Interesting topic.
Considering how much time I spend in airplanes, I am not sure I would want to also design for them when I am not in one 
I have always wanted to develop a really close relationship with a top visionary chef and design all the hardware around their dishes and presentations. Maybe even interior design and get fully involved in the whole experience.
Ferran Adria of El Bulli fame had an ID on staff, I think.