The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 02, 2009
Filed:
Nov. 16, 2004
Dual-phase hard material comprising tungsten carbide, process for the production thereof and its use
Christian Gerk, Wallemoden, DE;
Klaus-dieter Wernicke, Säckingen, DE;
Christian Gerk, Wallemoden, DE;
Klaus-Dieter Wernicke, Säckingen, DE;
H.C. Starck GmbH, , DE;
Abstract
The invention relates to tungsten carbide powder consisting of powder particles, which have a core comprised of tungsten cast carbide and a covering comprised of tungsten monocarbide, to the production thereof by heating a tungsten cast carbide powder in the presence of a carbon source to a temperature ranging from 1300 to 2000° C., and to the use thereof for coating surfaces of parts subjected to wear and for producing drill bits.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile