541 patent families in Uber’s patent portfolio falls under the Vehicle Drive Control Systems. Patents in this category disclose a way to control two or more than two sub-unit of a vehicle – propulsion system, brake system, steering system, for example– at once in response to a particular drive condition.
Essentially, these patents are focused on condition-responsive main automatic controllers which houses control logics for each sub-unit. Also, none of the patents in this category is focused on controlling a particular sub-unit.
The numbers in the exhibit are calculated based on CPC analysis. It represents the number of patent families classified in a CPC. A patent family is a group of patent documents – globally or in a jurisdiction – that covers the same (or similar) information.
In patent portfolio of Uber, there were 2496 patent documents which belong to 884 patent families. The 884 patent families were categorized into 1351 CPCs. More often, a single patent gets categorized into more than 10 CPCs.