Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6942733 | Fluid sealing system for a crystal puller | Robert D. Cook | 2005-09-13 |
| 6663709 | Crystal puller and method for growing monocrystalline silicon ingots | Zheng Lu, Mohsen Banan, Ying Tao, Lee William Ferry | 2003-12-16 |
| 6554898 | Crystal puller for growing monocrystalline silicon ingots | Zheng Lu, Mohsen Banan, Ying Tao, Lee William Ferry | 2003-04-29 |
| 6287382 | Electrode assembly for electrical resistance heater used in crystal growing apparatus | — | 2001-09-11 |
| 6285011 | Electrical resistance heater for crystal growing apparatus | — | 2001-09-04 |
| 6238483 | Apparatus for supporting a semiconductor ingot during growth | — | 2001-05-29 |
| 6203614 | Cable assembly for crystal puller | — | 2001-03-20 |
| 5935328 | Apparatus for use in crystal pulling | Harold W. Korb, Richard G. Schrenker, Dick S. Williams | 1999-08-10 |
| 4915569 | Combination machine tool apparatus and pallet changing system | — | 1990-04-10 |
| 4875693 | Arbor assembly | Ronald R. Nowak | 1989-10-24 |
| 4797989 | Combination machine tool apparatus and pallet changing system | — | 1989-01-17 |