3 ms·Do they patent the important parts from their search engine? I thought they just kept it secret.by farresito 12y agoDo they patent the important parts from their search engine? I thought they just kept it secret.SolarNet 12y agoFor example PageRank - the core algorithm - is patented [0]. [0] http://www.google.com/patents/US6285999 http://www.google.com/patents/US6285999schoen 12y agoIs that still an ongoing trend?