US Patent 12006781 Blowout preventer with multiple application ram blades

A blowout preventer for shearing structures positioned in a bore extending through the blowout preventer, the blowout preventer body having a bore and guideways, first and second rams movably positioned relative the guideways and movable toward the bore, a blade of the first ram having a flat side, a blunt leading contour, an upper inclined surface above the blunt leading contour, and a lower declined below the blunt leading contour, a blade of the second ram having a leading contour and at least one lower declined surface.