Where to query and download patent full texts?

For a research project, I need to download full-text (title, abstract, description, claims), date, and citations, for patents published in a given period (say from 2010 on) and in a given class. The text must be easy to use (i.e. no pdfs). I’m looking for something free for research.
So far, I have found the full texts published weekly by the USPTO and the PatentsView web search and API. However, in the first case data need to be downloaded manually for each week (I have not found a way to download multiple files at once) and in the second case I should be able to obtain the text and abstract, but not the claim and the description.
Do you have any tool to recommend or a way to solve the problems with the ones above?