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:
Mar. 25, 1997
Filed:
Apr. 20, 1995
Applicant:
Inventors:
Theodore W Selby, Midland, MI (US);
William A Atkins, Bay City, MI (US);
Assignee:
Tannas Co., Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01L / ;
U.S. Cl.
CPC ...
422 99 ; 422104 ;
Abstract
Temperature control chimney has a hollow cylindrical housing, which is immersible in a liquid of a bath tub, having means for positioning in the tub, and top and bottom openings in the housing useful for permitting uniform liquid current flow. Preferably, it has means for holding at least one sample within the housing. The invention can be used to improve sample preparation, for an illustrative example, in sensitive viscosity testing.