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:
Nov. 25, 2008
Filed:
Jun. 30, 2004
Applicants:
James Grayson, Gurdon, AR (US);
Chris T. Vild, Cleveland Hts., OH (US);
Inventors:
James Grayson, Gurdon, AR (US);
Chris T. Vild, Cleveland Hts., OH (US);
Assignee:
Pyrotek, Inc., Spokane, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gas injection tube includes a first end adapted to connect to a reactive gas source and a second end. A tube base attaches to the second end of the gas injection tube. The gas injection tube includes a passageway and the tube base includes a channel. The passageway communicates with the channel to provide gas to a molten metal stream traveling through the channel.