How does pubmed subscribe to patents?

Pubmed subscribes to patents like this:

1. Open pubmed and click "Create RSS" after normal search;

2. Set patents: one is to retrieve the number of displayed results and the other is the name of the patent, and then click "CreateRSS" to generate an XML link;

3. Click on the XML with white characters on the red background to open a new webpage and copy the webpage address;

4. Open the patent subscription platform, paste the address in the search box after logging in to iReader, select Add Feed in the drop-down menu, wait for a moment to complete the subscription, then you can receive the subscription patent update on iReader's website or mobile APP, and then complete the patent subscription.