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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.:

US 12576680 B1

PDFFull Text
Date of Patent:
Mar. 17, 2026

Filed:

Aug. 17, 2022

Synthetic elastomeric air spring without reinforcing fibers

Applicant:

Iljin Usa Corporation, Novi, MI (US);

Inventors:

Alan Coulthard, Flat Rock, MI (US);

Jeremy Mercer, Farmington Hills, MI (US);

Michael L. Crabtree, Arvada, CO (US);

Ken Casagrande, Commerce Township, MI (US);

Alan Wall, Novi, MI (US);

Adrian Thompson, Beverly Hills, MI (US);

Ruben Jasso, Woodhaven, MI (US);

Assignee:

ILJIN USA Corporation, Novi, MI (US);

Attorneys:

Dinsmore & Shohl LLP

Yongsok Choi, Esq.

Primary Examiner:

Robert A Siconolfi

Assistant Examiner:

James K Hsiao

Int. Cl.
CPC ...
B60G 11/27 (2006.01); B60G 15/12 (2006.01); F16F 9/04 (2006.01); F16F 9/08 (2006.01);
U.S. Cl.
CPC ...
B60G 11/27 (2013.01); B60G 2202/152 (2013.01); B60G 2206/424 (2013.01); B60G 2206/73 (2013.01); B60G 2206/8201 (2013.01);
Abstract

A spring assembly for a vehicle is provided. The spring assembly may include a piston, and a sleeve with a noncircular cross section, the sleeve made from an unreinforced synthetic elastomeric material and being free of reinforcing fibers. The sleeve is coupled with a plurality of end components and defines a deformable pressure vessel, the deformable pressure vessel supplies a support force, and at least one of the end components is the piston.

Find Patent Forward Citations

Coulthard, Alan. (2026). Synthetic elastomeric air spring without reinforcing fibers (U.S. Patent No. 12576680). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12576680

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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