US Patent Issued to Valvetight Holding on Sept. 16 for "Method of preparing a system for a maintenance operation" (German Inventor)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,385, issued on Sept. 16, was assigned to Valvetight Holding BV (Weerselo, Netherlands).

"Method of preparing a system for a maintenance operation" was invented by Jeroen Martijn Pronk (Gildehaus, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of preparing a system for a maintenance operation having first subsystem, a second subsystem, and a third subsystem separated by sealing blocks. To reduce the hazard risk, the step of removing gas from the second subsystem via a bleed conduit includes applying the sub-atmospheric pressure using a venturi-pump into which an anoxic gas to drive said venturi-pump is introduced to mix with and rem...