ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,864, issued on Feb. 10, was assigned to Georg Fischer Rohrleitungssysteme AG (Schaffhausen, Switzerland).

"Fitting holder" was invented by Juergen Roesch (Lenzkirch, Germany) and Marcel Graf (Neuhausen, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fitting holder designed for receiving a branch pipe during a welding operation in order to attach the branch pipe to a pipeline or a pipe, wherein differently dimensioned branch pipes can be received by the fitting holder, comprising a hollow-cylindrical housing with an upper region which, during the welding, faces away from the pipeline to be welded thereto, and a lower region which, durin...