Canva
1 / 10Vacuum: 8 years
In 1907, James Spangler came up with the idea of using a portable electric vacuum cleaner while working as a janitor for an Ohio department store. The concept came to him because the carpet sweeper he used on the job aggravated his asthma. His idea is now practically ubiquitous in homes around the world—whether carpeted or not. When a vacuum cleaner needs to be repaired, it is often due to a clogged hose and filter or the drive belt may need replacing.







