| Keyword | CPC | PCC | Volume | Length string | Score |
|---|---|---|---|---|---|
| free patents online patent number search | 1.75 | 0.3 | 2689 | 40 | 65 |
| free patents online search | 0.82 | 0.7 | 1870 | 26 | 66 |
| online free patent search | 1 | 0.5 | 9637 | 25 | 22 |
| search for patent number | 0.82 | 0.3 | 4898 | 24 | 69 |
| free online patents search engine | 1.09 | 0.4 | 7183 | 33 | 48 |
| patent searches free online | 0.96 | 0.6 | 967 | 27 | 81 |
| us patents free online search | 1.84 | 0.1 | 3328 | 29 | 71 |
| us free patent search online | 0.36 | 0.3 | 4995 | 28 | 85 |
| free online patents search tool | 0.5 | 1 | 3328 | 31 | 6 |
| free online patents search website | 1.24 | 0.3 | 9211 | 34 | 43 |
| free online patents search by date | 1.24 | 0.1 | 7825 | 34 | 62 |
