In 1927 Rohwedder successfully designed a machine that not only sliced the bread but wrapped it. He applied for patents to protect his invention.No, it is generally not possible for someone to patent the process of making bread. The main reasons are: 1. This page provides information on the types of patents and types of patent applications, and the examination process. This article examines how the patent system applies to inventions related to food including drinks, plants, food processing, and even the appearance of food. Search within the title, abstract, claims, or full patent document: You can restrict your search to a specific field using field names. Before you start a home-based food business in California, learn about cottage food laws, permit requirements, and other legal issues. Riverside Law has vast experience in patent application drafting and patent prosecution in a wide range of technology areas. A design patent can offer protection for the visual components of a culinary creation.