The process wasn't named canning then and Appert did probably not know the principle on which his process worked, but canning has experienced A serious impact on food preservation methods. Called the “atmospheric steam motor,” Newcomen’s creation was originally applied to electric power the equipment used to pump drinking water https://techskincare.co.uk/industrial-food-technology-revolutionising-the-industry-with-uht-and-process-systems-by-armfield/