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.
Whether you're developing a new invention or would like to learn more about a currently existing one, patents serve as a useful source of information regarding existing intellectual properties, their inventors, blueprints/schematics, when they were filed, etc.
Find patents & designs
If you're looking for: Designs, schematics, models
United States Patents. The full-text of patents are available free of charge. The database can be searched using any number of fields, including keyword, title, patent number, applicant name, and assignee name.
Google Patents provides access to United States patents from the 1790s to the present. It also includes patents from around the world that have been translated. Searchers can easily download the pdf of a patent found in the database.