In this task, you are given a list. This list contains many lists of integers. The list is several items written within a []. Your task is to find the maximum number among the members of each inner list. The output should be a list comprised of the maximums with the same order as the internal lists.
[[99, -105, 31, -88, -64, -29, -136], [-50, -113, -102, 25, -16], [-122, -60, 93]]