[Phil1111]

Originally Posted by Bigtime

So many winglets to keep track of now:

-Wing Fences (classic A320, A380, A310)
-Winglet (CRJ, 744, A330, A340)
-Blended Winglet (737 NG, 757, 767, A350, A320 NEO)
-Split Scimitar Winglet (737 NG)
-Advanced Technology Winglet (737 MAX)
-Raked wingtip (773, 77LR, 748, 787)

Active winglets! Which are interesting because they don't require spar or wing reinforcing to cope with increased wing loadings.
http://tamarackaero.com/