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.:
Date of Patent:
May. 12, 2026
Filed:
May. 15, 2024
Caterpillar Inc., Peoria, IL (US);
Rachel M. Goldman Taylor, Peoria, IL (US);
Adam D. Patrick, Cary, NC (US);
James D. Peltier, West Lafayette, IN (US);
Abram M. Ingold, Metamora, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
An exhaust valve for an internal combustion engine may comprise a body, including an upper portion, a lower portion, and a tapered portion between an upper end and a lower end of the body, wherein a ratio of (a) a length between an upper end of the upper portion and an upper end of the tapered portion to (b) a length between the upper end of the upper portion and a lower end of the tapered portion is in a range of 0.73 to 0.76, and a taper of the tapered portion is in a range of 0.0012/mm to 0.0030/mm. The exhaust valve may also comprise a head portion extending from a bottom of the lower portion of the body.