| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| complete patents of edison pdf | 0.39 | 0.8 | 1288 | 39 |
| patents of thomas edison | 0.97 | 0.7 | 3583 | 17 |
| list of thomas edison patents | 0.47 | 0.1 | 6065 | 27 |
| how many patents did edison have | 0.55 | 1 | 2764 | 21 |
| thomas edison number of patents | 1.61 | 0.7 | 6054 | 56 |
| thomas edison first patent | 0.33 | 0.1 | 3417 | 44 |
| thomas edison date of patent | 0.68 | 0.9 | 6187 | 33 |
| how many patents did edison hold | 1.21 | 0.5 | 633 | 4 |
| how many patents did edison share | 0.3 | 0.4 | 9001 | 99 |
| how many u.s. patents did edison obtain | 0.75 | 0.6 | 6070 | 88 |
| how many patents did thomas edison hold | 1.26 | 0.4 | 6388 | 93 |
| patent edison automatic telegraph | 0.81 | 0.4 | 4000 | 6 |
| thomas edison patented inventions | 0.37 | 0.8 | 5377 | 7 |
| who received thomas edison's patent | 0.42 | 0.5 | 2233 | 36 |
| how many inventions did thomas edison patent | 0.61 | 1 | 6029 | 69 |
