Someone asked my if I could provide this information for two specific SIC codes. So what I did was provide the information by SIC. Here is another version of the research and development information. In this version you get a list by SIC of research and development expenses, total assets, and the percentage of the two; plus you can drill down into the SIC code to see a list of the SEC filings which make up the list.
Also, I aggregated these demos here. Keep watching, I may add some more.