Guide from the University of Pennsylvania's Science and Engineering Library.

Guide from the University of Illinois Law Library

Search both issued patents and published applications

With patent number, retrieve Adobe PDF version of U.S. patents (easier than using USPTO).

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Search international patent applications.

Standards vendor. They allow you to search for free, but you have to pay for full-text access.

The ISO 14000 family addresses various aspects of environmental management. It provides practical tools for companies and organizations looking to identify and control their environmental impact and constantly improve their environmental performance. ISO 14001:2004 and ISO 14004:2004 focus on environmental management systems. The other standards in the family focus on specific environmental aspects such as life cycle analysis, communication and auditing.

ISO 26000 provides guidance on how businesses and organizations can operate in a socially responsible way. This means acting in an ethical and transparent way that contributes to the health and welfare of society.

The ISO 9000 family addresses various aspects of quality management and contains some of ISO's best known standards. The standards provide guidance and tools for companies and organizations who want to ensure that their products and services consistently meet customer’s requirements, and that quality is consistently improved.

Publicly accessible standards organizations around the world.

This compendium describes the sampling and analytical methods used in the Lake Michigan Mass Budget/Mass Balance (LMMB) Study.

A free, web-based, searchable compendium of environmental methods. NEMI is maintained under the direction of the Methods and Data Comparability Board, a partnership of water-quality experts from Federal agencies, States, municipalities, industry, and private organizations.