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:
Mar. 28, 1978
Filed:
Dec. 17, 1976
Applicant:
Inventor:
Merritt B Andrews, Westfield, MA (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03D / ;
U.S. Cl.
CPC ...
416226 ; 416230 ; 4162 / ;
Abstract
A wind turbine blade in the form of a semi-spar in which the outer portion of the finished blade shape is the filament wound spar itself and the remainder of the blade incorporates a trailing edge portion, increasing in dimension toward the blade base, this part of the blade being filament wound around the spar.