ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,936, issued on June 24, was assigned to Trelleborg Sealing Profiles Germany GmbH (GroBheubach, Germany).
"LED UV system for pipe rehabilitation" was invented by Jorg Vogt (Bochum, Germany) and Thomas Reutemann (Sonthofen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Device (1) for curing a plastics tube (100), which is impregnated with UV-curing synthetic resin, in a sewage pipe (101), said device comprising an elongate housing (2), the longitudinal axis of which extends in the processing direction (102) along the sewage pipe (100), and at least one light source (3) which emits UV radiation, the light source (3) being formed by at least on...