Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9982361 | Liquid-cooled heat exchanger | — | 2018-05-29 |
| 9683286 | Increased polysilicon deposition in a CVD reactor | Yuepeng Wan, Santhana Raghavan Parthasarathy, Adrian Servini, Chandra P. Khattak | 2017-06-20 |
| 9611565 | Crystal growth apparatus with ceramic coating and methods for preventing molten material breach in a crystal growth apparatus | Bhuvaragasamy G. Ravi, Parthasarathy Raghavan, Chandra P. Khattak, Dave Lackey, Dean Skelton | 2017-04-04 |
| 9303331 | Heater assembly for crystal growth apparatus | Parthasarathy Santhanaraghavan, Andriy M. Andrukhiv, Dave Lackey, Bhuvaragasamy G. Ravi | 2016-04-05 |
| 8647432 | Method of making large surface area filaments for the production of polysilicon in a CVD reactor | Yuepeng Wan, Santhana Raghavan Parthasarathy, Adrian Servini, Chandra P. Khattak | 2014-02-11 |
| 7540919 | Solidification of crystalline silicon from reusable crucible molds | Santhana Raghavan Parthasarathy, Yuepeng Wan, Jonathan A. Talbott, Kedar P. Gupta | 2009-06-02 |
| 6651014 | Apparatus for automatically measuring the resistivity of semiconductor boules by using the method of four probes | Mohan Chandra, David Darling, L. Dolan Roman, Glen Alan Burgess | 2003-11-18 |
| 4406731 | Apparatus for and method of sealing shafts in crystal-growing furnace systems | — | 1983-09-27 |
| 4350560 | Apparatus for and method of handling crystals from crystal-growing furnaces | Walter Helgeland, Alex Teverovsky, Kenneth H. Kerwin, II | 1982-09-21 |