| 100% | RUBIK | 5 | Inventor of a rotatable cube |
| 75% | RUBIK | 5 | Inventor of a puzzle cube |
| 67% | RUBIK | 5 | Namesake inventor of a colorful puzzle cube |
| 67% | RUBIK | 5 | Erno ___, inventor of a popular puzzle cube |
| 56% | MORSE | 5 | Inventor of a "code" |
| 56% | EPEE | 4 | Inventor of a sign language |
| 56% | BUNSEN | 6 | Inventor of a lab burner |
| 55% | RUBIK | 5 | Inventor of a six-color puzzle |
| 55% | DIESEL | 6 | Inventor of a compression-ignition engine |
| 55% | DAVY | 4 | Inventor of a miner's light |
| 55% | EDISON | 6 | Inventor of a vote-recording machine |
| 55% | MOHS | 4 | Inventor of a mineral hardness scale |
| 55% | PASCAL | 6 | Inventor of a 17th-century calculator |
| 55% | PETRI | 5 | Inventor of a lidded glass dish |
| 55% | DEWEY | 5 | Inventor of a library classification system |
| 54% | RUBIK | 5 | Erno ___, inventor of the world-famous puzzle with a cube of six colors originally called the Magic Cube |
| 54% | RUBIK | 5 | Erno —, Budapest-born inventor of a famous cube puzzle |
| 54% | OTIS | 4 | Inventor of a braking system for cars |
| 54% | OTIS | 4 | Inventor of a vertical-use steam engine |
| 53% | RUBIK | 5 | Inventor of the Cube |
| 52% | ERNORUBIK | 9 | Inventor of a colorful puzzle in a cubic shape |
| 52% | RUBIK | 5 | Creator of a puzzling cube |
| 52% | LIAR | 4 | Inventor, of a sort |
| 51% | REAUMUR | 7 | 18th-century French inventor of a temperature scale |
| 51% | JEANNE | 6 | __ L Crews; NASA inventor of a space bumper |
| 51% | ERNO | 4 | With 30 Down, inventor of a twistable toy |
| 50% | COLT | 4 | Samuel —, 19th-century inventor of a type of revolver |
| 50% | ERNO | 4 | Inventor of the Rubik's cube, "___Rubik" |
| 50% | WHITNEY | 7 | Eli —, US inventor of a modern mechanical cotton gin |
| 49% | MOOR | 4 | Emánuel —, Hungarian composer and inventor of a two-keyboard piano |