Today in 1913, US Patent 1078253 A was issued, an invention of James D. Carey and Bernard Goldenthal, for their “Pipe Cleaner.” There’s no Abstract, although in the description it includes this summary:
This invention relates to an improvement in pipe cleaners, and while especially adapted for cleaning pipes leading from beer barrels to the faucets, it is equally applicable for cleaning pipes of soda water fountains, boilers or any other pipes which may be coupled in pairs.