Carvel created the first commercially successful soft-serve machine, according to the company’s history.
Carvel’s founder, Tom Carvel, began selling soft ice cream after a flat tire caused his ice-cream truck to stop near Hartsdale, New York, in 1934. He sold the partially melted ice cream and realized that a softer product could be popular. He subsequently developed equipment and methods for dispensing soft serve.
Carvel opened its first permanent store in 1936 and later became closely associated with soft-serve ice cream, molded cakes, and its distinctive advertising. The company’s history describes Tom Carvel’s machine as the first successful soft-serve ice-cream machine.
Soft serve differs from hard-frozen ice cream because it is dispensed at a higher temperature and commonly contains more incorporated air. Other chains also developed influential machines, so “first” claims can depend on whether invention, patenting, or commercial success is being measured.