ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,338, issued on April 14, was assigned to BRACKINS MACHINE SHOP LLC (Erwin, Tenn.).
"Reciprocating pump with reservoir for collecting and controlling working fluid level without the use of piston seals" was invented by William Sames (Johnson City, Tenn.) and Amos Manneschmidt (Knoxville, Tenn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reciprocating pump with a reservoir for collecting and controlling a working fluid level without the use of piston seals. A method of collecting and controlling a working fluid level in a reciprocating pump which has no piston seals."
The patent was filed on May 24, 2023, under Application No. 18/322,791.
*For...