| Patents | Technical Reports | Standards |

• Derwent Innovations Index
  Database of international patents from 41 authorities, 1963 to the present
• U.S. Patent Search
  Search patents from 1790 - today and applications since 2001
• Espacenet
  International and U.S. patents
• Google Patent Search (Beta site)
  Search the full-text of U.S. patents.
• PAIR: Patent Application Information Retrieval (application status)

• 7-Step Search Strategy (USPTO)
• Searching tutorial from the USPTO (Video, 36 minutes)
• How to read a patent
• Anatomy of a U.S. patent
• General information on U.S. patents
• Tutorials (Queens University)

• U.S. Patent Classification (USPC)
• International Patent Classification (IPC)
• European Classification (ECLA)

• ADS-Astrophysics Data System
• arXiv (Physics, Mathematics, Computer Science)
• CERN Document Server (Physics)
• CiteSeer^x (Computer Science)
• Columbia Collection of U.S. Technical Reports (On microfiche)
• Columbia University Computer Science Department Technical Reports
• Columbia University Electrical Engineering Department Technical Reports
• CONTRAILS (Aerospace)
• DBLP Computer Science Bibliography
• DTIC - Defense Technical Information Center
  Metasearch of multiple U.S. government reports
• HP Labs (IT)
• IBM Research Reports (IT)
• INIS - International Nuclear Information System
• INSPIRE (High-Energy Physics)
• NTRS-NASA Technical Reports Server (Aerospace)
• NSCEP - National Service Center for Environmental Publications
• NTRL: National Technical Reports Library
  U.S. government reports
• RAND (Multidisciplinary)
• Science Accelerator (Energy)
• TRID (Transportation)
• TRAIL
  U.S. technical reports issued before 1975
• Virtual Technical Reports Center

• AASHTO LRFD bridge design specifications (book)
• AASHTO guide specifications for LRFD seismic bridge design (book)
  
• American Concrete Institute (ACI) Manual of Concrete Practice (book)
• ANSI: American National Standards Institute
• ASME Boiler and Pressure Code, Section II
  
• ASTM (American Society for Testing and Materials) International
  Full-text available through CUL
• ASSIST
  Military standards and specifications; must register to use
• CEN - European Committee for Standardization
• Code of Federal Regulations (U.S.)
• European Telecommunications Standards Institute (ETSI)
• IEEE Standards
  Full-text available through CUL
  
• IEC - International Electrotechnical Commission
• Internet Society
• ISO Catalogue
  International Organization for Standardization
• ITU - International Telecommunication Union
• NASA
  Standards And Technical Assistance Resource Tool (START)
• NISO - National Information Standards Organization
• NIST - National Institute of Standards & Technology
• NSSN: Search Engine for Standards
• Underwriters Laboratory (UL)
• List of Society Standards (Georgia Tech)
• More . . .

• Standards 101 (From ASTM)
• Case Studies (From ANSI)
• An Introduction to Standards (Video - 34 minutes)
• ASME Codes & Standards
  Examples of Use for Students

• IHS Standards Store
• ILI Standards Infobase
• TechStreet: Technical Information Superstore

For assistance in obtaining documents, email us at engineering@libraries.cul.columbia.edu