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. 27, 2025
Filed:
Apr. 12, 2023
Citadel Casing Solutions, Llc, Houston, TX (US);
Daniel L Schmidt, Magnolia, TX (US);
Citadel Casing Solutions LLC, Houston, TX (US);
Abstract
A valve includes a valve housing defining a fluid flow passage, a valve seat extending into the fluid flow passage, a valve poppet mechanically coupled to a valve stem, the poppet engages and disengages with the valve seat, a spring extending around a portion of a periphery of the valve stem, the spring extends and contracts to close and open the fluid flow passage, the valve stem having a spring abutting surface, a pocket positioned within the fluid flow passage and having a body extending from a closed end to an open end; the spring extends through the open end when in an extended state, and when the spring is in a contracted position, the open end of the pocket abuts with the spring abutting surface of the valve stem to seal the spring within the pocket.