API EnCompass Patent Database
Database Producer
Elsevier Engineering Information, Inc.
The EnCompass Patent File covers worldwide patents relating to the petroleum, petrochemical, natural gas, and energy industries, including those on alternate energy sources and environmental effects of energy. EnCompPat is available only to EnCom-pass supporters. Access to EnComp-Pat2 by non-subscribers is restricted to two hours per year per organization of combined usage with EnCompLit2 on all vendors.
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Database Summary Sheet: Concise description with all fields, all formats, many examples.

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In addition to the STN General Terms & Conditions, please find the file-specific Usage Terms here.