Mechanics, NPL-databases

Here is a list of the databases in Mechanics that PRV has access to, regarding Non Patent Literature (NPL).


  • Search engine targeting scientific open access to journals of all disciplines.
  • From Universitätsbibliothek Bielefeld.

COMPENDEX Computerized engineering index

  • Covers most engineering disciplines.
  • Article abstracts for approximately 4500 journals.
  • Contains references from books, conference papers, reports and other literature.
  • Coverage from 1970.
  • Updated weekly.

DOAJ Directory of open access journals

  • Almost 10.000 open access journals gathered by Lunds University. 50% searchable on article level.

German Automotive Collection

  • Contains journals such as ATZ – Automobiltechnische Zeitschrift and MTZ – Motortechnische Zeitschrift.
  • Springer Verlag.
  • From 1998.

IEEE Xplore

  • Database containing more than 1 million articles, conference papers and standards.
  • Bell Labs Conference Proceedings and VDE VERLAG Conference Proceedings.
  • Published by IEEE/IEE.
  • Constantly updated.

J-STAGE Japan Science and Technology Information Aggregator, Electronic

  • Access to around 2400 Japanese journals from various universities.

NPL Non-Patent Literature

  • Contains EPO cited or classified bibliographic NPL data.
  • Includes article abstracts, journal articles, book articles, conference proceedings, database citations, and Internet.
  • From 1989.
  • Updated daily.

SAE Technical Papers

  • Contains more than 102.000 peer-reviewed technical papers from the automotive, aerospace and commercial vehicle industries.

SciELO Scientific Electronic Library Online

  • Contains scientific open access journals, primarily from Latin America.

Science Direct Freedom Collection

  • Approx 2100 scientific journals from various disciplines.
  • Updated continuously – even before printed versions are issued.
  • From Elsevier.

SciTech Connect

  • Consists of 2,5 millions references including 300.000 full text journals within the fields of chemistry, physics and environmental science.
  • From the U.S. department of energy.
  • Coverage from 1943.


  • A scientific database containing abstracts from journals, conferences, patents and industry publications.
  • Contains över 40 millions references dating from 1823 and onwards.
  • From Elsevier.
  • Updated daily.


  • Contains over 2100 journals.
  • Some journals are Open Access.
  • Coverage from 1924.
  • Published by Springer Verlag.


  • Theses, conference papers and journal articles.
  • Published by some 40 Swedish Universities, Research Institutes and Governmental Agencies.

Techniques de L’ingenieur

  • Free online articles from various technical fields.
  • In French.

Wiley Journals

  • Subscription includes “Kirk-Othmer Encyclopedia of Chemical Technology” and “Ullman’s Encyclopedia of Industrial Chemistry”.
  • Approx. 1400 scientific journals, mostly technology, medicine and science.
  • Published by John Wiley & Sons.
  • Contains all Wiley journals since 1997.

XPESP Full-text ELSEVIER Publications

  • XPESP/Science Direct, Elsevier Publishing Group.
  • Full text articles published since 1994.
  • The technical fields consists of electrical physics, mechanics and chemistry.
  • Updated bi-weekly.

XPIPCOM Ip com Prior Art

  • Full-text database
  • Contains disclosure publications from companies such as IBM, Siemens, Microsoft, Motorola, and Sony.
  • Includes disclosures from the US National Institute of Standards and Technology the US Patent and Trademark Office and the Internet Society.
  • The historical coverage varies according to the specific datasource.

XPOAC Open Access Central Journal Articles

  • Open access to peer-reviewed biomedical and chemical journals.
  • Includes peer reviewed research articles in all areas of physics and mathematics.
  • Coverage from 1997.

XPRD Research Disclosure

  • Disclosure of inventions published in full text.
  • All records are full text searchable and include the complete disclosure image.
  • Covers all areas of science and technology.
  • Coverage from 1960.
  • Updated monthly.


  • Springer Journal Articles.