Complex sentence: A similar style of bed (patented more than thirty years later, in 1916) is the Murphy bed, which is concealed behind a closet door or wall rather than inside a piece of furniture such as a cabinet bed.
Split into simpler sentences: A similar style of bed was patented more than thirty years later, in 1916, as the Murphy bed. It was concealed behind a closet door or wall, rather than inside a piece of furniture, such as a cabinet bed.