ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,884, issued on Nov. 18, was assigned to THE GRAVITY POWER LLC (Santa Barbara, Calif.).

"GPP seal system maintenance, replacement and seismic isolation" was invented by Orlo James Fiske (Santa Barbara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sealing system for a Gravity Power Plant having a shaft (104) with a shaft wall (105) and a piston (102) incorporates a seal assembly support base (202) anchored into the shaft wall and surrounding the piston. A seal mount has a radial flange (210) to anchor the seal mount to the support base (202) and a vertical flange (212) extending from an inner circumference of the radial flange. A seal assem...