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SILTEC CORPORATION
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MENLO PARK, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Floating subcarriers for wafer polishing apparatus
Patent number
4,918,870
Issue date
Apr 24, 1990
Siltec Corporation
Walter Torbert
B24 - GRINDING POLISHING
Information
Patent Grant
Precision specular proximity detector and article handing apparatus...
Patent number
4,458,152
Issue date
Jul 3, 1984
Siltec Corporation
Anthony C. Bonora
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Crystal growth furnace recharge
Patent number
4,454,096
Issue date
Jun 12, 1984
Siltec Corporation
Robert E. Lorenzini
C30 - CRYSTAL GROWTH
Information
Patent Grant
Apparatus for controlling flow of molten material between crystal g...
Patent number
4,410,494
Issue date
Oct 18, 1983
Siltec Corporation
George Fiegl
C30 - CRYSTAL GROWTH
Information
Patent Grant
Conduit for high temperature transfer of molten semiconductor cryst...
Patent number
4,396,824
Issue date
Aug 2, 1983
Siltec Corporation
George Fiegl
C30 - CRYSTAL GROWTH
Information
Patent Grant
Continuous replenishment of molten semiconductor in a Czochralski-p...
Patent number
4,282,184
Issue date
Aug 4, 1981
Siltec Corporation
George Fiegl
C30 - CRYSTAL GROWTH
Information
Patent Grant
Semiconductor wafer polishing machine and wafer carrier therefor
Patent number
4,194,324
Issue date
Mar 25, 1980
Siltec Corporation
Anthony C. Bonora
B24 - GRINDING POLISHING
Information
Patent Grant
Apparatus for polishing semiconductor wafers
Patent number
4,132,037
Issue date
Jan 2, 1979
Siltec Corporation
Anthony C. Bonora
B24 - GRINDING POLISHING
Information
Patent Grant
Continuous crystal growing furnace
Patent number
4,036,595
Issue date
Jul 19, 1977
Siltec Corporation
Robert E. Lorenzini
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74175434 - SILTEC SILICON
Serial number
74175434
Registration number
1701520
Filing date
Jun 11, 1991
Siltec Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74103925 - ASKING, LISTENING, PERFORMING
Serial number
74103925
Registration number
1664810
Filing date
Oct 9, 1990
Siltec Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74090445
Serial number
74090445
Registration number
1655394
Filing date
Aug 23, 1990
Siltec Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73536102 - CYBEQ
Serial number
73536102
Registration number
1383045
Filing date
May 6, 1985
Siltec Corporation
7 - Machines and machine tools
Information
Trademark
73178295
Serial number
73178295
Registration number
1164344
Filing date
Jul 10, 1978
Siltec Corporation
7 - Machines and machine tools
Information
Trademark
73118202 - SILTEC
Serial number
73118202
Registration number
1123923
Filing date
Mar 7, 1977
SILTEC CORPORATION
7 - Machines and machine tools