In the following video, Motley Fool consumer-goods analyst Blake Bos tells investors about a new patent from Green Mountain Coffee Roasters (GMCR.DL), that may mean it's getting into the game of home soda machines, a space currently dominated by SodaStream (SODA). Blake gives us a picture of the key things that will need to happen for Green Mountain to be successful in this endeavor, and tells us why he isn't necessarily worried about SodaStream just yet. In fact, for SodaStream, this could even have a positive effect.