The U-shaped water pipe chandelier is patented. According to the information on the official website of the State Intellectual Property Office, the U-shaped water pipe chandelier was applied for a patent on September 26, 2019, and was granted patent authorization on March 27, 2020. The patent protection period is one and a half years, and it has been approved in September 2021. The patent authorization period expires on the 3rd, and the U-shaped water pipe chandelier patent is now a free public patent. Patents refer to the legal protection for inventions, utility models or designs.