug, Hamid Hemmati | 2002-02-12 |
| 6325961 | Stereolithographic method and apparatus with enhanced control of prescribed stimulation and application | Ross D. Beers, Nansheng Tang | 2001-12-04 |
| 6261506 | Method of making a three-dimensional object | Hop D. Nguyen | 2001-07-17 |
| 6215095 | Apparatus and method for controlling exposure of a solidifiable medium using a pulsed radiation source in building a three-dimensional object using stereolithography | Dennis R. Smalley | 2001-04-10 |
| 6172996 | Apparatus and method for forming three-dimensional objects in stereolithography utilizing a laser exposure system with a diode pumped frequency-multiplied solid state laser | William F. Hug | 2001-01-09 |
| 6157663 | Laser with optimized coupling of pump light to a gain medium in a side-pumped geometry | Xingkun Wu, William F. Hug, Hamid Hemmati | 2000-12-05 |
| 6129884 | Stereolithographic method and apparatus with enhanced control of prescribed stimulation production and application | Ross D. Beers, Arvind Chari, Nansheng Tang | 2000-10-10 |
| 6001297 | Method for controlling exposure of a solidfiable medium using a pulsed radiation source in building a three-dimensional object using stereolithography | Dennis R. Smalley | 1999-12-14 |
| 5855718 | Method of and apparatus for making partially solidified three-dimensional objects on a layer-by-layer basis from a solidifiable medium | Hop D. Nguyen | 1999-01-05 |