Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11866804 | Preparation of rare earth metals and other chemicals from industrial waste coal ash | Nien-Hwa Linda Wang, Hoon Choi | 2024-01-09 |
| 11186894 | Preparation of rare earth metals and other chemicals from industrial waste coal ash | Nien-Hwa Linda Wang, Hoon Choi | 2021-11-30 |
| 10633765 | Method for maintaining contained volume of molten material from which material is depleted and replenished | Ralf Jonczyk, Richard Wallace | 2020-04-28 |
| 8764901 | Removing a sheet from the surface of a melt using elasticity and buoyancy | Peter L. Kellerman, Dawei Sun, Brian T. Helenbrook | 2014-07-01 |
| 8388751 | Controlling transport of gas borne contaminants across a ribbon surface | Weidong Huang, Scott Reitsma, Minh Sy Le | 2013-03-05 |
| 8328932 | Ribbon crystal pulling furnace afterheater with at least one opening | Weidong Huang, Scott Reitsma | 2012-12-11 |
| 8293007 | Removable thermal control for ribbon crystal pulling furnaces | Richard Wallace, Weidong Huang, Scott Reitsma, Christine Richardson | 2012-10-23 |
| 7780782 | Method and apparatus for growing a ribbon crystal with localized cooling | Weidong Huang, Richard Wallace, Scott Reitsma | 2010-08-24 |
| 6394794 | Modular furnace system | David A. Bloom, Robert Bouchard, Geoffrey C. Neiley, III, Donald A. Seccombe, Jr., Terrance Wong +3 more | 2002-05-28 |
| 5814789 | Forced convection furnance gas plenum | Brian O'Leary, Francis C. Nutter, Martin I. Soderlund | 1998-09-29 |
| 5695331 | Multiple width boat carrier for vertical ovens | Francis C. Nutter, Gerald E. Waldron | 1997-12-09 |
| 5411897 | Machine and method for applying solder paste to electronic devices such as solar cells | Scott E. Danielson, John W. Dacey | 1995-05-02 |
| 5102494 | Wet-tip die for EFG cyrstal growth apparatus | Dana L. Winchester, Brian H. Mackintosh, Sankerlingam Rajendran | 1992-04-07 |
| 5098229 | Source material delivery system | Frederick U. Meier, Mark F. Larrousse | 1992-03-24 |
| 5037622 | Wet-tip die for EFG crystal growth apparatus | Dana L. Winchester, Brian H. Mackintosh, Sankerlingam Rajendran | 1991-08-06 |
| 4937053 | Crystal growing apparatus | — | 1990-06-26 |
| 4757707 | Molten metal gas analysis | David T. Wilson | 1988-07-19 |
| 4199349 | Production of sponge iron | Jonathan Wood, George A. Pickin | 1980-04-22 |