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:
Oct. 06, 2026
Filed:
Sep. 17, 2024
Lockheed Martin Corporation, Bethesda, MD (US);
Joshua A. Breon, Lafayette, IN (US);
Eric S. Parsons, Middlebury, CT (US);
Christopher M. Sutton, Milford, CT (US);
William Paul Adams, Norwalk, CT (US);
Timothy James Conti, Shelton, CT (US);
Jared Anapolle, Stratford, CT (US);
Evan Medrano, Stratford, CT (US);
LOCKHEED MARTIN CORPORATION, Bethesda, MD (US);
Abstract
A rotor blade includes a spar with forward end, an aft end, and a substantially oval cross-section. The cross-section includes an upper portion tapering from a first thickness to a smaller, second thickness beginning between about 55% and about 65% of the distance to the aft end from the forward end and ending between about 65% and about 75% of the distance to the aft end measured from the forward end, and a lower portion tapering from a third thickness to a smaller, fourth thickness beginning between about 55% and about 65% of the distance to the aft end from the forward end and ending between about 65% and about 75% of the distance to the aft end measured from the forward end. The rotor blade further includes an upper blade skin, a lower blade skin, and a leading edge sheath.