US Patent Issued to Brandenburger Liner on April 14 for "Lining tube for reconditioning of defective sewer pipes and method of producing and installing one" (German Inventor)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,166, issued on April 14, was assigned to Brandenburger Liner GmbH & Co. KG (Landau, Germany).

"Lining tube for reconditioning of defective sewer pipes and method of producing and installing one" was invented by Stefan Blenke (Landau, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lining tube for reconditioning a defective sewer pipe has an inner film tube, around which is disposed a radially expandable layer of fiber material that is impregnated with a curable reactive resin. The inner film tube has a connecting section that extends in longitudinal direction thereof and connects two circumferential portions of the inner film tube that run...