1. Seedpod Autorotates https://asknature.org/strategy/seedpod-autorotates/ (2002).
2. https://asknature.org/innovation/aerodynamic-ceiling-fan-inspired-by-sycamore-seedpods/ The Sycamore Ceiling Fan from Sycamore Technologies has a single blade that provides high air flow and creates minimal noise (2002).
3. Simulation of Air Flow Around Ceiling Fan in An Enclosed Space by Using Cfd. J. Bala Bhaskara Raoa, D. Bhanuchandra Raob, J. Siddhartha Yadavc, M. Sreeramad (June 2020).
4. Design and CFD Analysis of Ceiling Fan for Regular Room Size, Pushpesh Singha, Dr. Gajendra Vasantrao Patilb (April 2020).
5. Michael J. Hort, Daniel Gasser (2008), Fan Blade (Patent No.: US D571.455S)