ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,184, issued on Aug. 11.
"Gate valve with novel seal and sealing arrangement" was invented by Daine Strankman (Red Deer, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "In one aspect there is provided a gate valve having a first end and a second end, a gate having a gate opening. The gate is positionable within the valve between a closed configuration, a transition configuration and an open configuration. The gate valve further comprises a gate stem, at least one pair of seals, with one seal positioned on either side of the gate. Each of the seals comprises a first profile and a second profile. The first profile seals the gate valve and blocks ...