Google patents granted on 27 October 2009

5 US patents granted on 27 October 2009 and assigned to Google

1 7,610,491 Account recovery key
2 7,610,289 System and method for monitoring and analyzing internet traffic
3 7,610,287 System and method for impromptu shared communication spaces
4 7,610,282 Rank-adjusted content items
5 7,609,000 Variable-length compression technique for encoding or decoding a sequence of integers