Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6920913 | Method for processing casting materials to increase slurry lifetime | Karl Milton Taft, III, David H. Sturgis, Michael Gerald Sorbel, Mark E. Springgate, Douglas Gene Nikolas | 2005-07-26 |
| 6619368 | Method for imaging inclusions in investment castings | Mark E. Springgate, James Raphord Barrett, David H. Sturgis, Douglas Gene Nikolas | 2003-09-16 |
| 6390179 | Method for processing materials to increase slurry lifetime | Karl Milton Taft, III, David H. Sturgis, Michael Gerald Sorbel, Mark E. Springgate, Douglas Gene Nikolas | 2002-05-21 |
| 6326429 | Polymeric organic carbonate materials useful as fillers for investment casting waxes | David H. Sturgis, Karl Milton Taft, III, Michael Gerald Sorbel | 2001-12-04 |
| 6102099 | Method for imaging inclusions in investment castings | David H. Sturgis, James Raphord Barrett, Mark E. Springgate, Douglas Gene Nikolas | 2000-08-15 |
| 6024163 | Investment casting brittle, reactive materials | Mark E. Springgate, Douglas Gene Nikolas, David H. Sturgis | 2000-02-15 |
| 5927379 | Infiltration method for producing shells useful for investment casting | David H. Sturgis, William W. Kemp, Mark E. Springgate, Douglas Gene Nikolas | 1999-07-27 |
| 5643844 | Method for stabilizing ceramic suspensions | Mark E. Springgate, Douglas Gene Nikolas, William W. Kemp, David H. Sturgis, Renee Van Ginhoven | 1997-07-01 |
| 5624604 | Method for stabilizing ceramic suspensions | William W. Kemp, David H. Sturgis, Ilhan A. Aksay, Hamazo Nakagawa | 1997-04-29 |
| 5464797 | Yttria-zirconia slurries and mold facecoats for casting reactive metals | William W. Kemp, David H. Sturgis, Douglas Gene Nikolas, Gary L. Wright, Thomas J. Kelly, III +2 more | 1995-11-07 |
| 5407001 | Yttria-zirconia slurries and mold facecoats for casting reactive metals | William W. Kemp, David H. Sturgis, Douglas Gene Nikolas, Gary L. Wright, Thomas J. Kelly, III +2 more | 1995-04-18 |
| 5308422 | Method of making ceramic/metal composites with layers of high and low metal content | Ilhan A. Askay, David L. Milius, Gyeung-Ho Kim, Mehmet Sarikaya | 1994-05-03 |