Henry's first patented invention was an umbrella bag. This marked the beginning of her career as an inventor and demonstrated her early ability to identify and solve practical problems with innovative solutions.

This period was incredibly productive for Henry. She developed and patented numerous inventions, including the 'Bobbin-Free' sewing machine, a protograph (a writing machine), and improvements to typewriters. These inventions reflect her diverse interests and technical skills.

Henry continued to invent throughout her life, focusing on refining existing technologies and exploring new possibilities. Her work during this period showed a sustained commitment to innovation and a willingness to adapt to changing technological landscapes.

Beulah Louise Henry's impressive body of work includes over 110 inventions, with 49 officially patented. This prolific output solidified her legacy as a highly innovative and resourceful inventor.