US Patent Issued to The United States of America, as represented by the Secretary of the Navy on March 31 for "Submersible impact test hammer" (Virginia Inventor)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,875, issued on March 31, was assigned to The United States of America, as represented by the Secretary of the Navy (Washington).

"Submersible impact test hammer" was invented by John E. Miesner (Fairfax, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example embodiments disclose a submersible impact test hammer comprising a resilient tip, an output shaft, an end closure, a pressure housing, a sealing bearing that supports the output shaft to the end closure, a slug, solenoid coils, slug shaft bolts, linear bearings that slidably mount the slug to the slug shaft bolts, and a spring between the slug and the output shaft. The pressure housing may ...