The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 14, 1989

Filed:

Jun. 03, 1988
Applicant:
Inventors:

Horst Buhl, Endersbach, DE;

Wolfgang Kleinekathofer, Waldstetten, DE;

Eggert Tank, Wernau, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
1231 / ; 4273765 ;
Abstract

A coated valve, in particular an inlet valve for internal combustion engines, is provided, which is provided with a deposit preventing layer containing cerium (IV) oxide. A process for coating a valve with the deposit preventing layer containing cerium (IV) oxide is also provided.


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