US Patent Issued to Caterpillar on Jan. 13 for "Filter system having key-fit attachment between holder and filter connector" (Illinois Inventor)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,662, issued on Jan. 13, was assigned to Caterpillar Inc. (Peoria, Ill.).

"Filter system having key-fit attachment between holder and filter connector" was invented by Timothy Sean Finn (Morton, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter system for a machine system includes a filter holder assembly having a filter holder, an inner filter connector, and an outer filter connector. The filter holder includes peripheral surfaces each configured with at least one thread section and at least one slot section. The filter system also includes an inner filter attached to the inner filter connector and an outer filter attached to the outer fi...