Patent Information

Magnetic material and processing development is proceeding at a rapid pace even though (perhaps because) a major "new" magnetic material has not been announced recently. Information on patents is essential to understanding the current state of development.

Arnold companies are actively engaged in research and development wich result in patents listed here. 

Other magnetics Industry patents are available from the sources listed below.

Industry Patent Resources:

Full copies of U.S. patents and patent searches are available from the U.S. Patent and Trademark Office, Washington, DC 20231 (www.uspto.gov). Dates covered are 1976 to the present. Other sources for patent information are:

• European Patent search and download: http://ep.espacenet.com
• Patent & Trademark information at the Boston Public Library: www.bpl.org
• Braindex access to patents from around the world: www.braindex.com
• US patents in PDF format from Pat2PDF.org: www.pat2pdf.org
• Google Patent Search and Download www.google.com/patents
• The British Library Patent Information Network at www.bl.uk/collections/patents.html
• Canada Business, source of information on Canadian Patents: Canada Business
• FreePatentsOnLine (www.freepatentsonline.com). Search and browse patents and patent applications.

Other patent services available:

• The Delphion Intellectual Property Database is a for-fee service at (www.delphion.com). Dates covered are 1972 to the present with some information on earlier patents. Foreign patent searches are available.
  MicroPatent USA is a for-fee source for online patent and trademark information (www.micropat.com)
• US Patent Search is a free service that offers patents in TIF format: http://www.us-patent-search.com.
• WikiPatents: The WikiPatents Community contributes to the US patent system by reviewing issued patents and pending patent applications. WikiPatents features a wiki-like interface to review, rate, and discuss patents -- plus free patent PDF downloads, file histories, and advanced patent searching. www.wikipatents.com.
• A listing of patent offices for many countries will be available at www.patents.com