Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Patent classifications along with entity.
| CPC Classification |
Entity | IPC Classification |
|---|---|---|
| Section | Section | |
| A | Human necessities | A |
| B | Performing operations transporting (notes & warnings) | B |
| C | Chemistry metallurgy (notes & warnings) | C |
| D | Textiles paper | D |
| E | Fixed constructions | E |
| F | Mechanical engineering lighting heating weapons blasting (notes & warnings) | F |
| G | Physics (notes & warnings) | G |
| H | Electricity (notes & warnings) | H |
| Y | Tagging of new technological developments | – |
