As we celebrate Women in Construction and Manufacturing Week, we invite you to learn more about the history and impact of these trailblazing inventors.
Throughout history, women have played a crucial role in shaping the world of manufacturing and industrial innovation. While Thomas Edison is often celebrated as one of the greatest inventors of all time, several women earned the nickname “Lady Edison” for their groundbreaking contributions to industry. Their inventions changed the way products were made, revolutionized factories, and paved the way for future generations of women in manufacturing.
Margaret E. Knight (1838–1914)
Known as one of the earliest female inventors in industrial manufacturing, Margaret Knight developed a machine that created flat-bottomed paper bags, an innovation still used today. Her design was so valuable that a man attempted to steal her idea, but she successfully defended her patent in court—an extraordinary achievement for a woman in the 19th century. She held over 25 patents, many of which improved machinery and manufacturing processes.
Beulah Louise Henry (1887–1973)
Often called the “Lady Edison”, Beulah Henry was a prolific inventor with 49 patents and over 100 inventions. Her innovations improved typewriters, sewing machines, and factory production lines, increasing efficiency in mass manufacturing. Her ability to reimagine industrial machinery made her a key figure in the early 20th-century manufacturing boom.
Josephine Cochrane (1839–1913)
Frustrated with how dishes were washed, Josephine Cochrane invented the first commercially successful automatic dishwasher in 1886. Her creation revolutionized industrial kitchens, hotels, and later, home appliances. She later founded KitchenAid, a company that remains a household name today.
Sarah Breedlove (Madam C.J. Walker) (1867–1919)
Sarah Breedlove, better known as Madam C.J. Walker, was a pioneer in the manufacturing of hair care products for Black women. She built a factory to mass-produce her products and became one of the first self-made female millionaires in America, proving that manufacturing success wasn’t limited to traditional industrial settings.
Tabitha Babbitt (1779–1853)
A Shaker woman and skilled toolmaker, Tabitha Babbitt is credited with the invention of the circular saw, which greatly improved the efficiency of sawmills. Though she never patented her invention, her design became an essential tool in woodworking and industrial manufacturing.
These remarkable women defied societal expectations and helped shape the manufacturing industry as we know it. Their contributions continue to inspire women in construction and fabrication today. At John W. McDougall Co., we recognize and celebrate the achievements of women in manufacturing—past, present, and future.