CK

Chandra P. Khattak

CS Crystal Systems: 11 patents #2 of 9Top 25%
GT Gtat: 3 patents #27 of 101Top 30%
Overall (All Time): #256,310 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9683286 Increased polysilicon deposition in a CVD reactor Yuepeng Wan, Santhana Raghavan Parthasarathy, Carl Chartier, Adrian Servini 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, Carl Chartier, Dave Lackey, Dean Skelton 2017-04-04
8647432 Method of making large surface area filaments for the production of polysilicon in a CVD reactor Yuepeng Wan, Santhana Raghavan Parthasarathy, Carl Chartier, Adrian Servini 2014-02-11
8177910 System and method for crystal growing Frederick Schmid, David B. Joyce 2012-05-15
7927385 Processing of fine silicon powder to produce bulk silicon Dean Skelton, Bernard Jones, Santhana Raghavan Parthasarathy 2011-04-19
7918936 System and method for crystal growing Frederick Schmid, David B. Joyce 2011-04-05
7344596 System and method for crystal growing Frederick Schmid, David B. Joyce 2008-03-18
6418921 Method and apparatus for cutting workpieces Frederick Schmid, Maynard B. Smith 2002-07-16
6368403 Method and apparatus for purifying silicon Frederick Schmid, David B. Joyce 2002-04-09
5972107 Method for purifying silicon Frederick Schmid 1999-10-26
5438973 Shaped blades Frederick Schmid, Maynard B. Smith 1995-08-08
5394825 Method and apparatus for growing shaped crystals Frederick Schmid, Vladimir Gorbulev 1995-03-07
4840699 Gallium arsenide crystal growth Vernon White, Frederick Schmid, John H. Wohlgemuth 1989-06-20
4727852 Multi-wafer slicing with a fixed abrasive Frederick Schmid, Maynard B. Smith 1988-03-01
4646710 Multi-wafer slicing with a fixed abrasive Frederick Schmid, Maynard B. Smith 1987-03-03
4384564 Process of forming a plated wirepack with abrasive particles only in the cutting surface with a controlled kerf Maynard B. Smith, Frederick Schmid 1983-05-24
4256530 Crystal growing Frederick Schmid 1981-03-17
4218418 Processes of casting an ingot and making a silica container Frederick Schmid 1980-08-19