Even if we look only at the time of the Industrial Revolution, there are many inventions that have improved American life.
For example, the invention of the telephone greatly improved American life. Once the telephone became widespread, communications between people became much easier. Businesses could run more efficiently and people could stay in touch with one another more easily.
Similarly, the invention of an effective light bulb was extremely important. Light bulbs greatly reduced the risk of fire in homes and allowed people to continue doing things at home well into the evening. They also made it much easier to have factories that could continue to work past dark.
These are just two of the many inventions that improved American life during the time you are discussing.