USPTO is a patent full-text database with more than  6 000 000 records.

Regional Business News provides full text for more than 80 regional US and Canadian business publication.

INIS (International Nuclear Information System) open access database coordinated by International Atomic Energy Agency in cooperation with 113 member countries and 19 international organizations. INIS database covers a broad range of subjects in areas on nuclear science and technology.

Provides a search solely on the scholarly literature across many disciplines and sources, including theses, books, abstracts and articles.

Offers a broad range of full text and bibliographic research databases which includes Academic Search Complete , Business Source Complete, SocINDEX, CINAHL, ERIC, MEDLINE, Library, Information Science & Technology Abstracts, GreenFILE etc. 

FSTA (Food Science and Technology Abstracts) brings  information on food science, food technology and nutrition, biotechnology, microbiology, food safety, additives, nutrition, packaging and pet foods. The database includes material from over 4600 serial publications published in up to 40 languages.

Evidence-Based Medicine Reviews (EBMR)  is database aimed to practicing clinicians--physicians, nurses, pharmacists, and allied health professionals--as well as the medical librarians and professional researchers.
EBMR  two leading evidence-based medicine sources:: 

• The Cochrane Database of Systemic Reviews, published by the Cochrane Collaboration, international not-for-profit organisation committed to preparing, maintaining, and disseminating systematic reviews of the effects of health care.
• Best Evidence containing The ACP Journal Club and Evidence-Based Medicine from the ACP and the British Medical Journal Publishing Group.

Esp@cenet is non-commercial patent database developed by the European Patent Office (EPO).

ERIC is digital library of education literature, very popular on USA, intended for researchers, teachers, librarians, students, and parents as well.

Collection combine data from two print sources:  

• Resources in Education (RIE)
• Current Index to Journals in Education (CIJE)

ERIC provides  access to more than 1.3 million bibliographic records, with thousands of records added every year.
More than 2000 journals are included in the database.

EmeraldInsight provides online access to journals published by Emerald Publishing (MCB University Press), scholarly publisher of journals and books in business, management, society, library and information science,  public policy and education, as well as engineering, applied science and technology.