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Inventor

Yuri Gelfgat

Inventor
Jurmala, LV

Overview

4→
Patents
1994–2010
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C30Bprimary
C30BSingle-crystal growth33%
Y10TTechnical subjects covered by former us classification22%
B22DCasting of metals11%
C22CAlloys11%
H05BElectric heating11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
7,771,530'Process and apparatus for producing a silicon single crystal'20107,335,256'Silicon single crystal, and process for producing it'20086,117,230'Process for producing a silicon single crystal, and heater for carrying out the process'20005,333,672'Method and device for producing homogeneous alloys'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to ONTEC LTD (1)· patent assignee history
1994Based in Beer Sheva, IL· patent location history
2000Patents assigned to WACKER SILTRONIC HALBLEITERMAT (1)· patent assignee history
2000Based in Riga, LV· patent location history
2008–2010Patents assigned to SILTRONIC AG (2)· patent assignee history
2008–2010Based in Jurmala, LV· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SILTRONIC AG22008–2010
ONTEC LTD11994
WACKER SILTRONIC HALBLEITERMAT12000
Locations
LocationPatentsSpan
Jurmala, LV22008–2010
Riga, LV12000
Beer Sheva, IL11994