Future iPhones could be better than ever at connecting to cellular networks while on bullet trains thanks to a patent application made by Apple. The patent, made public by the US Patent & Trademark Office, is titled "Technologies in Wireless Communications in Consideration of High-Speed Vehicle." And it could make all the difference in parts of the world where high-speed rail (HSR) is available. Right now that means places like China, parts of Europe, and Japan generally, but more countries are starting to jump on board with some trains capable of speeds of around 220mph. But iPhones traveling at that…