他是吸尘器的发明者。

He was the ___inventor of the vacuum cleaner.

托马斯·阿尔瓦·爱迪生可能是有史以来最伟大的发明家，拥有1093项专利。

Thomas Alva Edison is probably the greatest ___inventor of all time with 1093 patents.

作为一名发明家，她创造了许多有用的设备。

As an ___inventor, she created many useful devices.