“Whether the district court erred in determining on summary judgment that the claims in U.S. Patent No. 7,774,911 are invalid under 35 U.S.C. § 101 for claiming patent ineligible subject matter, even though the claims are methods for manufacturing propshafts with specifically designed liners, unknown in the art, that reduce multiple types of vibration to create improved propshafts.”
“Because we conclude that the asserted claims of the ’911 patent are directed to ineligible subject matter under § 101, we affirm. “