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:
Sep. 13, 2005
Filed:
Sep. 25, 2003
Applicants:
Robert B. Hosler, Sarver, PA (US);
Xiangwen Wang, Export, PA (US);
Jay N. Bruggeman, Harrison City, PA (US);
Patrick J. O'connor, New Kensington, PA (US);
Inventors:
Robert B. Hosler, Sarver, PA (US);
Xiangwen Wang, Export, PA (US);
Jay N. Bruggeman, Harrison City, PA (US);
Patrick J. O'Connor, New Kensington, PA (US);
Assignee:
Alcoa Inc., Pittsburgh, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
G01K007/02 ; G01K001/08 ; G01N001/00 ;
U.S. Cl.
CPC ...
Abstract
A method and apparatus for accurately measuring superheat, bath ratio and alumina concentration in an aluminum smelting bath. In one embodiment, a reusable probe determines the bath temperature and bath sample superheat. In other embodiments, the probe also determines bath composition including bath cryolite ratio and alumina concentration.