| patents search | 0.51 | 0.7 | 9266 | 14 | 93 |
| patents search google | 0.7 | 1 | 1914 | 21 | 48 |
| patents search engine | 1.4 | 0.8 | 6683 | 21 | 6 |
| patents search india | 0.71 | 0.9 | 8389 | 20 | 55 |
| patents search by company | 0.19 | 1 | 8278 | 25 | 100 |
| patents search by inventor | 1.28 | 0.3 | 158 | 26 | 95 |
| patents search uk | 0.09 | 0.3 | 6228 | 17 | 59 |
| patents search uspto | 0.34 | 1 | 5852 | 20 | 72 |
| patents search canada | 0.37 | 0.2 | 9876 | 21 | 59 |
| patents search websites | 0.07 | 0.2 | 612 | 23 | 40 |
| google patents advanced search | 1.08 | 0.3 | 269 | 30 | 31 |
| free patents online search | 1.34 | 0.2 | 3397 | 26 | 65 |
| search us patents | 0.18 | 1 | 8540 | 17 | 92 |
| u s patents search by number | 0.3 | 0.8 | 9888 | 28 | 54 |
