Standards are written descriptions of the criteria for a specific product, process, test, or procedure that is agreed to by formal processes. Here lists several sites of standard databases.
American National Standards Institute (ANSI)
ANSI delivers enterprise-wide, electronic access to the most standards collections. Entire document collections are available via the ANSI Online Electronic Standards Store (ESS). Thousands of standards are ready for immediate download with a fee.
American Society for Testing and Materials (ASTM)
Provides index to more than 10,000 ASTM standards. The full texts are available to the public for a fee.
NSSN: A National Resource for Global Standards
Serves as a central point to search for standards information from many sources and serves as an important gateway connecting those who seek standards to those that supply them. The site contains information from more than 600 national, foreign, regional and international bodies.
Standards and Specifications written by Scholarly Societies
Provides by the University of Waterloo, the site links to standards-developing societies and associations from around the world.
General Information Concerning Patents
This online brochure was prepared by USPTO. It provides FAQ for US patent information. This site is extremely useful for a new user to get familiar with patent.
USPTO Web Patent Database
A freely searchable database (full-text since 1976, full-page images since 1790). 1790-1976 is only searchable by patent numbers and current US Classifications. Images are available as tiff files, one page at a time.
European Patent Office Home Page
From this site you can get access to the European Patent Office's search engine: esp@cenet. It is a free Internet service from the European Patent Organization. You can use it to search 45 million patent documents from all over the world from 1836 to today.
World Intellectual Property Organization PCT Database
Search or browse World Patent bibliographic data, abstract and drawing of published PCT applications. Abstracts in English, with full patent image in the language of the inventor's country.
Japanese Patent Databases
One can conduct search in English in the following areas: FI/F-term Search, Patent Abstracts of Japan, Patent Map Guidance and Laws and Guidelines.
Google Patent Search
Google Patent Search covers the entire collection of patents made available by the USPTO patents issued in the 1790s through those issued in the middle of 2006. Currently it does not include patent applications, international patents, or U.S. patents issued over the last few months. One can either do a general search or use the Advanced Patent Search feature.