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. 24, 1979
Filed:
Feb. 18, 1977
Applicant:
Inventor:
David Z Bailey, Providence, RI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03B / ;
U.S. Cl.
CPC ...
290 54 ; 416111 ; 416 86 ; 290 43 ;
Abstract
Improved apparatus for withdrawing useful energy from a fluent medium, the apparatus comprising supports with tension members spanning the distance between them, foils distributed along the tension member spans, and circular members capable of rotating freely with the tension members, power being taken off the apparatus through fewer than all of the circular members.