| Keyword | CPC | PCC | Volume | Length string | Score |
|---|---|---|---|---|---|
| free patents online search | 0.61 | 0.4 | 9899 | 26 | 39 |
| free online patents search engine | 0.54 | 0.2 | 1801 | 33 | 56 |
| patent searches free online | 1.73 | 0.3 | 4861 | 27 | 94 |
| us patents free online search | 0.16 | 0.9 | 7052 | 29 | 52 |
| us free patent search online | 1.09 | 0.2 | 9443 | 28 | 17 |
| free online patents search tool | 1.99 | 0.1 | 6552 | 31 | 7 |
| free online patents search website | 0.36 | 0.5 | 6928 | 34 | 80 |
| free online patents search by date | 0.72 | 0.3 | 1138 | 34 | 79 |
| free online patents search software | 0.25 | 0.6 | 5105 | 35 | 9 |
| search engines to find patents | 1.52 | 0.5 | 6327 | 30 | 81 |
