ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,989, issued on Oct. 7.
"Septic sludge alarm assembly" was invented by Joshua Ritchie (Skiff Lake, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A septic sludge alarm assembly includes a vault buried beneath ground thereby facilitating the vault to be aligned with a septic tank. A sludge trap is positioned within the vault. The sludge trap has an inlet fluidly coupled to a septic tank and an outlet fluidly coupled to a leach field supply. The sludge trap has a lower section facilitating liquid flowing into the inlet to flow downwardly into the lower section. The sludge trap has an upper section inhibiting the liquid from flowing upwardly into ...