Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837106 | Clamping assembly for a reactor system | Vivek Tomar, Lee William Ferry, Puneet Gupta, Satish Bhusarapu | 2020-11-17 |
| 9222196 | Directional solidification furnace for reducing melt contamination and reducing wafer contamination | Steven L. Kimbel, Jihong Chen, Lee William Ferry | 2015-12-29 |
| 8398765 | Controlling a melt-solid interface shape of a growing silicon crystal using an unbalanced magnetic field and iso-rotation | Hariprasad Sreedharamurthy, Milind Kulkarni, Joseph C. Holzer, Harold W. Korb | 2013-03-19 |
| 8317920 | Directional solidification furnace for reducing melt contamination and reducing wafer contamination | Steven L. Kimbel, Jihong Chen, Lee William Ferry | 2012-11-27 |
| 6797062 | Heat shield assembly for a crystal puller | Lee William Ferry, Hariprasad Sreedharamurthy | 2004-09-28 |
| 6579362 | Heat shield assembly for crystal puller | Lee William Ferry, Mohsen Banan | 2003-06-17 |
| 6503322 | Electrical resistance heater and method for crystal growing apparatus | William L. Luter | 2003-01-07 |
| 6482263 | Heat shield assembly for crystal pulling apparatus | Lee William Ferry, Steven L. Kimbel, Kirk D. McCallum | 2002-11-19 |
| 6093913 | Electrical heater for crystal growth apparatus with upper sections producing increased heating power compared to lower sections | William L. Luter | 2000-07-25 |
| 5935328 | Apparatus for use in crystal pulling | Carl F. Cherko, Harold W. Korb, Dick S. Williams | 1999-08-10 |
| 5840120 | Apparatus for controlling nucleation of oxygen precipitates in silicon crystals | Kyong-Min Kim, Roger W. Shaw, Sadasivam Chandrasekhar | 1998-11-24 |
| 5582642 | Apparatus and method for adjusting the position of a pull wire of a crystal pulling machine | Harold W. Korb, Dick S. Williams, Verlin A. Lauher | 1996-12-10 |