Frederick Schmid — 24 Patents at Crystal Systems

Frederick Schmid has been granted 24 US patents while listed as an inventor at Crystal Systems. The first was granted in 1980 and the most recent in May 2023. Frederick Schmid ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Frederick Schmid in Marblehead, MA, US.

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #	Title	Co-Inventors	Date
11661671	Technique for controlling temperature uniformity in crystal growth apparatus	Cody Riopel, Hui Zhang	2023-05-30
10633759	Technique for controlling temperature uniformity in crystal growth apparatus	Cody Riopel, Hui Zhang	2020-04-28
9546434	High-temperature process improvements using helium under regulated pressure	David B. Joyce, John Brouillette, Daniel P. Betty, Ryan Philpott	2017-01-17
8329133	Method and apparatus for refining metallurgical grade silicon to produce solar grade silicon	David B. Joyce	2012-12-11
8177910	System and method for crystal growing	Chandra P. Khattak, David B. Joyce	2012-05-15
7918936	System and method for crystal growing	Chandra P. Khattak, David B. Joyce	2011-04-05
7344596	System and method for crystal growing	Chandra P. Khattak, David B. Joyce	2008-03-18
6418921	Method and apparatus for cutting workpieces	Maynard B. Smith, Chandra P. Khattak	2002-07-16
6368403	Method and apparatus for purifying silicon	Chandra P. Khattak, David B. Joyce	2002-04-09
5972107	Method for purifying silicon	Chandra P. Khattak	1999-10-26
5842462	Method and apparatus to produce a radial cut profile	Maynard B. Smith	1998-12-01
5438973	Shaped blades	Maynard B. Smith, Chandra P. Khattak	1995-08-08
5394825	Method and apparatus for growing shaped crystals	Chandra P. Khattak, Vladimir Gorbulev	1995-03-07
4840699	Gallium arsenide crystal growth	Chandra P. Khattak, Vernon White, John H. Wohlgemuth	1989-06-20
4727852	Multi-wafer slicing with a fixed abrasive	Chandra P. Khattak, Maynard B. Smith	1988-03-01
4646710	Multi-wafer slicing with a fixed abrasive	Chandra P. Khattak, Maynard B. Smith	1987-03-03
4447085	Grapple assembly	—	1984-05-08
4384564	Process of forming a plated wirepack with abrasive particles only in the cutting surface with a controlled kerf	Maynard B. Smith, Chandra P. Khattak	1983-05-24
4349178	Wire blades	—	1982-09-14
4287869	Charging system for cutting blade	—	1981-09-08
4256079	Wire blades	—	1981-03-17
4256530	Crystal growing	Chandra P. Khattak	1981-03-17
4218418	Processes of casting an ingot and making a silica container	Chandra P. Khattak	1980-08-19
4187828	Cutting	—	1980-02-12

Frederick Schmid — 24 Patents

Issued Patents All Time

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