US Patent Issued to Libert Lift Solutions on Sept. 9 for "Gas injection valve with pressure-isolated bellows" (Texas Inventor)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,692, issued on Sept. 9, was assigned to Libert Lift Solutions LLC (Houston).

"Gas injection valve with pressure-isolated bellows" was invented by Michael S. Juenke (Spring, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas control valve has a bellows, a sealed upper chamber, a lower chamber open to ambient pressure, and upper and lower seals. The valve is placed in its open and closed states as the bellows expands and collapses in response to the difference in effective fluid pressure in the sealed and open chambers. The sealed chamber is filled with liquid and compressed gas. The liquid fills a lower portion of the sealed chamber that ext...