Google patents granted on 06 October 2009

5 US patents granted on 06 October 2009 and assigned to Google

1 7,600,263 Access controlled search results
2 7,600,028 Methods and systems for opportunistic cookie caching
3 7,599,920 System and method for enabling website owners to manage crawl rate in a website indexing system
4 7,599,914 Phrase-based searching in an information retrieval system
5 7,599,790 Generating and serving tiles in a digital mapping system