John C. Schumacher

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Oceanside, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for preventing reactive vapor backstreaming an...
- Patent number 6,432,372
- Issue date Aug 13, 2002
- John C. Schumacher
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Energy efficient process for continuous production of thin semicond...
- Patent number 4,341,610
- Issue date Jul 27, 1982
- John C. Schumacher
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR COMBINING REACTIVE GASES WHILE DELAYING RE...
- Publication number 20010026784
- Publication date Oct 4, 2001
- JOHN C. SCHUMACHER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method and apparatus for combining reactive gases while delaying re...
- Publication number 20010007648
- Publication date Jul 12, 2001
- John C. Schumacher
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL