New filings in auto technology open a window into inventors' views of the future. Here's our favorites.

More than half a million new patents are filed each year.  Some of the most interesting, inventive and useful are in the field of self-driving vehicles.  Our team scours the filings and uncovers fascinating new inventions.  Not all, of course, will make it to market.  But, these give a good sense of the future of autonomous cars.