Patents

This page is provided to comply with the virtual patent marking provisions of 35 U.S.C. § 287(a) and serves as notice to the public that the Gravirax products listed below are protected by the patents identified here. Gravirax is a brand of Drop IN Racks LLC, Aspen, Colorado. Additional patents may be pending in the United States and other countries.

Product	Patent
GR-4 Adjustable Ski Rack (Standard and Extended Length)	U.S. Patent No. 12,709,234 B2
GR-6 Adjustable Ski Rack	U.S. Patent No. 12,709,234 B2

U.S. Patent No. 12,709,234 B2

Title: Vehicle Rack
Issued: August 18, 2026
Application No.: 18/347,020, filed July 5, 2023 (claims priority to U.S. Provisional Application No. 63/374,146, filed August 31, 2022)
Inventors: Daniel Goldman, Carl Walker
Assignee: Drop IN Racks LLC, Aspen, Colorado

Patents pending

Corresponding patent applications are pending in Canada and in Europe. The GR-4 and GR-6 are marked Patent Pending in those jurisdictions.

Europe: European Patent Application No. 23189300.9, published as EP 4331916 — Vehicle Rack (pending)
Canada: Canadian patent application pending

Trademarks

GRAVIRAX is a trademark of Drop IN Racks LLC. Registered in Canada: Trademark Registration No. TMA1,315,821 (Application No. 2148357), registered May 23, 2025.

The products listed above may be covered by one or more of the patents listed, and the list may not be exhaustive. Products may also be covered by patents or pending applications that are not listed here, and some products may be covered by only some of the listed patents. This page is updated as patents issue and applications are filed; it was last updated October 23, 2026.

Questions about Gravirax intellectual property can be sent through our contact page.