ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,203, issued on March 18, was assigned to LMK Technologies LLC (Ottawa, Ill.).

"Device and method for repairing pipe" was invented by Larry W. Kiest Jr. (Ottawa, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liner tube is provided for repairing either a single pipe line or a main pipe line having a lateral pipe line connected thereto. The liner tube assembly includes a liner tube impregnated with a liquid material capable of curing and hardening. The liner tube includes a gasket or band of hydrophilic paste positioned about the juncture of the pipe lines. The gasket or bands form a tight seal between the liner tube and the pipe line."

The p...