I don't think so. Every patented invention is also an instance of a broader, unpatentable class. Patent a novel electric motor that gets better efficiency than

I don't think so. Every patented invention is also an instance of a broader, unpatentable class. Patent a novel electric motor that gets better efficiency than anything ever made before? Well, obviously the examiners don't know what they're doing, because you just patented an electric motor. See what I mean?