The Patent Public Search tool is a new web-based patent search application that will replace internal legacy search tools PubEAST and PubWEST. Maryland Cottage Food Business.No, it is generally not possible for someone to patent the process of making bread. The main reasons are: 1. Food processing is the treatment of a food substance to change its properties to preserve it, improving its quality, or making it functionally more useful. Yes, you can patent a food preservation method. A food preservation method is a process for preserving food and patentable as a utility patent. Starting to Draft Claims First, include a claim that defines your invention in broad terms, leaving out any and all unnecessary options. You can fill out the paperwork online without an attorney if you wish. Search within the title, abstract, claims, or full patent document: You can restrict your search to a specific field using field names.