Wiecher D. E. Steenge

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Amsterdam, NL

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for controlling a flow of granular material
- Patent number 4,809,886
- Issue date Mar 7, 1989
- Shell Oil Company
- Hendrik A. Dirkse
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus for separating hydrocarbon products from catalyst particles
- Patent number 4,664,889
- Issue date May 12, 1987
- Shell Oil Company
- Wiecher D. E. Steenge
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Process to Prepare a Lubricating Base Oil
- Publication number 20070272592
- Publication date Nov 29, 2007
- Gilbert Robert Bernard Germaine
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Process to continuously prepare two or more base oil grades and mid...
- Publication number 20070181461
- Publication date Aug 9, 2007
- Nicholas James Adams
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...