The article brings on the first plan ten women that had the courage and the tenacity to publish – through a patent – the inventions. Of course the number of women that changed the world is much larger, but the study stopped on those that lived at the end of XIXth century and the beginning of the XXth century. Lets not forget in that historical period in the USA begin the first movements sustaining the women right. Thats why these examples come from USA. It is certain that the creativity technic of the women must not be neglected, but appreciated and pinpointed.