| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free online patents search service | 1.23 | 0.2 | 9645 | 16 |
| free online patents search tool | 0.24 | 0.5 | 5836 | 98 |
| us patents free online search | 0.81 | 0.8 | 3106 | 54 |
| us free patent search online | 1.93 | 0.7 | 5494 | 23 |
| free patent search websites | 1.01 | 0.3 | 4955 | 98 |
| free patent search sites | 0.9 | 0.6 | 6451 | 26 |
| patent searching free website | 1.21 | 1 | 346 | 25 |
| free online patents search database | 1.94 | 0.1 | 8382 | 76 |
| free online patents search engine | 1.91 | 0.1 | 2326 | 39 |
