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J. C. SCHUMACHER COMPANY
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OCEANSIDE, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Vapor mass flow control system
Patent number
4,436,674
Issue date
Mar 13, 1984
J. C. Schumacher Co.
Joseph C. McMenamin
C30 - CRYSTAL GROWTH
Information
Patent Grant
Vapor mass flow control system
Patent number
4,393,013
Issue date
Jul 12, 1983
J. C. Schumacher Company
Joseph C. McMenamin
C30 - CRYSTAL GROWTH
Information
Patent Grant
Process for producing polycrystalline silicon
Patent number
4,318,942
Issue date
Mar 9, 1982
J. C. Schumacher Company
Lloyd M. Woerner
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of shipping and using semiconductor liquid source materials
Patent number
4,298,037
Issue date
Nov 3, 1981
J. C. Schumacher Co.
John C. Schumacher
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Energy efficient process for continuous production of thin semicond...
Patent number
4,227,291
Issue date
Oct 14, 1980
J. C. Schumacher Co.
John C. Schumacher
C30 - CRYSTAL GROWTH
Information
Patent Grant
Process and apparatus for bubbling gas through a high purity liquid
Patent number
4,140,735
Issue date
Feb 20, 1979
J. C. Schumacher Co.
John C. Schumacher
C30 - CRYSTAL GROWTH
Information
Patent Grant
Liquid source material container and method of use for semiconducto...
Patent number
4,134,514
Issue date
Jan 16, 1979
J C Schumacher Co.
John C. Schumacher
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of silicon of high purity
Patent number
4,084,024
Issue date
Apr 11, 1978
J. C. Schumacher Co.
Joseph C. Schumacher
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73596714 - CRS
Serial number
73596714
Registration number
1418826
Filing date
Apr 5, 1986
J. C. Schumacher Company
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73574212 - SAFEION
Serial number
73574212
Registration number
1425358
Filing date
Dec 19, 1985
J. C. Schumacher Company
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73419812 - EXTREMA
Serial number
73419812
Registration number
1304491
Filing date
Apr 1, 1983
J. C. Schumacher Company
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73308660 - M STC
Serial number
73308660
Registration number
1245073
Filing date
May 4, 1981
J. C. Schumacher Company
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73105937 - EXTREMA
Serial number
73105937
Registration number
1078178
Filing date
Nov 5, 1976
J. C. SCHUMACHER COMPANY
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73105936
Serial number
73105936
Registration number
1083741
Filing date
Nov 5, 1976
J. C. SCHUMACHER COMPANY
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry