It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
From this page, click on the link for PatFT (Patents Full-Text and Image Database). All Patent Documents issued since 1790, which the USPTO has on record, are available in the PatFT. The USPTO Published Application Full-Text and Image Database (AppFT) allows you to search for recent Patent Applications, not yet granted but which have been in examination for at least 18 months.