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:
Jul. 07, 2026
Filed:
Nov. 25, 2024
Compressor Products International Llc (Cpi), Stafford, TX (US);
Pascal Mahieux, Colleret, FR;
COMPRESSOR PRODUCTS INTERNATIONAL LLC (CPI), Stafford, TX (US);
Abstract
A rod packing assembly that includes a wiper ring is disclosed. In one embodiment, a rod packing assembly comprises a first ring, a second ring, a third ring, a first biasing member, a second biasing member, and a third biasing member. The third ring has at least one port, and is positioned between the first ring and the second ring. The first ring, the second ring, and the third ring surround a rod and to scrape a surface of the rod. The first biasing member applies a first force to urge the first ring against the rod, and the second biasing member applies a second force to urge the second ring against the rod. The third biasing member applies at least a third force to urge the third ring against the rod. The first and second rings are arranged to apply forces to urge the third ring against the rod.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile