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:
Aug. 05, 2008
Filed:
Aug. 30, 2005
Applicants:
Benny Hedlund, Hono, SE;
Kare Jonsson, Trollhattan, SE;
Inventors:
Benny Hedlund, Hono, SE;
Kare Jonsson, Trollhattan, SE;
Assignee:
AB Volvo Penta, Gothenburg, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Propeller combination for an aft-mounted boat propeller drive unit with counter-rotating pushing propellers (). The forward propeller () is made with blades () which have blade tips with an outer edge (b) which approaches a straight line. The width of the blade tip is between 40% and 45% of the maximum width of the blade.