Here are some of the Google Patents discussed in Seosandwitch:–
Location Relevance System and Relevancy Score to Power Local Search Results
Google Patent to Identify Erroneous Business Listings
Google to Use Accent Information While Processing Voice Queries
Google Granted Patent for Detecting Hidden Texts and Hidden Links
New Google Patent to Identify Spam in Information Collected From a Source
Google Patent Named Ranking Documents to Penalize Spammers
Also See:-
Domain Authority and Google Results
How Does Google Applies Semantic Search
Emanuel Update
Google Sandbox effect
Google Penguin update
Knowledge Graph
When Does Google Displays Alternative Titles and Descriptions?
List of Google Search Operators
New Google Search Quality Updates
Google Search Tips and Tricks