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:
Aug. 04, 2026
Filed:
Nov. 26, 2024
Spm Oil & Gas Inc., Forth Worth, TX (US);
Daryl James Belshan, Weatherford, TX (US);
David T. Figgs, Fort Worth, TX (US);
Justin Poehls, Glen Rose, TX (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A valve assembly may include a first valve having a central opening and a guide element connected within the central opening. The valve assembly may include a second valve having a valve stem extending through the guide element to define a protruding portion of the valve stem, and a spring retainer on the protruding portion of the valve stem. The valve assembly may include a spring disposed between the spring retainer and the guide element. The spring may be configured to bias both the first valve and the second valve.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile