There is only evidence for feathers on dinosaurs, whether these are impressions, quill knobs, or amber or so on, for about 50 different species of dinosaur. All except one of these (Yutyrannus) are for animals smaller than a man.
That's all the pure empirical scientific data. However, one can logically extrapolate that very similar animals to those discovered had feathers. Velociraptor has quill knobs. Velociraptor is a maniraptoran dinosaur. Ergo one can deduce that other maniraptoran dinosaurs, such as Deinonychus, which has no skin or integument fossils, could have had feathers.
However you have to be careful when you do this. Yutyrannus is a distant relative of Tyrannosaurus. It is large, and has feathers, however Tyrannosaurus and its closer relatives actually have significant evidence of scales with no evidence of feathers. This does not totally disprove the existence of feathers for it, but we can only really judge based on the evidence we have.
Generally though, a useful tool for determining if an animal probably had feathers, is looking at its general shape; the more it looks shaped like a bird, the greater the chance of it having feathers, and the less it looks like a bird, the lower the chance. So a Struthiomimus, which looks almost exactly like an ostrich, very likely had feathers. An animal like Triceratops or Parasaurolophus which have a loose or partial similarity to bird anatomy might have had feather like bits on it. A gigantic Diplodocus on the other hand which looks nothing so much like an iguana lizard stretched out to the size of several elephants, can reasonably be assumed not to have any feathers.