PatSeer makes it easy to find answers to questions like which records are common across a set of projects or what extra records are present in a particular project, etc.
This option is present within Projects tab on the Home page. You can chose to select Records Common to these Projects/ Any records in these projects option to find relevant results. The results are displayed on right side of the page. The page is similar to that of Results View.
Note: You can enter multiple project names in the text box provided.