Patent Vault users can further filter the search results by using the advanced filters on the left-side of the page. You can filter your results by PTO, patent type, assignee/applicant, assignee (Std), current assignee, inventor, legal status, abandon type (for abandoned legal status), quality, value, IPC, CPC, Locarno, USPC, FI, agency, primary examiner, and kind code. Each filter shows the first 10 items - click on More+ to show the next 10.
Note: Make sure to switch from the Folder icon 
to the filter icon 
to show Advanced Filter panel.
