Over 23,000 diagrams from the American Ceramic Society
There are many sources for searching patents. While they include similar content, the search options,features, and sometimes search results often differ.
(To decipher the parts of a patent, refer to How to Read a US Patent from Queens University.)
Use the Library's free Interlibrary Loan service to request books, journal articles etc.
Work through solved problems using Schaum's Study Guides.