Jan 20, 2026

US12529548 - Stabilizers for aerial projectiles

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A stabilizer for an aerial projectile comprises a conical portion with a first longitudinal axis, a first end of a lesser diameter, and a second end of a greater diameter. A tubular portion having a second longitudinal axis is coaxially conjoined at the first end of the conical portion. An external surface of the conical portion is engrailed or invected by a radial succession of flutes alternating with a radial succession of splines. For invected surfaces, at least a portion of any one flute from among the radial succession of flutes may comprise a planar surface. The surfaces of the flutes and splines may be longitudinally straight or may be helical surfaces. The stabilizer may be made of plastic and a portion of the plastic may be a recycled plastic material.

Inventors: Tim Wells

The patent describes a stabilizer for aerial projectiles featuring a conical portion with varying diameters and a tubular portion, designed to enhance stability during flight. The external surface of the conical portion incorporates a unique pattern of flutes and splines, and the stabilizer may be constructed from recycled plastic materials.

Claim 1

1 . A stabilizer for an aerial projectile comprising a conical portion having a first longitudinal axis, a first end of a lesser diameter and a second end of a greater diameter, and a tubular portion having a second longitudinal axis and coaxially conjoined to said first longitudinal axis at said first end of said conical portion, with an external surface of said conical portion engrailed by a radial succession of flutes alternating with a radial succession of splines. a conical portion having a first longitudinal axis, a first end of a lesser diameter and a second end of a greater diameter, and a first longitudinal axis, a first end of a lesser diameter and a second end of a greater diameter, and a tubular portion having a second longitudinal axis and coaxially conjoined to said first longitudinal axis at said first end of said conical portion, with an external surface of said conical portion engrailed by a radial succession of flutes alternating with a radial succession of splines.

Google Patents

https://patents.google.com/patent/US12529548

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12529548