Author: Kushal Jain, Sr. PRA

List of patents:

1. US20120177496A1 – July 12, 2012 – Ceiling fan having a single fan blade
2. US8449252B2 – May 28, 2013 – Double-stacked blade ceiling fan and method of operation and method of circulating air
3. US8376702B2 – February 19, 2013 – Universal fan blade mount and ceiling fan employing same
4. US7396212B1 – July 8, 2008 – High efficiency twisted leaf blade ceiling fan
5. US6726451B2 – April 27, 2004 – Ceiling fan and fan blade mounting arrangement for generating center or rotational gravity outside vertical axis
6. US6146097A – November 14, 2000 – Fan blade assembly for use with a ceiling fan drive unit
7. US5462407A – October 31, 1995 – Ceiling fan blade and hub assembly
8. US4776761A – October 11, 1988 – Articulated blades ceiling fan-lamps combination
9. US4662823A – May 5, 1987 – Air turbulence blades for ceiling fans
10. US425995A – Apr 15, 1890 – Electric fan
11. US425449A – Apr 15, 1890 – George s
12. USD535388S1 – January 16, 2007 – Ceiling fan blade
13. USD523948S1 – June 27, 2006 – Ceiling fan blade iron
14. USD514694S1 – February 7, 2006 – Ceiling fan blade assembly
15. USD479597S1 – September 9, 2003 – Ceiling fan blade
16. USD340974S – November 2, 1993 – Set of blades for a ceiling fan