US Patent Issued to TT Technologies on March 11 for "Lubrication system for pipe bursting" (Wisconsin Inventor)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,688, issued on March 11, was assigned to TT Technologies Inc. (Aurora, Ill.).

"Lubrication system for pipe bursting" was invented by Michael Tjader (New Richmond, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pipe pulling lubrication apparatus includes a pipe anchor having an anchor body. The anchor body includes a first coupling feature near an anchor body proximal portion and a distal pipe coupling feature near an anchor body distal portion. The distal pipe coupling feature is configured to couple and position a replacement pipe exterior surface near an anchor body exterior surface. The lubrication apparatus further includes a lubrication...