7. Research Robots
Research robots can be categorized as robots using for doing research and robot built as a part of the research. The purpose of building this robot is to apply and verify the research concept. Most of the research robot may end in the lab itself, some promising robots may convert to robot products. Mainly research robots are born in universities and corporate labs.
Here are a few research robot videos.
Here is one robot from Agility Robotics, called Cassie. It is a spin-off product from Oregon State University