I admit, I really like your sense for the filigree... took a quick look into your profile and I have to say, your high ranking is completely justified! I haven't seen a profile-page with so many designs that caught my eye. #49 and #50 I really find them appealing... I'm afraid I just can't "map" them to the intended application... to far from my range of technology, IT, piece of equipment, working smoothly,...
#52 Now THAT'S an abstract dinosaur! I actually like the idea of recognizing the thing as a dino... even if you don't already have one in your mind (like potential clients/customers would see it in a newspaper). If I wouldn't know the company and took a first glance on the logo, I might find myself thinking of asian food in the first moment... :->