Patent Co-Inventor Network Visualization Tool
Search by Inventor Names
Search by Patent Class (Sampled)
Search by Patent Sub-Class
Search for a sample of inventors in an entire patent class
See the user guide to understand this mode:
Patent Class Search (Sampled) Guide
This will find (up to) 10 patents/month granted in the closen patent class and year, then find their inventors
More information on USPTO classifications, and full documentation of them, can be found at
Number of generations to iterate.
Use the date the patent was applied for, or the date the USPTO granted it?