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.
Patent No.:
Date of Patent:
Apr. 20, 1976
Filed:
Nov. 12, 1974
Applicant:
Inventors:
John E Gates, Worthington, OH (US);
Neil D Veigel, Novi, MI (US);
Melvin F Browning, Columbus, OH (US);
Assignee:
Aerospace Materials Inc., Columbus, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
29195 ;
Abstract
Composite coatings are formed of a ceramic-type material such as chromium carbide over an intermediate layer of a ductile metal such as nickel on stainless steel turbine compressor blades. Such coatings were found to reduce the erosion by entrained particles to less than 10 percent that experienced by uncoated blades.